241 Sternhold Avenue London SW2 4PG Data via plota.co.uk

26/02869/FUL - Full Planning Permission Awaiting decision

Proposal

Erection of a mansard roof extension on outrigger, including mansard dormer on main house for stair access. Installation of two lead dormer opaque glazed windows on pitch of mansard located on outrigger and two casement windows on rear elevation of outrigger. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
1 Oct 2026
Decision
Expected by 26 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 26 Nov 2026, from Lambeth's recent extensions.

Comments are open until 3 Nov 2026

Comment on this application ↗

Site constraints 5

Air quality management area: Lambeth 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 ↗
Also on the record
Inside the Lambeth built-up area; Public transport access: PTAL 2 (poor), TfL 2023, for the 100 m square; Metropolitan Open Land 43 m away; Priority habitat 40 m away: Deciduous woodland.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 14 October 2026. Historic England, the Environment Agency, Natural England, 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.

Sales history 2

Last sold for £742,000 in December 2025. Terraced house, leasehold.

More than one property is recorded at this address: HM Land Registry does not always give the flat or unit.

22 December 2025£742,000
14 March 2003£250,000Flat or maisonette

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area107 m² (1,152 sq ft)
Energy ratingC (72 out of 100), could reach B
PropertyMid-terrace flat, 4 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in February 2025, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Lambeth
Application type
Full Planning Permission
Postcode
SW2 4PG
Received
1 Oct 2026
Validated
1 Oct 2026
Ward
Streatham Hill West & Thornton
Case officer
Show
Target decision
26 Nov 2026
Applicant
Show

Decision outlook

Day 18 of the 56-day target. Lambeth usually decides extensions by day 56.

Day 1838 days to the 56-day target
59%decided within 8 weeks
82%approved
835decided in the last year

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

Public comments

No public comments yet.

7 neighbours consulted · Last counted 14 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
3 Nov 2026
Statutory expiry
26 Nov 2026
Env. assessment
No
Lambeth
Planning Authority Score
2.7/10
Poor
#242 of 296 councils
Relevant to this application:
Householder decisions

Lambeth ranks #164 out of 296 councils for householder decision speed. 47% of applications have the time limit extended, above the 41% national average. Lambeth is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.

One of the strictest councils
only 81% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Lambeth decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #274 of 296
81%
Householder approved
Below avg (90%) #273 of 296
62%
Decided in 8 weeks
Below avg (63%) #164 of 296
47%
Extended time limit
Above avg (41%) #209 of 296
46%
Minor dwellings approved
70 decided (1-9 homes)
100%
Major dwellings approved
9 decided (10+ homes)
42%
Change of use approved
53 decided
1,784
Total decisions
396 refused in the year to March 2026

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.