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Permitted25/AP/1640Submitted over a year agoLoft conversion

1 Maidstone Buildings Mews London Borough of Southwark SE1 1GE

Extension of existing top floor flat into the terrace, erection of a dormer to the southern side of the building with a deck terrace, and installation of windows, double doors and skylights

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Map of the site

Progress

Submitted
4 Jun 2025
— completed
Validated
4 Jun 2025
— completed
Consultation
28 Oct 2025
— completed
Target date
29 Jul 2025
— completed
Decided
15 Oct 2025
— completed

Application details

Reference
25/AP/1640
Local authority
Southwark
Postcode
SE1 1GE
Ward
BOBA
Application type
All Other
Property type
Flat

Key dates

Submitted
4 Jun 2025
Validated
4 Jun 2025
Comments close
28 Oct 2025
Target decision
29 Jul 2025
Decided
15 Oct 2025

Estimated project value

£285k–£590k

Based on the 175m² 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: 175.27m²

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £882,500 — the median of the last 8 market sales in SE1 1GE, £675,000 to £1,730,000.

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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