All Applications

Erection of a single storey rear extension and a front porch.

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

Erection of a single storey rear/side extension.

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 2.78 metres, and for which the height of the eaves would be 2.48 metres

Erection of a two storey rear extension.

Proposed conversion of existing dwellinghouse from Class C3 (single family dwellinghouse) to Class C4 (small scale House in Multiple Occupation) with the addition of 1 obscure glazed window in the upper floor side elevation (Application for a Certificate of Lawful Development for a Proposed Development)

Request for agreement of a Site Restoration Scheme of land to the east of the Viaduct extending between Broadwater Lake and Harefield Lake, in accordance with Paragraph 5(1) of Schedule 16 to the High Speed Rail (London - West Midlands) Act 2017.

Details pursuant to the discharge of Conditions 12 (Delivery and Servicing Plan) and 14 (Travel Plan) as attached to planning permission ref. 37403/APP/2018/4475, dated 15-03-2019 (Refurbishment and extension of B1 office building including two-storey extension (net increase of 1,120sqm GEA floorspace), recladding of the retained structure and rooftop plant enclosures, and reconfiguration of hard and soft landscaping and vehicular and cycle parking.)

Erection of a single storey side extension and front porch extension. Removal of a tree.

Variation of Condition 2 (approved plans) of planning permission ref. 46400/APP/2025/70, dated 06-03-2025 (Construction of a single-storey rear outbuilding) to install roof lantern rather than roof lights on the proposed outbuilding.

Erection of single storey side extension, following demolition of existing side extension.

Conversion of roof space to habitable use to include a rear dormer with Juliet balcony, Hip to Gable end with gable end window, and 2 front roof lights. (Application for a Certificate of Lawful Development for a Proposed Development)

Retention of existing outbuilding and side lean-to structure and proposed rear extension (part retrospective)

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.