70 Onslow Gardens, London, SW7 3QB Data via plota.co.uk

LB/26/02614 - Listed Building Consent Approved
Extensions & alterationsListed buildings

Proposal

Removal of marble steps and replacement with Victorian style tile pattern; replacement of existing tiles to the entrance steps with new black and white tiles laid in a traditional Victorian mosaic checkerboard pattern, complete with a two-line border. Work to replicate historic detailing and match neighbourhood styling Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
21 May 2026
✓
Approved
16 Jul 2026

Approved on 16 Jul 2026 · Last checked 20 Oct 2026

Documents

View the documents on the council's website ↗

Site constraints 10

29 listed buildings within 150 m of the postcode pin
Nearest: 50-78, Onslow Gardens Sw7, Grade II, the postcode pin is inside its outline · 29 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 29 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 Named permitted development rights are withdrawn here.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 754 m away: Thames Tideway Tunnel
The site is about 754 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 503 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 4 m away; Town centre about 87 m away: South Kensington.
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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21 Sept 2026Approved

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Important details

Council
Kensington and Chelsea
Application type
Listed Building Consent
Postcode
SW7 3QB
Received
21 May 2026
Validated
21 May 2026
Ward
Courtfield
Case officer
Show
Target decision
16 Jul 2026
Decision
Granted
Decision date
16 Jul 2026
Applicant
Show

How this decision compares

Decided in 56 days from validation, 27 days faster than Kensington and Chelsea's median of 83 for extensions. Approved, as 95% of extensions here are.

33%decided within 8 weeks
95%approved
1,441decided in the last year

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

Consultation & key dates

Comments by
19 Jun 2026

Historical activity at this location

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

This property

Previous applications at this address

2025 Approved
External repairs, internal redecorations and fire safety works
LB/25/05674
2024 Approved
Works comprise replacement of main roofs, including all associated works, following water…
LB/24/07531
2024 Withdrawn
Replacement of main roofs, including all associated works, slate tiles will be salvaged a…
LB/24/03023
Within ~100m

Nearby activity

2025 Approved
Flat 5, 56 Onslow Gardens, London, SW7 3QA
Internal refurbishment of an existing two-storey flat located on 1st and 2nd floors inclu…
LB/25/05557
2025 Approved
43 Onslow Gardens, London, SW7 3PY
Replacement of entrance door, installation of CCTV camera monitoring house entrance only…
LB/25/01997
2025 Approved
Flat 7, 24 Onslow Gardens, London, SW7 3AL
Installation of an airbrick within north western fa?ade
LB/25/02564
2025 Approved
Flat 3, 66 Onslow Gardens, London, SW7 3QB
Substitution of existing windows and doors with like for like new double-glazed timber un…
LB/25/01063
2025 Approved
Flat 6, 42 Onslow Gardens, London, SW7 3PY
Internal refurbishment and upgrade including new kitchen, bathroom finishes and sanitary…
LB/25/01173
2024 Approved
Flat 7, 35 Onslow Gardens, London, SW7 3PY
Reposition heating boiler and its external flue for second floor flat
LB/24/07343
2024 Approved
Flat 7, 35 Onslow Gardens, London, SW7 3PY
Reposition heating boiler and its external flue for second floor flat
PP/24/07342
2024 Approved
68 Onslow Gardens, London, SW7 3QB
Works comprise replacement of main roofs, including all associated works, following water…
LB/24/07529
2024 Approved
Gardens Rear Of 49/77 Onslow Gardens, Cranley Gardens, London
Prune 1 x Platanus x hispanica (London Plane)
ARB/24/08234
2024 Approved
Flat 3 and 4, 52 Onslow Gardens, LONDON, SW7 3QA
Removal of glazed sliding roof hatch to upper roof terrace and replacement with new; rein…
PP/24/07073
2024 Approved
Flat 3 and 4, 52 Onslow Gardens, LONDON, SW7 3QA
Removal of glazed sliding roof hatch to upper roof terrace and replacement with new; rein…
LB/24/07074
2024 Approved
16 Onslow Mews West, LONDON, SW7 3AF
Installation of a louvred grille to the rear roof slope to accommodate cooling appliance…
PP/24/06353
2024 Withdrawn
Flat 1, 47 Onslow Gardens, LONDON, SW7 3PY
Refurbish basement, lower ground, ground and first floor along with external rear terrace…
LB/24/04670
2024 Withdrawn
Flat 1, 47 Onslow Gardens, LONDON, SW7 3PY
Refurbish basement, lower ground, ground and first floor along with external rear terrace…
PP/24/04669
2024 Withdrawn
Flat 7, 35 Onslow Gardens, LONDON, SW7 3PY
Relocation of existing gas central heating boiler from one side of window to other as par…
LB/24/03788
2024 Refused
38 Onslow Gardens, LONDON, SW7 3PY
Replacement of floor tiles in ground floor communal area.
LB/24/01628
2024 Approved
Flat 3, 24 Onslow Gardens, LONDON, SW7 3AL
Internal refurbishment of existing flat, including replacement of modern fitted kitchen…
LB/24/02728
2024 Approved
Flat 3, 26 Onslow Gardens, LONDON, SW7 3AG
Retrospective application to regularise historic internal alterations at first floor
LB/24/02594
2024 Approved
Flat 4, 38 Onslow Gardens, LONDON, SW7 3PY
Internal alterations, including modification of internal walls; addition of ensuite to ma…
LB/24/02557
2024 Approved
Flat 7, 73 Onslow Gardens, LONDON, SW7 3QD
Levelling of pitched roof to allow for access to a proposed roof terrace with access, rem…
PP/24/01998
2019 Approved
Flat H, 70 Onslow Gardens, London, SW7 3QB
Resubmission of applications PP/18/06664 and LB/18/06665: Installation of new comfort coo…
PP/19/01362
2019 Approved
Flat 1, 67 Onslow Gardens, London, SW7 3QD
Removal of window and brickwork below to reinstate a door/opening within front basement w…
LB/19/01088
2019 Approved
Flat 1, 67 Onslow Gardens, London, SW7 3QD
Removal of window and brickwork below to reinstate a door/opening within front basement w…
PP/19/01087
2019 Approved
Gardens Rear Of 80/92, Onslow Gardens, London
Prune 1 x Lime (gardens)
ARB/19/00134
2018 Withdrawn
Flat H, 70 Onslow Gardens, LONDON, SW7 3QB
Internal alterations and installation of comfort cooling system.
LB/18/06665
Kensington and Chelsea
Planning Authority Score
5.1/10
Average
#144 of 296 councils
Relevant to this application:
Other 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