Demolition plans in Hillingdon

188 demolition applications were submitted in Hillingdon in the last 12 months, from garages and outbuildings to whole buildings. Of the 144 decided so far, 131 were approved. Demolish-and-rebuild schemes also appear under planned new homes.

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Showing 45 of 45 applications
1 Sept 2026 Undecided 79287/APP/2026/2122

25 Kings College Road Ruislip HA4 7JY

Erection of double storey outbuilding with a pitched roof, following the demolition of the existing outbuilding.

Hillingdon
18 Aug 2026 Undecided 51743/APP/2026/2046

Building 1071 Southampton Road Heathrow Airport

Demolition of existing building slab and other structures along with their foundations; backfilling of the excavations; removal of below ground draina...

Hillingdon
12 Aug 2026 Undecided 52357/APP/2026/2005

37 Woodcroft Crescent Uxbridge

Erection of a single storey wrap around extension to the front, side and rear, following the demolition of the existing rear extension

Hillingdon
11 Aug 2026 Undecided 39834/APP/2026/1985

5 Southcote Rise Ruislip

Conversion of roof space to habitable use to include a rear dormer, roof lights, conversion of roof from hip to gable end with new gable end window, f...

Hillingdon
7 Aug 2026 Undecided 27489/APP/2026/1959

27 Ashburton Road Ruislip

Erection of two storey side extension, part single part double storey rear extension, single storey front extension, conversion of roof space to habit...

Hillingdon
3 Aug 2026 Undecided 14341/APP/2026/1924

52 Yew Avenue Yiewsley

Erection of a single storey rear extension, a front porch, and an outbuilding to the rear garden, following the demolition of the existing rear extens...

Hillingdon
31 Jul 2026 Undecided 5588/APP/2026/1911

15 Collins Drive Ruislip

Conversion of roof space to habitable use to include hip to gable extension, rear dormer with Juliette balcony, 3x front facing rooflights, erection o...

Hillingdon
31 Jul 2026 Undecided 49399/APP/2026/1907

31a the Avenue Uxbridge

Conversion of roof space to habitable use to include hipped to gabled ends, rear dormer with a vent vipe, rooflights to the front, erection of a singl...

Hillingdon
31 Jul 2026 Undecided 48998/APP/2026/1914

34 Weymouth Road Hayes

Erection of a part single part double storey rear extension and a front porch, following demolition of existing single storey rear extension

Hillingdon
30 Jul 2026 Approved 80202/APP/2026/1887

90 Royal Crescent Ruislip HA4 0PR

Demolition of existing side utility room and erection of a single storey side/ rear extension and wraparound covered patio extension.

Hillingdon
27 Jul 2026 Undecided 80193/APP/2026/1847

45 Tollgate Drive Hayes UB4 0NP

Erection of a single storey rear extension following the demolition of an existing conservatory.

Hillingdon
22 Jul 2026 Undecided 73195/APP/2026/1822

Ecological Mitigation Site Harvil Road Harefield

Request for approval of Plans and Specifications for works associated with the demolition and removal of the former Harvil Road bridge and highway, i...

Hillingdon
22 Jul 2026 Undecided 2030/APP/2026/1603

45 Dene Road Northwood

Demolition of the existing rear and side extensions, side garage, and two-storey side extension. Erection of a new part single-storey, part two-storey...

Hillingdon
21 Jul 2026 Undecided 80144/APP/2026/1542

18 Mill Drive Ruislip HA4 7GL

Erection of a single storey rear extension, installation of a rear dormer, installation of new front facing window, and demolition of rear garden deck...

Hillingdon
20 Jul 2026 Undecided 6908/APP/2026/1679

91 Whitby Road Ruislip

Erection of a single storey side extension following demolition of the existing lean-to structure, and amendments to fenestrations

Hillingdon
17 Jul 2026 Approved 25816/APP/2026/1783

1 Mahlon Avenue Ruislip

Erection of a single storey side and rear extension, parking provisions, all following the removal of the existing rear conservatory, and buildings in...

Hillingdon
15 Jul 2026 Undecided 12462/APP/2026/1763

30 Highland Road Northwood

Erection of a part single storey, part two storey side, single storey rear extension with patio element, conversion of roof space to habitable use to ...

Hillingdon
14 Jul 2026 Undecided 16483/APP/2026/1751

Hartfield Place High Street Northwood

Change of use from Class E(g)(i) to Class C3 (2 x dwellinghouses and 3 x flats), which includes the demolition of the existing single storey commercia...

Hillingdon
13 Jul 2026 Approved 80099/APP/2026/1305

13 Green Lawns Ruislip HA4 9SP

Erection of a single storey outbuilding to the rear garden for use as an office, following the demolition of the existing shed.

Hillingdon
13 Jul 2026 Approved 18537/APP/2026/1738

30 Glenalla Road Ruislip

Single-storey side and rear extensions following demolition of the existing detached garage and rear outbuilding; alterations to the front elevation i...

Hillingdon
9 Jul 2026 Approved 33980/APP/2026/1722

Four Winds Park Road Uxbridge

Erection of a two storey side extension, erection of a two storey front extension, conversion of roof space to habitable use to include roof lights, f...

Hillingdon
8 Jul 2026 Approved 17364/APP/2026/1556

55 Kewferry Road Northwood

Erection of a two storey front extension, part single storey, part two storey side extension, single storey rear extension, conversion of loft to habi...

Hillingdon
7 Jul 2026 Approved 17612/APP/2026/1381

15 Lynhurst Crescent Uxbridge

Erection of a new part single storey, part double storey side extension, following the demolition of the existing double storey side extension.

Hillingdon
7 Jul 2026 Approved 3378/APP/2026/1464

Braintree House Braintree Road Ruislip HA4 0EJ

Removal of existing telecommunications mast and erection of a rear extension to the industrial unit, with associated internal alterations.

Hillingdon
7 Jul 2026 Approved 76210/APP/2026/1501

32 Wood End Green Road Hayes

Erection of a single storey outbuilding to rear garden, following demolition of the existing garage.

Hillingdon
6 Jul 2026 Approved 6695/APP/2026/1567

7 Gledwood Drive Hayes

Erection of single storey, pitched roof outbuilding to the rear garden, for use as a garage, storage and gym, following the demolition of the existing...

Hillingdon
6 Jul 2026 Decided 26923/APP/2026/1681

73 Keith Road Hayes

Subdivision of plot into 2 separate amenity spaces for the existing dwellinghouse (1 x 3-bed) and the erection of double storey side and part single s...

Hillingdon
3 Jul 2026 Undecided 80163/APP/2026/1669

352 West End Road Northolt HA4 6RD

Demolition of existing garage, erection of a two-storey side and rear extension, Conversion of roof space to habitable use to include rear dormer and ...

Hillingdon
3 Jul 2026 Approved 25673/APP/2026/1667

297 Station Road Hayes

Erection of a single storey rear extension following demolition of existing extension.

Hillingdon
2 Jul 2026 Undecided 145/APP/2026/1590

108 Cowley Road Uxbridge

Conversion of roof space to habitable use to include a rear dormer and roof lights, erection of a single storey extension to the rear, amendments to f...

Hillingdon
30 Jun 2026 Approved 79933/APP/2026/1621

47a Station Road Hayes UB3 4BE

Conversion of 2 bedroom flat into 2x 1 bed studio flats, conversion of roof space to habitable use to include a rear dormer, following the demolition ...

Hillingdon
30 Jun 2026 Approved 76386/APP/2026/1626

163 Lansbury Drive Hayes

Change of use from one Class C3 (dwellinghouse) into 2 x self- contained flats (1 x 1-bed and 1 x studio), to include a separate amenity place, cycle ...

Hillingdon
30 Jun 2026 Undecided 16157/APP/2026/1631

29 Sweetcroft Lane Hillingdon

Erection of a part single storey, part double storey side and rear extension, proposed part double storey front extension, roof extension following re...

Hillingdon
29 Jun 2026 Undecided 8905/APP/2026/1385

90 Long Lane Ickenham

Demolition of the existing dwellinghouse and the erection of a 9 no. 1, 2 and 3 bed flats with associated parking and amenities.

Hillingdon
26 Jun 2026 Approved 4725/APP/2026/1343

21 Money Lane West Drayton

Application for planning permission for relevant demolition in a conservation area to allow demolition of an unlisted outbuilding to rear garden

Hillingdon
26 Jun 2026 Undecided 24789/APP/2026/1592

3 Willow Grove Ruislip

Raising the ridge to convert the roof space to habitable use to include a rear dormer, two front pitched dormer windows, one front roof light and conv...

Hillingdon
25 Jun 2026 Approved 34203/APP/2026/1595

87 Copse Wood Way Northwood

Demolition of the existing detached two-storey dwelling and the construction of a detached dwelling with accommodation within the roof space, together...

Hillingdon
24 Jun 2026 Approved 80149/APP/2026/1572

14 Ladygate Lane Ruislip HA4 7QU

Erection of single storey side and rear wraparound extension, a front porch, amendments to fenestration and roof lights to the front, side and rear sl...

Hillingdon
23 Jun 2026 Approved 38054/APP/2026/1561

33 East Avenue Hayes

Erection of two storey side/rear extension and single storey rear extension to allow conversion of single dwellinghouse into 2no. dwellinghouses with ...

Hillingdon
22 Jun 2026 Approved 15183/APP/2026/1551

105 Cardinal Road Ruislip

Erection of a single storey rear extension and a front porch, following partial demolition of the existing outbuilding to the rear garden.

Hillingdon
22 Jun 2026 Approved 14791/APP/2026/1549

57 Hillingdon Hill Hillingdon

Erection of a single storey rear extension, a front porch, and alterations to existing side extension including raising of ridge height, following the...

Hillingdon
19 Jun 2026 Undecided 382/APP/2026/1238

Mercure London Heathrow Hotel Shepiston Lane Hayes Ub 1LP

Demolition of existing car park (with retention of the lower car park level), partial extension of lower ground floor, and erection of 5 storey buildi...

Hillingdon
17 Jun 2026 Approved 80063/APP/2026/1149

67 Blandford Waye Hayes UB4 0PB

Erection of single storey outbuilding to rear garden to be used for a gym/playroom/store with a shower, following demolition of existing outbuilding.

Hillingdon
16 Jun 2026 Approved 3067/APP/2026/1395

48 East Road West Drayton

Erection of side/rear extension and amendments to fenestrations, following the demolition of the existing side/rear extension

Hillingdon
16 Jun 2026 Approved 50875/APP/2026/1475

27 Highland Road Northwood

Erection of a single storey extension to the rear, erection of porch to the side, following the demolition of existing rear extension (Application for...

Hillingdon
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Frequently asked questions

Do you need planning permission to demolish a building?
Most demolition outside conservation areas is permitted development under Part 11 of the GPDO, but you must submit a prior-approval application covering method and restoration. Demolition of dwellinghouses always needs prior approval, even where permitted development applies.
What is a 'replacement dwelling' application?
Planning permission to demolish an existing dwelling and replace it with a new one. The principle is not automatic: councils assess the replacement against local policy on impact, scale, design and any heritage or rural-character considerations.
Can I get email alerts for new demolition applications in Hillingdon?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new demolition application published by Hillingdon. You can also narrow the alert to a postcode, street, or drawn area.

We check Hillingdon's planning portal daily. New demolition applications appear here within a day of being published.