Home Decisions Meetings News
← Main Dashboard

Emerging Planning Patterns

Summary: This dashboard provides automated tracking of emerging trends within the London Borough of Hillingdon's planning database, identifying phrases and development types that are appearing significantly more often than they have historically.


The system operates by comparing the vocabulary used in applications from the last six months against a historical baseline dating back to May 2022. Using frequency analysis, it calculates a 'Spike Score' for unique phrases, with mathematical smoothing applied to brand-new terms to provide realistic comparisons. This multi-year baseline allows us to distinguish between standard cyclical development and genuine new arrivals in the planning landscape.

To ensure results are meaningful, the logic filters out administrative planning jargon and merges synonyms, requiring a pattern to appear in at least three unique applications before it is surfaced as a noteworthy trend. This rigorous filtering ensures that only genuine shifts in activity are presented.

By surfacing these patterns, the tool provides a neutral overview of coordinated rollouts—such as telecommunications hubs—and shifts in residential trends like specific types of garage conversions or environmental upgrades. This analysis focuses purely on statistical deviations from normal activity, allowing residents and stakeholders to observe trends as they develop. This ensures that high-frequency planning shifts remain visible even when they are spread across multiple different wards, helping to provide a borough-wide perspective on how Hillingdon is changing.

Pattern: “innovation”

Frequency: 200× higher than normal
Hayes Bridge Retail Park and Heathrow Interchange UXBRIDGE ROAD HAYES UB4 0RH
WOOD END 2022 Validated: 11th Aug
Undecided
Details pursuant to the discharge of Condition 16 (Phase 1: LON6 - Construction Environmental Management and Logistics Plan) and 46 (Phase 2: Innovation Hub - Construction Environmental Management and Logistics Plan) of planning permission ref. 78343/APP/2025/719, dated 20.05.2026 (Hybrid planning application for a four-phased redevelopment to deliver a data centre campus comprising of: Phase 1 - Full planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) site access and internal roads including a vehicular and pedestrian link between Uxbridge Road and Bullsbrook Road; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development; Phase 2 - Outline planning permission for (a) an Innovation Hub; (b) hard and soft, green and blue, infrastructure; and (c) other ancillary and auxiliary forms of development (all matters reserved); Phase 3 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved); and Phase 4 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved).)
Hayes Bridge Retail Park and Heathrow Interchange UXBRIDGE ROAD HAYES UB4 0RH
WOOD END 2022 Validated: 30th Jul
Approval
Details pursuant to the discharge of Condition 20 (Phase 1: LON6 - Water Infrastructure Details) and 50 (Phase 2: Innovation Hub - Water Infrastructure Details) of planning permission ref. 78343/APP/2025/719, dated 20.05.2026 (Hybrid planning application for a four-phased redevelopment to deliver a data centre campus comprising of: Phase 1 - Full planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) site access and internal roads including a vehicular and pedestrian link between Uxbridge Road and Bullsbrook Road; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development; Phase 2 - Outline planning permission for (a) an Innovation Hub; (b) hard and soft, green and blue, infrastructure; and (c) other ancillary and auxiliary forms of development (all matters reserved); Phase 3 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved); and Phase 4 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved).)
Hayes Bridge Retail Park and Heathrow Interchange UXBRIDGE ROAD HAYES UB4 0RH
WOOD END 2022 Validated: 30th Jul
Undecided
Details pursuant to the discharge of Conditions 21 (Phase 1: LON6 - District Heating Network) and 51 (Phase 2: Innovation Hub - District Heating Network) of planning permission ref. 78343/APP/2025/719, dated 20.05.2026 (Hybrid planning application for a four-phased redevelopment to deliver a data centre campus comprising of: Phase 1 - Full planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) site access and internal roads including a vehicular and pedestrian link between Uxbridge Road and Bullsbrook Road; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development; Phase 2 - Outline planning permission for (a) an Innovation Hub; (b) hard and soft, green and blue, infrastructure; and (c) other ancillary and auxiliary forms of development (all matters reserved); Phase 3 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved); and Phase 4 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved).)
View all 5 applications for this pattern →

Pattern: “casement windows”

