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Permitted19/AP/2434Submitted 7 years agoRear extension

33 Calton Avenue London Borough of Southwark SE21 7DE

Demolition of existing side extensions and construction of single storey rear and side extensions. The insertion of two new windows and a door on side elevation, replacement of all windows and the removal of a chimney.

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Progress

Submitted
9 Aug 2019
— completed
Validated
9 Aug 2019
— completed
Consultation
— completed
Target date
4 Oct 2019
— completed
Decided
4 Oct 2019
— completed

Application details

Reference
19/AP/2434
Local authority
Southwark
Postcode
SE21 7DE
Ward
DUVI
Application type
Householder
Property type
House

Key dates

Submitted
9 Aug 2019
Validated
9 Aug 2019
Target decision
4 Oct 2019
Decided
4 Oct 2019

Estimated project value

£41k–£75k

Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £1,295,000 — the median of the last 7 market sales in SE21 7DE, £1,025,000 to £2,250,000.

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.

Nearby applications