Westminster
Demolition and rebuild of the northern (facing Hereford Street), eastern (facing Carrington Street Car Park) and southern (facing Park Lane Garages) facades. Demolition of existing plant rooms at sixth and seventh floor level. Erection of roof extension over sixth and seventh floors. Erection of an extension from basement to new seventh floor level with new balconies/terraces at fifth to seventh floor level fronting onto Hertford Street and from first to seventh floor levels to the rear, alterations to stair and lift enclosures on the eastern boundary of the site, reconfiguration of the internal layout, creation of front lightwell on Hertford Street frontage in connection with provision of additional office floorspace (Class B1) and two additional residential units (Class C3). Installation of an air conditioning unit within the rear ground floor terrace with further plant concealed behind grilles on the eastern elevation at second and third floor level.
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Progress
Application details
- Reference
- 19/02300/FULL
- Local authority
- Westminster
- Ward
- WEC_02
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 24 Jun 2019
- Validated
- 24 Jun 2019
- Comments close
- 1 May 2019
- Target decision
- 19 Aug 2019
- Decided
- 19 Jul 2019
Estimated project value
£28k–£75k
Typical UK cost for this job type, at UK average rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.
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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- 7 Hertford Street Westminster W1J 7RJUnknownNext door
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- 7 Hertford Street Westminster W1J 7RJRefusedNext door
- 7 Hertford Street Westminster W1J 7RJPermittedNext door
- 7 Hertford Street Westminster W1J 7RJPermittedNext door