Frequency: 62× higher than normal
115-120 TOLLGATE DRIVE HAYES UB4 0NW
BELMORE 2022 Validated: 8th Sep
Undecided
External alterations comprising the replacement of existing single glazed timber casement windows with double glazed uPVC casement windows of a matching style, replacement of the rainwater goods, redecoration of the bargeboards and external rendered surfaces, and cleaning of the existing fascia and soffits.
112-114 TOLLGATE DRIVE HAYES UB4 0NW
BELMORE 2022 Validated: 17th Aug
Approval
External alterations comprising the replacement of existing single glazed timber casement windows with double glazed uPVC casement windows of a matching style, replacement of the rainwater goods, redecoration of the bargeboards and external rendered surfaces, and cleaning of the existing fascia and soffits.
47-52 TOLLGATE DRIVE HAYES UB4 0NP
BELMORE 2022 Validated: 17th Aug
Approval
External alterations comprising the replacement of existing single glazed timber casement windows with double glazed uPVC casement windows of a matching style, replacement of the rainwater goods, redecoration of the bargeboards and external rendered surfaces, and cleaning of the existing fascia and soffits.

Pattern: “illuminated led”

Frequency: 41× higher than normal
FLORA FOUNTAIN 283 HIGH STREET UXBRIDGE
UXBRIDGE 2022 Validated: 9th Oct
Undecided
Alterations to shopfront including relocation of entrance doorway with ramp, installation of wall tiles, installation of 2 no. internally illuminated fascia signs, 1 no. internally illuminated projecting sign, 1no. internally illuminated LED screen, and 1no. frosted window vinyl. (Associated with Application ref. 14767/ADV/2026/49)
FLORA FOUNTAIN 283 HIGH STREET UXBRIDGE
UXBRIDGE 2022 Validated: 9th Oct
Undecided
Installation of 2 no. internally illuminated fascia signs, 1 no. internally illuminated projecting sign, 1no. internally illuminated LED screen, and 1no. frosted window vinyl. (Associated with Application ref. 14767/APP/2026/2261)
THE 3 STEPS PH HIGH STREET COWLEY UB8 2DX
UXBRIDGE 2022 Validated: 1st Oct
Undecided
Installation of 1no. internally illuminated LED fascia sign to the front elevation.
View all 4 applications for this pattern →

Pattern: “wooden storage”

Frequency: 41× higher than normal
DENVILLE HALL DUCKS HILL ROAD NORTHWOOD
NORTHWOOD 2022 Validated: 1st Sep
Approval
Details pursuant to the discharge of Condition 6 (Demolition and Construction Management and Logistics Plan) and Condition 8 (Low Emission Strategy) of planning permission ref. 924/APP/2022/3603, dated 24-11-2023 (Demolition of no. 48 and no. 60 Ducks Hill Road, garage and wooden storage unit and the erection of three new buildings comprising of 12 assisted-living units (Class C2), proposed ancillary communal space, including cafe and restaurant, external connecting link building, landscaping and external works.)
DENVILLE HALL DUCKS HILL ROAD NORTHWOOD
NORTHWOOD 2022 Validated: 19th Aug
Undecided
Variation of Condition 23 (Drainage Strategy) of planning permission ref. 924/APP/2022/3603, dated 24-11-2023 (Demolition of no. 48 and no. 60 Ducks Hill Road, garage and wooden storage unit and the erection of three new buildings comprising of 12 assisted-living units (Class C2), proposed ancillary communal space, including cafe and restaurant, external connecting link building, landscaping and external works.) The variation relates solely to an amendment to the trigger point for the submission of the drainage strategy details required by Condition 23.
DENVILLE HALL DUCKS HILL ROAD NORTHWOOD
NORTHWOOD 2022 Validated: 18th Aug
Approval
Details pursuant to the discharge of Conditions 9 (Bat Mitigation Plan) and partial discharge of condition 13 (Contamination Verification Report) of planning permission ref. 924/APP/2022/3603, dated 24-11-2023 (Demolition of no. 48 and no. 60 Ducks Hill Road, garage and wooden storage unit and the erection of three new buildings comprising of 12 assisted-living units (Class C2), proposed ancillary communal space, including cafe and restaurant, external connecting link building, landscaping and external works).
View all 4 applications for this pattern →

Pattern: “coming”

