30, 31 Golden Square Westminster W1F 9LD
Alterations including partial infilling of rear courtyard on basement and ground floors, rear extensions on first to fifth floors and at sixth floor roof extension with plant enclosure, roof terrace and green roof above all to provide additional office accommodation (Class B1); new balconies/terraces at front fourth, fifth and seventh floor levels and rear first, sixth and seventh floor levels. Flexible use of part basement and part ground floor for either retail / office/ gym use (Class A1/ B1/ D2), provision of cycle parking and associated external alterations.
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Progress
Application details
- Reference
- 19/02404/FULL
- Local authority
- Westminster
- Postcode
- W1F 9LD
- Ward
- WEA_02
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 1 Apr 2019
- Validated
- 1 Apr 2019
- Comments close
- 8 May 2019
- Target decision
- 27 May 2019
- Decided
- 1 Jul 2019
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.
- FLAT 12, CITY OF WESTMINSTER DWELLINGS, 20 MARSHALL STREET, LONDON, W1F 7ERFlat or maisonette · Leasehold · Not a standard market sale · £483,0005 months ago31 Mar 2026
- FLAT 15, CITY OF WESTMINSTER DWELLINGS, 20 MARSHALL STREET, LONDON, W1F 7ERFlat or maisonette · Leasehold · Not a standard market sale · £395,0008 months ago10 Dec 2025
- 40 - 42 LEXINGTON STREET, LONDON, W1F 0LNOther · Leasehold · Not a standard market sale · £250,0009 months ago14 Nov 2025
- FLAT 5, 97 WARDOUR STREET, LONDON, W1F 0UFFlat or maisonette · Leasehold · Not a standard market sale · £590,00010 months ago31 Oct 2025
- FLAT 7.6, STIRLING COURT MARSHALL STREET, LONDON, W1F 9BDFlat or maisonette · Leasehold · Not a standard market sale · £735,00011 months ago12 Sept 2025
- 7A LIVONIA STREET, LONDON, W1F 8AEOther · Not a standard market sale · £41,000,00011 months ago10 Sept 2025
- FLAT 6, SANDRINGHAM COURT DUFOURS PLACE, LONDON, W1F 7SLFlat or maisonette · Leasehold · £850,00012 months ago29 Aug 2025
- FLAT 1-3, 74 WARDOUR STREET, LONDON, W1F 0TEOther · Leasehold · Not a standard market sale · £1,795,00012 months ago22 Aug 2025
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
- 30, 31 Golden Square Westminster W1F 9LDPermittedNext door
- 30, 31PendingNext door
- 30, 31 Golden Square Westminster W1F 9LDPermittedNext door
- 30, 31 Golden Square Westminster W1F 9LDPermittedNext door
- 30, 31 Golden Square Westminster W1F 9LDPermittedNext door
- 30, 31 Golden Square Westminster W1F 9LDPermittedNext door