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Permitted15/08065/FULLLoft conversion

13 Newburgh Street 15 Newburgh Street Westminster W1F 7RS

Dual/alternative use of the first, second and third floors for either office (Class B1) use and/or residential (Class C3) use (1 x 3 bedroom, 2 x 2 bedroom and 3 x 1 bedroom). Demolition of the existing plant enclosure at rear second floor level and erection of a single storey extension in this location with a terrace and metal railings. Installation of thermal solar panels and tile vents on the existing roofs and additional dormer to the rear elevation. (SITE INCLUDES 15 NEWBURGH STREET).

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Progress

Submitted
— completed
Validated
— completed
Consultation
— completed
Target date
— completed
Decided
11 Feb 2016
— completed

Application details

Reference
15/08065/FULL
Local authority
Westminster
Postcode
W1F 7RS
Ward
WEST END
Application type
All Other
Property type
Commercial

Key dates

Decided
11 Feb 2016

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.

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