18 Cleveland Avenue, Chiswick, London, W4 1SN Data via plota.co.uk

FINAL DECISION APPLICATION DECISION - GRANT P/2026/0519 - Lawful Development Certificate (Proposed)
Council
Hounslow 2.1/10
Date received
13 Feb 2026
Decision date
31 Mar 2026
Postcode
W4 1SN
Type
Lawful Development Certificate (Proposed)

Description

Certificate of lawfulness proposed for the erection of a rear roof extension with three front and rear roof windows to the house and removal of a chimney. Data via plota.co.uk

Get alerts nearby Council site ↗

Other new applications on this street

4 Cleveland Avenue,Chiswick,W4 1SN

Enlargement of existing basement.

P/2026/2144 - 22 Jul 2026

15 Cleveland Avenue,Chiswick,London,W4 1SN

Enlargement of existing single storey rear extension to the house.

P/2026/1161 - 26 May 2026

Nearby new applications

91 Prebend Gardens,Chiswick,W6 0XT

Works to trees in a conservation area ;T1 Cypress Plum Fell to ground and grind ...

P/2026/2164 - 27 Jul 2026

25 St Peter's Square,London,Hammersmith And Fulham,W6 9NW

Submission of details of Full details, including photographs of physical samples...

P/2026/01698/DET - 22 Jul 2026

4 Cleveland Avenue,Chiswick,W4 1SN

Enlargement of existing basement.

P/2026/2144 - 22 Jul 2026

13 South Side,Chiswick,W6 0XY

Erection of a side roof extension with hip to gable conversion and increasing th...

P/2026/2116 - 22 Jul 2026

8 Lonsdale Road,Chiswick,W4 1ND

Works to trees in a conservation area ;T1-Holly(Ilex aquifolia) section fell to ...

P/2026/2114 - 21 Jul 2026

14-16, Stamford Brook Avenue, Chiswick, London, W6 0YD

P/2026/1277 Erection of a part two storey front extension, side extension and re...

P/2026/01836/OBS - 21 Jul 2026

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025
Flat 1, The Power House, 70 Chiswick High Road, Chiswick, London, W4 1SY
Retrospective listed building works application for the insertion of a lift and internal…
P/2025/3725
2025
Flat 1, The Power House, 70 Chiswick High Road, Chiswick, London, W4 1SY
Retrospective application for the insertion of a lift, installation of an A/C condenser u…
P/2025/3811
2025 Approved
28 Ravensmede Way, Chiswick, London, W4 1TD
Retrospective application for the erection of a detached outbuilding in the rear garden a…
P/2025/3028
2025 Approved
22 Ravensmede Way, Chiswick, London, W4 1TD
Erection of a single storey side and front extension, conversion of the garage into a hab…
P/2025/1377
2025 Approved
5 Cleveland Avenue, Chiswick, London, W4 1SN
Erection of a single storey rear extension with a two levelled flat roof and parapet to t…
P/2025/1142
2024 Approved
16 Cleveland Avenue, Chiswick, London, W4 1SN
Erection of a single storey rear extension and rear roof dormer extension to the house, a…
P/2024/4337
2024 Approved
22 Merton Avenue, Chiswick, London, W4 1TA
Ground floor rear extension 3.27 metres deep, maximum height 4.00 metres, 3.00 metres hig…
PA/2024/4287
2024 Refused
28 Ravensmede Way, Chiswick, London, W4 1TD
Installation of a domestic air source heat pump (6kW) to the ground floor at the rear of…
P/2024/2036
2023 Approved
8 CLEVELAND AVENUE, CHISWICK, W4 1SN
Erection of a single storey rear extension and air conditioning unit to rear garden.
P/2023/3297
2023 Approved
23 CLEVELAND AVENUE, CHISWICK, LONDON, W4 1SN
Erection of a single storey rear infill and a rear roof extension with three front roof w…
P/2023/2747
2023 Approved
9 MERTON AVENUE, CHISWICK, W4 1TA
Ground floor rear extension 4.18 metres deep, maximum height of 3.15 metres, 3.00 metres…
PA/2023/2519
2023 Approved
25 CLEVELAND AVENUE, CHISWICK, LONDON, W4 1SN
Erection of a single storey rear extension, rear infill extension and the installation of…
P/2023/1531
2023 Approved
26 RAVENSMEDE WAY, CHISWICK, W4 1TD
Erection of a front porch and conversion of existing garage into a habitable space.
P/2023/1637
2023 Approved
18 MERTON AVENUE, CHISWICK, LONDON, W4 1TA
Ground floor rear extension 4.00 metres deep, maximum height 3.15 metres, 3.00 metres hig…
PA/2023/1876
2022 Withdrawn
25 CLEVELAND AVENUE, CHISWICK, LONDON, W4 1SN
Erection of a single storey rear infilll extension, alterations to the existing single st…
P/2022/4054
2023 Refused
9 CLEVELAND AVENUE, CHISWICK, LONDON, W4 1SN
Installation of a trellis to raise all existing boundary treatments
P/2023/0183
2023 Refused
45 MERTON AVENUE, CHISWICK, LONDON, W4 1TA
Erection of a part two storey, part single storey rear extension to the house.
P/2023/0044
2022 Approved
19 MERTON AVENUE, CHISWICK, LONDON, W4 1TA
Erection of a part single storey rear extension to the house
P/2022/2331
2022 Refused
58-60 CHISWICK HIGH ROAD, CHISWICK, W4 1SY
Erection of a third floor extension to no's 58 and 60 to create two additional flats with…
P/2022/1603
2022 Approved
METROPOLIS STUDIO LTD 70 THE POWER HOUSE CHISWICK HIGH ROAD, CHISWICK, LONDON, W4 1SY
Installation of one No. GPS node to be mounted externally at the rear of the building (Li…
P/2022/1232
2016 Approved
40 CLEVELAND AVENUE CHISWICK LONDON W4 1SW
Erection of a single storey side and rear extension to the flat
P/2016/3934
2016 Approved
41A MERTON AVENUE CHISWICK LONDON W4 1TA
Erection of a rear roof extension with three roof lights to the front roof slope and inst…
P/2016/2540
2016 Approved
43 MERTON AVENUE CHISWICK LONDON W4 1TA
Erection of a single storey rear extension, enlargement of existing basement and formatio…
P/2016/1331
2016 Withdrawn
40 CHISWICK HIGH ROAD CHISWICK LONDON W4 1TE
Continued use of a non illuminated hanging sign on the side elevation of the building
P/2016/1199
2016 Approved
45 MERTON AVENUE CHISWICK LONDON W4 1TA
Erection of part single / part two storey rear extension to the house
P/2016/0695
Hounslow
Planning Authority Score
2.1/10
Poor
#268 of 296 councils
Relevant to this application:
Householder decisions

Hounslow is slower than most councils at deciding householder applications, ranking #203 out of 296. 47% of applications have the time limit extended, above the 41% national average. Hounslow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 75% approved vs 90% nationally.

One of the strictest councils
only 75% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Hounslow decision performance
Based on MHCLG data, the year to March 2026
71%
Overall approval rate
Below avg (87%) #294 of 296
75%
Householder approved
Below avg (90%) #293 of 296
56%
Decided in 8 weeks
Below avg (63%) #203 of 296
47%
Extended time limit
Above avg (41%) #208 of 296
38%
Minor dwellings approved
82 decided (1-9 homes)
93%
Major dwellings approved
14 decided (10+ homes)
29%
Change of use approved
72 decided
1,191
Total decisions
340 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings