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Permitted26/AP/0358Submitted 7 months agoSide extension

Denman Road Southwark SE15 5NS

Partial demolition of existing ground floor external wall. Construction of party wall with neighbour to form single storey, flat roof side extension with roof-light. Construction of light-weight metal canopy to rear elevation at ground floor. Installation of new glazing to extension and replacement of glazing to the main house.

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Progress

Submitted
10 Feb 2026
— completed
Validated
10 Feb 2026
— completed
Consultation
— completed
Target date
6 Apr 2026
— completed
Decided
30 Mar 2026
— completed

Application details

Reference
26/AP/0358
Local authority
Southwark
Postcode
SE15 5NS
Ward
SGIL
Application type
Householder
Property type
Flat

Key dates

Submitted
10 Feb 2026
Validated
10 Feb 2026
Target decision
6 Apr 2026
Decided
30 Mar 2026

Estimated project value

£23k–£39k

Based on the 9.5m² 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: 9.5

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 5 recent sales are listed below.

Homes here go for about £770,000 — the median of the last 8 market sales in SE15 5NS, £458,000 to £1,400,000.

Contains HM Land Registry data © Crown copyright and database right 2025. 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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