17A Onslow Gardens, London, SW7 3AL Data via plota.co.uk

PP/26/04530 - Planning Permission Approved
Solar & renewables

Proposal

Installation of Air Source Heat Pump (ASHP) on raised gantry within southern lightwell. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
21 Aug 2026
✓
Approved
12 Oct 2026

Approved on 12 Oct 2026 · Last checked 18 Oct 2026

Documents

View the documents on the council's website ↗

Site constraints 9

35 listed buildings within 150 m of the postcode pin
Nearest: 17a and 18-24, Onslow Gardens Sw7, Grade II, the postcode pin is inside its outline · 2 Grade II*, 33 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 35 with distances
Historic England ↗
Thurloe/Smith's Charity conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
Article 4 direction
Article 4 - No 100. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Tree preservation order
Consent is needed before work on protected trees.
Not every council has published its orders as open data, so no order shown is not proof there is none.
Air quality management area: Kensington and Chelsea AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
National infrastructure project about 687 m away: Thames Tideway Tunnel
The site is about 687 m from the project boundary. Waste water treatment, decided. The project page says whether consent was granted. Also within 2 km: London Strategic Heat Main Project (at pre-application, about 514 m).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
Also on the record
Inside the Kensington and Chelsea built-up area; Public transport access: PTAL 6a (excellent), TfL 2023, for the 100 m square; Designated open space about 6 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Important details

Council
Kensington and Chelsea
Application type
Planning Permission
Postcode
SW7 3AL
Received
21 Aug 2026
Validated
21 Aug 2026
Ward
Courtfield
Case officer
Show
Target decision
16 Oct 2026
Decision
Granted
Decision date
12 Oct 2026

How this decision compares

Decided in 52 days from validation, 22 days faster than Kensington and Chelsea's median of 74 for full applications. Approved, as 94% of full applications here are.

38%decided within 8 weeks
94%approved
1,533decided in the last year

Plota live figures for full applications decided by Kensington and Chelsea in the last twelve months, from validation. Kensington and Chelsea decision record →

Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Withdrawn
Installation of an Air Source Heat Pump (ASHP) on a raised gantry within southern lightwe…
PP/25/03444
2025 Withdrawn
Installation of an Air Source Heat Pump (ASHP) on a raised gantry within southern lightwe…
LB/25/03445
Within ~100m

Nearby activity

2025 Approved
10 Selwood Terrace, Onslow Gardens, London, SW7 3QN
Internal remodelling at lower ground floor level including structural and excavation works
LB/25/06468
2025 Approved
7 Neville Terrace, Onslow Gardens, London, SW7 3AT
Replacement of upper roof coverings and front roof window
LB/25/06552
2025 Approved
10 Selwood Terrace, Onslow Gardens, London, SW7 3QN
Internal remodelling at lower ground floor level including structural and excavation works
PP/25/06467
2025 Approved
13 Neville Street, London, SW7 3AR
Installation of integrated air conditioning units with external unit
PP/25/05801
2025 Approved
13 Neville Street, London, SW7 3AR
Installation of integrated air conditioning units with external unit
LB/25/05802
2025 Approved
10 Selwood Terrace, Onslow Gardens, London, SW7 3QN
Replacement of 4no single glazed, timber framed, damaged sash windows: 1no at first floor…
PP/25/05891
2025 Approved
10 Selwood Terrace, Onslow Gardens, London, SW7 3QN
Replacement of 4no single glazed, timber framed, damaged sash windows: 1no at first floor…
LB/25/05892
2025 Approved
11 Selwood Terrace, Onslow Gardens, London, SW7 3QN
Installation of new steps paved with York stone to provide access to lower ground floor a…
LB/25/05896
2025 Approved
14 Selwood Terrace, Onslow Gardens, London, SW7 3QN
Installation of removable secondary glazing to windows to front elevation on the ground a…
LB/25/04979
2025
11 Selwood Terrace, Onslow Gardens, London, SW7 3QN
Installation of new stairs to front and rear lightwells, and underpinning works.
LB/25/06715
2025 Approved
17 Selwood Place, London, SW7 3QL
Installation of removable secondary glazing to windows
LB/25/03760
2025
7 Neville Terrace, Onslow Gardens, London, SW7 3AT
Replacement of upper roof coverings and front roof window
PP/25/06551
2025 Approved
9 Selwood Terrace, Onslow Gardens, London, SW7 3QN
Replacement of non-original timber sash windows to front and rear elevations with new uni…
LB/25/03977
2025 Approved
13 Neville Street, London, SW7 3AR
Replacement of non-original French doors at lower ground closet wing with sliding aluminu…
LB/25/03568
2025 Approved
13 Neville Street, London, SW7 3AR
Replacement of non-original French doors at lower ground closet wing with sliding aluminu…
PP/25/03567
2025 Approved
Flat 7, 24 Onslow Gardens, London, SW7 3AL
Installation of an airbrick within north western fa?ade
LB/25/02564
2025 Approved
11 Selwood Terrace, Onslow Gardens, London, SW7 3QN
Alterations comprising new staircase to lightwell; replacement vault doors to match exist…
PP/25/02941
2025 Approved
11 Selwood Terrace, Onslow Gardens, London, SW7 3QN
Alterations comprising new staircase to lightwell; replacement vault doors to match exist…
LB/25/02942
2025 Withdrawn
3 Neville Terrace, Onslow Gardens, London, SW7 3AT
Variation of condition 5a (submission of details - a) New upper ground floor rear glazed…
PP/25/02446
2025 Withdrawn
17A Onslow Gardens, London
Installation of an air source heat pump (ASHP) at ground floor including the installation…
PP/25/01226
2019 Withdrawn
7 Neville Street, London, SW7 3AR
Variation of Condition 2 (Compliance with approved drawings) of planning permission PP/15…
PP/19/03931
2019 Approved
4 Neville Terrace, Onslow Gardens, London, SW7 3AT
Refurbishment of dwellinghouse, replacement of existing rear conservatory, rear external…
LB/19/03854
2019 Approved
4 Neville Terrace, Onslow Gardens, London, SW7 3AT
Refurbishment of dwellinghouse, replacement of existing rear conservatory, rear external…
PP/19/03853
2019 Approved
11 Neville Street, London, SW7 3AR
Installation of ceramic tile floor to hallway and engineered timber to ground floor princ…
LB/19/03674
2019 Withdrawn
3 Selwood Place, London, SW7 3QQ
Variation of condition 2 (approved drawings) of planning permission 18/07436 for adjustme…
PP/19/02865
Kensington and Chelsea
Planning Authority Score
5.1/10
Average
#144 of 296 councils
Relevant to this application:
Householder decisions

Kensington and Chelsea ranks #174 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Kensington and Chelsea decision statistics
Based on MHCLG data, the nine months to December 2025
93%
Overall approval rate
Above avg (87%) #58 of 296
94%
Householder approved
Above avg (90%) #110 of 296
61%
Decided in 8 weeks
Below avg (63%) #174 of 296
40%
Extended time limit
Below avg (41%) #152 of 296
94%
Minor dwellings approved
455 decided (1-9 homes)
87%
Change of use approved
53 decided
1,839
Total decisions
135 refused in the nine months to December 2025
Source: MHCLG planning statistics · See full council rankings