Planning Applications in HA4

Planning authority: Hillingdon Council

Search current and historic planning applications in the HA4 postcode district in Hillingdon - 64 in the last 90 days. Filter applications by date, status, development type, or number of homes, view them on the map, or create a free alert for new applications.

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Showing 50 of 64 applications
3 Sept 2026 Undecided 69413/APP/2026/2133

118a Victoria Road Ruislip HA4 0AL

Existing use of property as a Home in Multiple Occupation (HMO) (Class C4) (Application for a Certificate of Lawful Development for an Existing Use)

Hillingdon
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
25 Aug 2026 Undecided 49195/TRE/2026/206

31 King Edwards Road Ruislip

TPO 558 T1 1x Lime to reduce height up to 3m and lateral spread on all sides by up to 2.5m.

Hillingdon
25 Aug 2026 Undecided 51737/APP/2026/2030

71 Seaford Close Ruislip

Erection of single storey side extension.

Hillingdon
20 Aug 2026 Undecided 80236/APP/2026/2062

23 & 24 Green Walk Ruislip HA4 8NL

Conversion of existing semi-detached dwellinghouses to 4x1 bed flats, erection of double storey rear extensions, erection of a front and rear dormer,...

Hillingdon
18 Aug 2026 Undecided 31055/APP/2026/2047

150 West End Road Ruislip

Installation of a vehicle crossover and area of hardstanding.

Hillingdon
17 Aug 2026 Undecided 34752/APP/2026/2032

7 Bury Street Ruislip

Installation of an open air swimming pool in the rear garden.

Hillingdon
17 Aug 2026 Undecided 34752/APP/2026/2031

7 Bury Street Ruislip

Installation of an open air swimming pool in the rear garden (Application for Listed Building Consent) (Related to application ref. 45888/APP/2026/171...

Hillingdon
12 Aug 2026 Undecided 30814/APP/2026/1989

32 Hillcroft Crescent Ruislip

Erection of a single storey rear extension.

Hillingdon
11 Aug 2026 Undecided 72724/APP/2026/1976

2 The Ridgeway Ruislip

Conversion of integral garage to habitable accommodation, erection of front porch

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
10 Aug 2026 Undecided 35875/APP/2026/1961

239 The Fairway Ruislip

Erection of a part single, part two storey wrap around extension to the side and rear

Hillingdon
7 Aug 2026 Undecided 3793/APP/2026/1953

69 Hatherleigh Road Ruislip

Amendments to fenestrations.

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
6 Aug 2026 Undecided 10178/APP/2026/1949

5 Bempton Drive Ruislip

Erection of a front porch (Application for a Certificate of Lawful Development for a Proposed Development)

Hillingdon
6 Aug 2026 Approved 10178/APP/2026/1948

5 Bempton Drive Ruislip

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...

Hillingdon
5 Aug 2026 Undecided 22574/APP/2026/1934

26 Rydal Way Ruislip

Erection of a single storey rear extension.

Hillingdon
5 Aug 2026 Undecided 51153/APP/2026/1940

241 Whitby Road Ruislip

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...

Hillingdon
4 Aug 2026 Undecided 79237/APP/2026/1928

5 Mansfield Avenue Ruislip HA4 9LD

Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and a new gable end window.

Hillingdon
3 Aug 2026 Undecided 46213/APP/2026/1926

16 Sidmouth Drive Ruislip

Conversion of roof space to habitable use to include a rear dormer and 3 front roof lights (Application for a Certificate of Lawful Development for a ...

Hillingdon
3 Aug 2026 Undecided 80210/APP/2026/1925

33 Flemming Avenue Ruislip HA4 9LE

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...

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
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
29 Jul 2026 Undecided 7723/APP/2026/1885

Ruislip Police Station the Oaks Ruislip

Modifications to existing main entrance ramp, to provide new handrails and supports. Also ensure brick upstand meets required 150 mm fall protection. ...

