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Permitted21/AP/0285Submitted 5 years agoLoft conversion

5, 42 Mill Street London Borough of Southwark SE1 2DE

Conversion of loft above Flat 42 into additional habitable accommodation including the installation of dormer windows on the north and south-facing roof slopes and additional roof lights on the east and south-facing roof slopes.

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Map of the site

Progress

Submitted
28 Jan 2021
— completed
Validated
28 Jan 2021
— completed
Consultation
2 Mar 2021
— completed
Target date
24 Mar 2021
— completed
Decided
14 Apr 2021
— completed

Application details

Reference
21/AP/0285
Local authority
Southwark
Postcode
SE1 2DE
Ward
NBER
Application type
All Other
Property type
Flat

Key dates

Submitted
28 Jan 2021
Validated
28 Jan 2021
Comments close
2 Mar 2021
Target decision
24 Mar 2021
Decided
14 Apr 2021

Estimated project value

£30k–£63k

Based on the 18.5m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².

Floor area gained: 18.5

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 3 recent sales are listed below.

Homes here go for about £690,000 — the median of the last 7 market sales in SE1 2DE, £625,000 to £1,000,000.

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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