All Applications

Erection of a single storey rear extension.

Erection of a single storey side, single storey rear extension with patio element, conversion of roof space to habitable use to include a rear dormer with Juliette balcony, 3no. front roof lights and change of roof form from hipped to gable end, following demolition of existing porch, car port and rear extension

Retention of existing veranda to the rear (Retrospective application)

Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.50 metres, and for which the height of the eaves would be 2.80 metres

Request for agreement of a Site Restoration Scheme of land between Hillingdon Outdoor Activity Centre and Harefield Lake no.2, in proximity to the Colne Valley Viaduct and its associated construction works, in accordance with Paragraph 5(1) of Schedule 16 to the High Speed Rail (London - West Midlands) Act 2017.

Details pursuant to the partial discharge of Condition 36 (Remediation Scheme for Contamination) (Parts ii and iii) for Blocks A and D of planning permission ref. 73955/APP/2022/2613 dated 20-03-2023. Section 73 application to vary Conditions 2, 3 and 5 of application reference 73955/APP/2021/3362 dated 20-01-2022 (Section 73 application to vary Conditions 2 and 3 of application reference 73955/APP/2020/139 (Demolition of existing buildings for residential-led mixed use development comprising buildings between 3 and 11 storeys to provide residential units (Use Class C3) and ground floor employment floorspace (Use Class B1) with associated access and car and cycle parking, landscape and amenity areas and associated servicing) to link internal corridors, relocate the consented gym use, relocate a duplex unit, change duplex units to single level, amend the refuse strategy and amend the layout of the car park & cycle stores) to include a second staircase, reduction in car parking, change to energy strategy, internal flat changes to address fire regulations, change to residential unit mix, and amendments to landscaping.

Details pursuant to the discharge of Condition 3 (Construction Management Plan) of planning permission ref. 79080/APP/2025/801, dated 18-07-2025 (Erection of a part single storey, part two storey extension to the front, side and rear of the dwelling with amendments to fenestration. Conversion of roof space to habitable use including front and rear dormers, raising of the existing ridge line and 2 no. front facing and 4 no. rear facing roof lights and new flat roof canopy over main entrance.

Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 3.69 metres, and for which the height of the eaves would be 2.85 metres

Rear and side Dormer (introduction and enlargement) and amendments to the rear fenestration to accommodate the conversion of dwellinghouse (Class C3) to small House in Multiple Occupation (Class C4) (up to 6 persons) with associated parking, cycle store and amenity space.

Erection of a two storey rear extension.

Construction of rear extension, a sky light on rear extension, new LHS obscure window, new roof light, and a front porch. (Application for a Certificate of Lawful Development for a Proposed Development)

Details pursuant to the discharge of Condition 5 (Arboricultural Survey) of planning consent reference 585/APP/2016/4504 dated 18-03-2022 (Reserved matters (layout, scale, appearance and landscaping) for the erection of 294 dwellings and up to 469 sq.m of retail floorspace (use classes F.2, E and Public House/Takeaway (Sui Generis), formerly A1-5) development together with associated parking and landscaping within the Town Centre Extension (West) Phase of planning permission ref. 585/APP/2015/848 dated 21-12-2015).

Erection of a single storey rear extension, and conversion of existing garage to habitable space including replacement of garage door with window.

Details pursuant to the partial discharge of Condition 12 (SuDS Verification Report) for Blocks A and D of planning permission ref. 73955/APP/2022/2613. Section 73 application to vary Conditions 2, 3 and 5 of application reference 73955/APP/2021/3362 dated 20-01-2022 (Section 73 application to vary Conditions 2 and 3 of application reference 73955/APP/2020/139 (Demolition of existing buildings for residential-led mixed use development comprising buildings between 3 and 11 storeys to provide residential units (Use Class C3) and ground floor employment floorspace (Use Class B1) with associated access and car and cycle parking, landscape and amenity areas and associated servicing) to link internal corridors, relocate the consented gym use, relocate a duplex unit, change duplex units to single level, amend the refuse strategy and amend the layout of the car park & cycle stores) to include a second staircase, reduction in car parking, change to energy strategy, internal flat changes to address fire regulations, change to residential unit mix, and amendments to landscaping.

Installation of solar panels to side and rear roof slopes, installation of render insulation to external walls.

Double storey rear extension and conversion of roof space to habitable use to include a rear dormer (Application for a Certificate of Lawful Development for a Proposed Development)

Erection of a single storey extension to the rear, erection of front porch and amendments to fenestration.

Conversion of roof space to habitable use to include a rear dormer, 2 x front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)

Details pursuant to the discharge of Condition 7 (Landscape Scheme) as attached to planning permission reference 18399/APP/2025/16 dated 01-09-2025 (An application submitted under Section 73 of the Town and Country Planning Act 1990 to vary Conditions 2 (Approved Drawings) and 3 (Compliance with supporting documentation) of planning permission reference 18399/APP/2022/411, dated 03-05-2023 (Installation of plant and equipment to unit DC6 including external plant equipment, external louvres and associated security fencing and landscaping, to facilitate use of the building as a data centre) to make changes to the design of the development.).

Replacement of existing signage with 2no. internally illuminated letter signs, 3no. externally illuminated flag banners, 1no. non-illuminated totem sign, 1no. non-illuminated fence mounted sign, 1no. non-illuminated car park entrance sign and 1no. non-illuminated free standing sign (Description Amended).

Change of use from a Dwellinghouse (Class C3) to a House in Multiple Occupation (Class C4) (Application for a Certificate of Lawful Development for a Proposed Use).

Details pursuant to the discharge of Conditions 4 (Cycle Storage), 5 (EV Parking) and 6 (Waste Storage) of planning permission ref. 57783/APP/2025/866, dated 04-07-2025 (Change of use from Class C3 (Single dwellinghouse) to Sui Generis (Large House in Multiple Occupation))

Details pursuant to condition 14 (parking management plan) of application reference 75127/APP/2023/1646 dated 23-04-24 for 'Minor material amendment (s73) to Condition 2 (Approved Plans) and Condition 3 (General Compliance with Supporting Documents) of planning consent reference: 75127/APP/2022/2395 dated 13-03-2023 (Minor material amendment application (s73) to amend Condition 3 of planning consent reference 75127/APP/2019/3221 dated 27-04-2020 (Redevelopment of site including demolition of existing buildings (Use Class D1) to provide a part 2, part 3 storey building including a basement to provide a leisure centre (Use Class D2) with access, car parking (including a decked car park), landscaping and associated work). The amendments include the removal of the car park deck, re-arrangement of the parking layout and provision of a switch room within the site'.