48 Fitzroy Street 21-23 Grafton Mews Camden W1T 5BS
Replacement of 2nd floor mansard storey at 21-23 Grafton Mews by new brick built roof extension plus 2nd floor rear extension and external alterations to fenestration at front and rear, and changes in fenestration to rear of 48 Fitzroy Street, all associated with the change of use of the second floor flat at Grafton Mews to Class B1 offices and the change of use of the basement and ground floor offices at 48 Fitzroy Street to a 2 bed maisonette (Class C3).
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Progress
Application details
- Reference
- 2017/4915/P
- Local authority
- Camden
- Postcode
- W1T 5BS
- Ward
- Bloomsbury (Pre May 2022)
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 1 Sept 2017
- Validated
- 1 Sept 2017
- Comments close
- 23 Nov 2017
- Target decision
- 12 Jan 2018
- Decided
- 12 Jan 2018
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. 3 recent sales are listed below.
- FLAT 3, 48 FITZROY STREET, LONDON, W1T 5BSFlat or maisonette · Leasehold · £780,00018 months ago28 Feb 2025
- FLAT 2, 48 FITZROY STREET, LONDON, W1T 5BSFlat or maisonette · Leasehold · £732,50022 months ago16 Oct 2024
- FLAT 1, 48 FITZROY STREET, LONDON, W1T 5BSFlat or maisonette · Leasehold · £775,00023 months ago23 Sept 2024
- FLAT 4, 48 FITZROY STREET, LONDON, W1T 5BSFlat or maisonette · Leasehold · £1,550,0002 years ago19 Apr 2024
Homes here go for about £777,500 — the median of the last 4 market sales in W1T 5BS, £732,500 to £1,550,000.
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
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