21-22 Montagu Street Westminster W1H 7EX
Refurbishment of Nos. 21 and 22 Montagu Street, including partial demolition and rebuilding of rear elevations, erection of a mansard roof extension to No. 21 and the rebuilding of the mews extension at the rear of No. 22 in connection with the use of the properties as 2x3 bed, 4 x 2 bed and 2 x 1 bed dwellings (Class C3).
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Progress
Application details
- Reference
- 09/06955/FULL
- Local authority
- Westminster
- Postcode
- W1H 7EX
- Ward
- BRYANSTON AND DORSET SQUARE
- Application type
- All Other
- Property type
- House
Key dates
- Decided
- 5 Jan 2010
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
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- FLAT C, 18 MONTAGU STREET, LONDON, W1H 7EXFlat or maisonette · Leasehold · £1,475,00019 months ago20 Mar 2025
- FLAT 12, 16 MONTAGU STREET, LONDON, W1H 7EXFlat or maisonette · Leasehold · £2,175,0004 years ago8 Aug 2022
- FLAT 6, 16 MONTAGU STREET, LONDON, W1H 7EXFlat or maisonette · Leasehold · Not a standard market sale · £1,250,0004 years ago23 Jun 2022
- FLAT 12, 16 MONTAGU STREET, LONDON, W1H 7EXFlat or maisonette · Leasehold · Not a standard market sale · £975,0005 years ago31 Mar 2021
- 14 MONTAGU STREET, LONDON, W1H 7EXTerraced · £5,870,0005 years ago31 Mar 2021
- FLAT 3, 16 MONTAGU STREET, LONDON, W1H 7EXFlat or maisonette · Leasehold · £788,5006 years ago17 Jan 2020
- FLAT 3, 16 MONTAGU STREET, LONDON, W1H 7EXFlat or maisonette · Leasehold · £835,00010 years ago31 Mar 2016
- 20 MONTAGU STREET, LONDON, W1H 7EXOther · Not a standard market sale · £5,500,00012 years ago8 Sept 2014
Homes here go for about £1,475,000 — the median of the last 5 market sales in W1H 7EX, £788,500 to £5,870,000.
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
- 21 Montagu Street Westminster W1H 7EXPermittedNext door
- 8A Brunswick Mews Westminster W1H 7FBPermittedNext door
- 19 Montagu Street Westminster W1H 7EXPendingNext door
- 26 Montagu Mews South Westminster W1H 7ESWithdrawnAdjoining
- Montagu Mews South City Of Westminster W1H 7ESPermittedAdjoining
- 9 Upper Berkeley Street Westminster W1H 7QAPendingAdjoining