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Permitted25/AP/1386Submitted over a year agoRear extension

9 Rosenthorpe Road London Borough of Southwark SE15 3EG

Demolition of existing rear extension and construction of an L-shaped single-storey side/rear extension.

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Progress

Submitted
4 Jun 2025
— completed
Validated
4 Jun 2025
— completed
Consultation
—
— completed
Target date
29 Jul 2025
— completed
Decided
8 Jul 2025
— completed

Application details

Reference
25/AP/1386
Local authority
Southwark
Postcode
SE15 3EG
Ward
PERY
Application type
Householder
Property type
House

Key dates

Submitted
4 Jun 2025
Validated
4 Jun 2025
Target decision
29 Jul 2025
Decided
8 Jul 2025

Estimated project value

£41k–£68k

Based on the 16.8m² 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: 16.8m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.

Homes here go for about £1,190,000 — the median of the last 8 market sales in SE15 3EG, £575,000 to £1,300,000.

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.

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