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Permitted11/AP/3510Loft conversion

16 WINCHESTER WALK Southwark SE1 9AQ

Removal and replacement of roof by addition of one mansard floor, reconfiguration of internal floor levels, to allow refurbishment in connection with providing 3 floors of office space (1,121sqm) in basement, ground and first floors. Six residential flats at second and newly created third floor levels, to include 2 x 1 bedroom, 2 x 2 bedroom and 2 x 3 bedroom flats. Alterations to fenestration on all facades.

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Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
21 Mar 2012
— completed

Application details

Reference
11/AP/3510
Local authority
Southwark
Postcode
SE1 9AQ
Ward
CATHEDRALS
Application type
All Other
Property type
Flat

Key dates

Decided
21 Mar 2012

Estimated project value

£37k–£100k

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: Checkatrade 2026 loft conversion cost guide.

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.

Homes here go for about £657,500 — the median of the last 8 market sales in SE1 (the wider postcode district), £195,000 to £1,650,000.

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