Frequency: 31× higher than normal
55 YORK ROAD NORTHWOOD
NORTHWOOD HILLS 2022 Validated: 15th Oct
Undecided
Confirmation of existing use of the upper floors (first floor and loft floor) as a small House in Multiple Occupation (Use Class C4), comprising five en-suite bedrooms sharing a communal kitchen. The lawful C4 use was established on 10 December 2025, prior to the Article 4 Direction coming into force on 11 December 2025. This application relates to the upper floors only (Application for a Certificate of Lawful Development for an Existing Development)
37 EDGAR ROAD YIEWSLEY UB7 8HN
YIEWSLEY 2022 Validated: 26th Aug
Undecided
The property is in use as a Class C4 House in Multiple Occupation (HMO) comprising six individual lettable rooms occupied by unrelated residents who share communal kitchen and circulation facilities. The use was fully established and actively occupied prior to the Article 4 Direction coming into force on 11 December 2025, as evidenced by statutory declarations, tenancy agreements, operational invoices, management statements, bank records and written confirmation from the Council's Planning Enforcement Officer following site inspections on 9 July 2025 and 1 September 2025.
55 YORK ROAD NORTHWOOD
NORTHWOOD HILLS 2022 Validated: 18th Jun
Refusal
Confirmation of existing use of first and loft floors as a House in Multiple Occupation (Use Class C4) prior to the borough wide Article 4 Direction coming into force on the 11 December 2025 (Application for a Certificate of Lawful Development for an Existing Use)

Pattern: “hard surfacing”

Frequency: 31× higher than normal
BATFORD PLAYSPACE VARCOE GARDENS HAYES UB3 2FF
WOOD END 2022 Validated: 9th Oct
Undecided
Details pursuant to the discharge of Condition 5 (Play Area Management and Maintenance Plan) of planning permission ref. 80054/APP/2026/1117, dated 09-07-2026 (Remodelling of park space including soft landscaping, hard surfacing, a fenced play area and other associated works.)
BATFORD PLAYSPACE VARCOE GARDENS HAYES UB3 2FF
WOOD END 2022 Validated: 29th Jul
Approval
Details pursuant to the discharge of Conditions 6 (Biodiversity Gain Plan), 7 (method statement) and 8 (details of surface water management) of planning permission ref. 80054/APP/2026/1117, dated 09-07-26 (Remodelling of park space including soft landscaping, hard surfacing, a fenced play area and other associated works.)
BATFORD PLAYSPACE VARCOE GARDENS HAYES UB3 2FF
WOOD END 2022 Validated: 6th May
Approval
Remodelling of park space including soft landscaping, hard surfacing, a fenced play area and other associated works.

Pattern: “featuring”

Frequency: 31× higher than normal
16 CRANBORNE WAYE HAYES MIDDLESEX UB4 0HW
BELMORE 2022 Validated: 7th Oct
Undecided
Proposed single-storey detached outbuilding in the rear garden, featuring a dual-pitched roof with integrated rooflights, for incidental residential use as a home gym and family entertainment.
146 NORTHWOOD ROAD HAREFIELD
HARE/D VILLAGES 2022 Validated: 17th Sep
Approval
Proposed single storey outbuilding featuring a mono pitched roof (Application for a Certificate of Lawful Development for a Proposed Development)
9 LAVENDER ROAD HILLINGDON
COLHAM & COWLEY Validated: 9th Jun
Approval
Erection of a single-storey wraparound side and rear extension featuring a flat roof, following the demolition of the existing sunroom, storage/ WC structures. Installation of front-facing parking spaces, and an associated new vehicle crossover.

Pattern: “part five”

Frequency: 31× higher than normal
WEIR HOUSE, 50 RIVERSIDE WAY UXBRIDGE
UXBRIDGE 2022 Validated: 2nd Oct
Undecided
Details pursuant to the partial discharge of Condition 10(b) (Construction Management Plan) of planning permission reference 43495/APP/2020/888 dated 26.01.2022 (Demolition of existing building and the erection of a part four and part five storey block providing 34 residential units (Use Class C3); associated access and other works including landscaping and amenity space, car and cycle parking and refuse storage) as amended under 43495/APP/2023/1669 dated 05.07.2023
WEIR HOUSE, 50 RIVERSIDE WAY UXBRIDGE
UXBRIDGE 2022 Validated: 23rd Sep
Undecided
Details pursuant to the discharge of Condition 19 (Fire Strategy Report) of planning permission reference 43495/APP/2020/888 dated 26.01.2022 (Demolition of existing building and the erection of a part four and part five storey block providing 34 residential units (Use Class C3); associated access and other works including landscaping and amenity space, car and cycle parking and refuse storage)
WEIR HOUSE, 50 RIVERSIDE WAY UXBRIDGE
UXBRIDGE 2022 Validated: 23rd Sep
Undecided
Details pursuant to the discharge of Condition 4 (Materials) of planning permission reference 43495/APP/2020/888 dated 26.01.2022 (Demolition of existing building and the erection of a part four and part five storey block providing 34 residential units (Use Class C3); associated access and other works including landscaping and amenity space, car and cycle parking and refuse storage)
View all 12 applications for this pattern →

Pattern: “kit”

