← Back to search

Permitted25/00136/FULSubmitted over a year agoRear extension

25 Knollys Road London Borough of Lambeth SW16 2JJ

Installation of solar panels on the front pitches of the existing roof; installation of external wall insulation to the front, side and rear elevations; installation of an air source heat pump mounted on the rear wall at first floor level with associated screening; alteration to the flank wall rainwater drainage; alterations to the rear elevation including removal of small rear chimney stack; replacement of existing single-glazed windows with double glazed aluminium framed new windows; replacement of roofing to the existing rear extension; replacement of the single-glazed glass conservatory-style ceiling with a new double-glazed ceiling; reduction in height of the brick turret and creation of two new openings filled with glass bricks; installation of a suspended timber trellis to rear; replacement of the single-glazed louvred panels with double-glazed glass blocks; and enlargement of first-floor rear elevation windows.

Find on council portal

Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.

Map of the site

Progress

Submitted
31 Jan 2025
— completed
Validated
31 Jan 2025
— completed
Consultation
26 Feb 2025
— completed
Target date
28 Mar 2025
— completed
Decided
2 Apr 2025
— completed

Application details

Reference
25/00136/FUL
Local authority
Lambeth
Postcode
SW16 2JJ
Ward
KNIGHT
Application type
All Other
Property type
House

Key dates

Submitted
31 Jan 2025
Validated
31 Jan 2025
Comments close
26 Feb 2025
Target decision
28 Mar 2025
Decided
2 Apr 2025

Estimated project value

£9k–£14k

Based on the 3.5m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 3.5m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 7 recent sales are listed below.

Homes here go for about £385,000 — the median of the last 8 market sales in SW16 2JJ, £225,000 to £515,000.

Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

Nearby applications