67, 68 Grosvenor Street Westminster W1K 3JN
Erection of a single storey extension within the central courtyard with terrace on the roof; a two storey roof extension to 17 Grosvenor Hill with a terrace at fifth floor level on 17 Grosvenor Hill and 19-23 Grosvenor Hill; installation of photovoltaic panels and green roof at main roof level on both 17 Grosvenor Hill and 19-23 Grosvenor Hill; new roof-level plant enclosure to 19-23 Grosvenor Hill, all in association with the continued use of the site as Use Class E(g) offices. Including replacement of roof-level mechanical plant at 67-68 Grosvenor Street, formation of a new opening in the garden wall between 66 and 67 Grosvenor Street, works to the building facades, and landscaping enhancements to the central courtyard. (SITE INCLUDES: 66 Grosvenor Street, 67-68 Grosvenor Street and 17 and 19-23 Grosvenor Hill) (Linked to 23/07531/LBC)
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Progress
Application details
- Reference
- 23/07530/FULL
- Local authority
- Westminster
- Postcode
- W1K 3JN
- Ward
- WEW_22
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 30 Oct 2023
- Validated
- 30 Oct 2023
- Comments close
- 24 Dec 2023
- Target decision
- 25 Dec 2023
- Decided
- 2 Feb 2024
Estimated project value
£625k–£1305k
Based on the 386m² 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: 386m²
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 B, 9 - 10 AVERY ROW, LONDON, W1K 4ALFlat or maisonette · Leasehold · £865,0002 months ago3 Aug 2026
- 74 GROSVENOR STREET, LONDON, W1K 3JROther · Leasehold · Not a standard market sale · £7,597,9574 months ago22 Jun 2026
- 31 - 33 GROSVENOR HILL, LONDON, W1K 3QUOther · Leasehold · Not a standard market sale · £2,373,1154 months ago22 Jun 2026
- 70 PARK STREET, LONDON, W1K 2JTTerraced · £4,000,0004 months ago19 Jun 2026
- APARTMENT 6, 17 THREE KINGS YARD, LONDON, W1K 4JTFlat or maisonette · Leasehold · £3,950,0004 months ago8 Jun 2026
- 5A MOUNT STREET, LONDON, W1K 3NEFlat or maisonette · Leasehold · £6,400,0004 months ago5 Jun 2026
- 9 SOUTH STREET, LONDON, W1K 2XAOther · Leasehold · Not a standard market sale · £12,000,0005 months ago20 May 2026
- 7 AVERY ROW, LONDON, W1K 4ALFlat or maisonette · Leasehold · Not a standard market sale · £710,0005 months ago7 May 2026
Homes here go for about £3,975,000 — the median of the last 4 market sales in W1K (the wider postcode district), £865,000 to £6,400,000.
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
- 66 Grosvenor Street Westminster W1K 3JHWithdrawnNext door
- 66 Grosvenor Street Westminster W1K 3JHWithdrawnNext door
- 67, 68 Grosvenor Street Westminster W1K 3JNWithdrawnNext door
- 67, 68 Grosvenor Street Westminster W1K 3JNPendingNext door
- 67, 68 Grosvenor Street Westminster W1K 3JNPendingNext door
- 67, 68 Grosvenor Street Westminster W1K 3JNPermittedNext door