Frequency: 31× higher than normal
55 YORK ROAD NORTHWOOD
NORTHWOOD HILLS 2022 Validated: 15th Oct
Undecided
Confirmation of existing use of the upper floors (first floor and loft floor) as a small House in Multiple Occupation (Use Class C4), comprising five en-suite bedrooms sharing a communal kitchen. The lawful C4 use was established on 10 December 2025, prior to the Article 4 Direction coming into force on 11 December 2025. This application relates to the upper floors only (Application for a Certificate of Lawful Development for an Existing Development)
1330 UXBRIDGE ROAD HAYES
CHARVILLE 2022 Validated: 11th Sep
Approval
Installation of fascia sign, 2x condensers to rear and 2x kitchen vents to the roof (amended description)
NATIONWIDE BUILDING SOCIETY 9 MAXWELL ROAD NORTHWOOD
NORTHWOOD 2022 Validated: 28th Aug
Approval
Installation of combined defibrillator and bleed kit cabinets to external wall of Nationwide Building Society branch.
View all 7 applications for this pattern →

Pattern: “certification”

Frequency: 31× higher than normal
29 POTTER STREET NORTHWOOD
NORTHWOOD HILLS 2022 Validated: 2nd Jul
Approval
Conversion of roof space to habitable use to include a rear dormer with Juliette balcony, 2 roof lights, conversion of roof from hip to gable end with new gable end window (Application for a Certification of Lawful Development for a Proposed Development)
72 HAREFIELD ROAD UXBRIDGE
UXBRIDGE 2022 Validated: 29th Jun
Approval
Details pursuant to the discharge of Conditions 7 (proposed privacy screening), 8 (Parking Design and Management Plan), 9 (provision of active electric vehicle charging points), 10 (cycle storage) & 13 (Certification of compliance with Part M4 (2)) of planning permission ref. 25767/APP/2024/2484, dated 07-04-25 (Demolition of existing dwelling and erection of building to provide 3 x 1-bed, 5 x 2-bed, 1 x 3 bed flats with associated parking and amenity space.)
10 WESTFIELD WAY RUISLIP
RUISLIP MANOR 2022 Validated: 18th Jun
Approval
Conversion of roof space to habitable use to include hip to gable extension, rear dormer, gable end window, 2x front roof lights, and an outbuilding to the rear garden (Application for a Certification of Lawful Development for a Proposed Development)

Pattern: “sloped”

Frequency: 27× higher than normal
19 EASTBURY ROAD NORTHWOOD
NORTHWOOD 2022 Validated: 18th Sep
Undecided
Single storey rear extension. Amendments to front and rear fenestration including relocation the front door. Addition of a dormer window to rear sloped roof to create habitable roofspace. Addition of solar panels to the rear sloped roof. Extension of raised patio.
5 DELAMERE ROAD HAYES
BELMORE 2022 Validated: 14th Sep
Undecided
Erection of an infill single-storey rear extension to the existing rear extension, and amendments to the rear extension from a sloped roof to a flat roof, following retention of the existing front porch.
90 BRIXHAM CRESCENT RUISLIP MIDDLESEX HA4 8TY
RUISLIP MANOR 2022 Validated: 12th Aug
Approval
Erection of a wrap around extension to the front, side and rear, with a sloped roof to the front, and a flat roof to the side and rear with 3 roof lights, and the erection of a single storey outbuilding to the rear garden.
View all 7 applications for this pattern →

Pattern: “development incorporating”

Frequency: 26× higher than normal
1-3 COLDHARBOUR LANE HAYES
HAYES TOWN 2022 Validated: 6th Oct
Undecided
Details pursuant to the discharge of Conditions 6 (materials) of planning permission ref. 55634/APP/2022/3372, dated 30-09-24 (Demolition of existing building and construction of new mixed use development incorporating 2 no. retail units and 9 no. new dwellings.)
1-3 COLDHARBOUR LANE HAYES
HAYES TOWN 2022 Validated: 6th Oct
Undecided
Details pursuant to the discharge of Conditions 7 (landscape scheme) of planning permission ref. 55634/APP/2022/3372, dated 30-09-24 (Demolition of existing building and construction of new mixed use development incorporating 2 no. retail units and 9 no. new dwellings.)
1-3 COLDHARBOUR LANE HAYES
HAYES TOWN 2022 Validated: 27th Jul
Refusal
Details pursuant to the discharge of Condition 6 (Materials) of planning permission ref. 55634/APP/2022/3372, dated 30-09-2024 (Demolition of existing building and construction of new mixed use development incorporating 2 no. retail units and 9 no. new dwellings).
View all 4 applications for this pattern →

Pattern: “combustible”

