18 Cromwell Grove Hammersmith & Fulham W6 7RG
Demolition of the existing roof and erection of a new replacement roof comprising of a side dormer roof extension involving an increase in the ridge height by 350mm together with 1no rooflight in the front roofslope and 1no rooflight above the main flat roof at roof level; erection of a rear extension at third floor level, on top of the existing back addition; replacement of the existing window with a door to the rear elevation and to the side of upper ground floor back addition; alterations to the roof of lower ground floor back addition to include the replacement of existing rooflight with a walk on flat rooflight and erection of railings around the flat roof in connection with the formation of a roof terrace; increasing the height of part of the rear garden fencing facing eastern elevation; reconfiguration of the rear garden, including the partial lowering of the raised section of the garden, together with associated hard and soft landscaping works.
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Progress
Application details
- Reference
- P/2026/02134/HH
- Local authority
- Hammersmith and Fulham
- Postcode
- W6 7RG
- Ward
- Addison
- Application type
- Householder
- Property type
- Flat
Key dates
- Submitted
- 1 Sept 2026
- Validated
- 1 Sept 2026
- Comments close
- 30 Sept 2026
- Target decision
- 27 Oct 2026
Estimated project value
£45k–£94k
Based on the 27.7m² 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: 27.7m² · 1 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- FLAT D, 30 CROMWELL GROVE, LONDON, W6 7RGFlat or maisonette · Leasehold · £506,00017 months ago31 Mar 2025
- 28B CROMWELL GROVE, LONDON, W6 7RGFlat or maisonette · Leasehold · £435,00021 months ago29 Nov 2024
- FLAT E, 30 CROMWELL GROVE, LONDON, W6 7RGFlat or maisonette · Leasehold · £450,0002 years ago5 Jul 2024
- 42 CROMWELL GROVE, LONDON, W6 7RGTerraced · £2,275,0002 years ago15 Apr 2024
- FLAT E, 28 CROMWELL GROVE, LONDON, W6 7RGFlat or maisonette · Leasehold · £450,0002 years ago9 Oct 2023
- FLAT C, 30 CROMWELL GROVE, LONDON, W6 7RGFlat or maisonette · Leasehold · £555,0003 years ago22 Dec 2022
- 20 CROMWELL GROVE, LONDON, W6 7RGTerraced · £3,495,0004 years ago30 Jun 2022
- FLAT 3, 32 CROMWELL GROVE, LONDON, W6 7RGFlat or maisonette · Leasehold · £500,0004 years ago25 Nov 2021
Homes here go for about £503,000 — the median of the last 8 market sales in W6 7RG, £435,000 to £3,495,000.
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.
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