Hillingdon
28 Jul 2026 Undecided 68814/APP/2026/1865

63 Elm Avenue Eastcote HA4 8PG

Erection of a single storey rear extension and steps to rear garden.

Hillingdon
28 Jul 2026 Undecided 35875/APP/2026/1874

239 The Fairway Ruislip

Conversion of roof space to habitable use to include a rear dormer with Juliet balcony, front roof lights conversion of roof from hip to gable end (Ap...

Hillingdon
24 Jul 2026 Undecided 57259/APP/2026/1839

13 Masson Avenue Ruislip

Conversion of roof to habitable space including a hip to gable end extension, rear dormer, 1 front rooflight, 1 gable end window and Juliette balcony.

Hillingdon
21 Jul 2026 Approved 80162/APP/2026/1807

694 Field End Road Eastcote HA4 0QR

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...

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
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
16 Jul 2026 Undecided 31197/APP/2026/1773

161 Woodlands Avenue Ruislip

Erection of a part single storey, part two storey rear extension, a first floor side extension, conversion of garage space to habitable use, conversio...

Hillingdon
15 Jul 2026 Approved 50771/APP/2026/1762

24 Old Hatch Manor Ruislip

Variation of Condition 2 (Approved Plans) of planning permission ref. 50771/APP/2023/2916, dated 22-12-2023 (Erection of a single storey extension rea...

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 59541/APP/2026/1719

28 Breakspear Road Ruislip

Conversion of roof space to habitable use to include a rear dormer, roof lights, and conversion of roof from hip to gable end, and the erection of a s...

Hillingdon
8 Jul 2026 Approved 80171/APP/2026/1710

26 Great Central Avenue Ruislip HA4 6UE

Conversion of garage to habitable space including a raised flat roof and the replacement of garage door with window (Application for a Certificate of ...

Hillingdon
8 Jul 2026 Approved 68814/APP/2026/1715

63 Elm Avenue Ruislip HA4 8PG

Conversion of roof space to habitable use to include a rear dormer, roof lights, conversion of roof from hip to gable end, the erection of a single st...

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 80110/APP/2026/1701

25 Roundways Ruislip HA4 6EA

Erection of a single storey side and rear extension.

Hillingdon
3 Jul 2026 Undecided 74799/APP/2026/1334

293 West End Road Ruislip

Erection of 2no. dwellinghouses with associated parking, landscaping, bin and cycle storage, following the demolition of the existing bungalow.

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
1 Jul 2026 Approved 65921/APP/2026/1650

4 Oakfield Close Ruislip Middx HA4 8AZ

Erection of a single storey rear extension.

Hillingdon
1 Jul 2026 Approved 47583/APP/2026/1641

51 Exmouth Road Ruislip

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

Hillingdon
30 Jun 2026 Undecided 73901/APP/2026/1244

Land at Victoria Retail Park Victoria Road Ruislip HA4 0AJ

Provision of a substation and associated bollards to support a scheme for 11 no. electric vehicle charging spaces

Hillingdon
30 Jun 2026 Approved 16329/APP/2026/1627

10 Westfield Way Ruislip

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...

Hillingdon
25 Jun 2026 Approved 80113/APP/2026/1387

8 Cavendish Avenue Ruislip HA4 6QH

Erection of single storey rear extension

Hillingdon
24 Jun 2026 Undecided 80152/APP/2026/1581

72 Berkeley Close Ruislip HA4 6LF

Installation of a dropped kerb

Hillingdon
24 Jun 2026 Undecided 10846/APP/2026/1570

5 Ashburton Road Ruislip

Amalgamation of two outbuildings to form a single ancillary outbuilding, removal of 5 Ashburton Road rear fencing, including alterations to the reside...

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
24 Jun 2026 Approved 47455/APP/2026/1573

47 Ladygate Lane Ruislip

Conversion of roof space to habitable use to include a side dormer, 2no. side facing rooflights, and conversion of roof form from hipped to gable end ...

Hillingdon
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Data updated daily. Source: Hillingdon Council planning portal.