Frequency: 24× higher than normal
260 FIELD END ROAD RUISLIP
EASTCOTE 2022 Validated: 7th Sep
Approval
Replacing combustible external cladding materials (ACM & XPS spandrels), installing fire cavity barriers, breather membranes and other associated materials. No change to overall aesthetic appearance of the building (Application for a Certificate of Lawfulness).
BITTERN HOUSE 28 WRAYSBURY DRIVE YIEWSLEY UB7 7FH
YIEWSLEY 2022 Validated: 23rd Jul
Approval
External remediation works comprising the localised removal and reinstatement of brickwork and cladding, installation of cavity barriers and fire-stopping measures, and replacement of combustible materials with non-combustible alternatives, with external finishes reinstated on a like for like basis. (Application for a Certificate of Lawful Development for a Proposed Development)
BUSHY LODGE 5 PENNYROYAL DRIVE WEST DRAYTON
WEST DRAYTON 2022 Validated: 29th Jun
Approval
Replacement of existing combustible decking boards and decking joists with a non-combustible aluminium decking system (Application for a Certificate of Lawful Development for a Proposed Development)
View all 4 applications for this pattern →

Pattern: “lowered”

Frequency: 20× higher than normal
UNIT B Prologis Park STOCKLEY ROAD WEST DRAYTON UB7 9FN
PINKWELL 2022 Validated: 5th Oct
Approval
Details pursuant to the discharge of Conditions 4 (Biodiversity Gain Plan) of planning permission ref. 18399/APP/2026/586, dated 05-06-26 (Additional access into the site at the front, with widening of the existing access road with fencing; erection of a canopy and welfare unit to the front; lowered concrete yard area with 3 x dock doors and wheel guides; 1 x level loading door; installation of fencing and bollards, and an additional waste area)
UNIT B Prologis Park STOCKLEY ROAD WEST DRAYTON UB7 9FN
PINKWELL 2022 Validated: 21st Sep
Approval
Details pursuant to the partial discharge (part i) of Conditions 5 (Contamination) of planning permission ref. 18399/APP/2026/586, dated 05-06-26 (Additional access into the site at the front, with widening of the existing access road with fencing; erection of a canopy and welfare unit to the front; lowered concrete yard area with 3 x dock doors and wheel guides; 1 x level loading door; installation of fencing and bollards, and an additional waste area)
UNIT B Prologis Park STOCKLEY ROAD WEST DRAYTON UB7 9FN
PINKWELL 2022 Validated: 24th Jul
Refusal
Details pursuant to the discharge of Condition 5 (Contamination) of planning consent reference 18399/APP/2026/586 dated 05/05/26 (Additional access into the site at the front, with widening of the existing access road with fencing; erection of a canopy and welfare unit to the front; lowered concrete yard area with 3 x dock doors and wheel guides; 1 x level loading door; installation of fencing and bollards, and an additional waste area).
View all 4 applications for this pattern →

Pattern: “loading door”

Frequency: 20× higher than normal
UNIT B Prologis Park STOCKLEY ROAD WEST DRAYTON UB7 9FN
PINKWELL 2022 Validated: 5th Oct
Approval
Details pursuant to the discharge of Conditions 4 (Biodiversity Gain Plan) of planning permission ref. 18399/APP/2026/586, dated 05-06-26 (Additional access into the site at the front, with widening of the existing access road with fencing; erection of a canopy and welfare unit to the front; lowered concrete yard area with 3 x dock doors and wheel guides; 1 x level loading door; installation of fencing and bollards, and an additional waste area)
UNIT B Prologis Park STOCKLEY ROAD WEST DRAYTON UB7 9FN
PINKWELL 2022 Validated: 21st Sep
Approval
Details pursuant to the partial discharge (part i) of Conditions 5 (Contamination) of planning permission ref. 18399/APP/2026/586, dated 05-06-26 (Additional access into the site at the front, with widening of the existing access road with fencing; erection of a canopy and welfare unit to the front; lowered concrete yard area with 3 x dock doors and wheel guides; 1 x level loading door; installation of fencing and bollards, and an additional waste area)
UNIT 5 SWALLOWFIELD WAY HAYES
HAYES TOWN 2022 Validated: 2nd Sep
Approval
Details pursuant to the discharge of Condition 4 (Sustainable Water Management) of planning permission ref. 44104/APP/2026/1274, dated 31-07-26 (Alterations to service yard and car parking area to remove concrete ramps and create an enlarged Service Yard with associated external alterations to warehouse building, to include updated facades, new loading doors and associated works.)
View all 6 applications for this pattern →