12 Grove Lane London Borough of Southwark SE5 8SY
Certificate of lawfulness (proposed) for the erection of a mansard roof loft conversion
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Progress
Application details
- Reference
- 25/AP/2959
- Local authority
- Southwark
- Postcode
- SE5 8SY
- Ward
- CAGR
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 14 Oct 2025
- Validated
- 14 Oct 2025
- Target decision
- 8 Dec 2025
Estimated project value
£49k–£100k
Based on the 30.0m² 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: 30m² · 1 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- FLAT C, 8 GROVE LANE, LONDON, SE5 8SYFlat or maisonette · Leasehold · £411,1579 months ago23 Jan 2026
- FLAT 2, 2A GROVE LANE, LONDON, SE5 8SYFlat or maisonette · Leasehold · £425,5003 years ago27 Oct 2023
- FLAT C, 8 GROVE LANE, LONDON, SE5 8SYFlat or maisonette · Leasehold · £360,0003 years ago3 Apr 2023
- FLAT A, 14 GROVE LANE, LONDON, SE5 8SYFlat or maisonette · Leasehold · £480,0007 years ago6 Sept 2019
- FLAT C, 8 GROVE LANE, LONDON, SE5 8SYFlat or maisonette · Leasehold · £332,5007 years ago14 Dec 2018
- FLAT 2, 2A GROVE LANE, LONDON, SE5 8SYFlat or maisonette · Leasehold · £435,0009 years ago25 Nov 2016
- FLAT C, 14 GROVE LANE, LONDON, SE5 8SYFlat or maisonette · Leasehold · £380,00011 years ago3 Sept 2015
- GROUND FLOOR, 4 GROVE LANE, LONDON, SE5 8SYOther · Leasehold · Not a standard market sale · £7,00011 years ago15 Dec 2014
Homes here go for about £411,157 — the median of the last 7 market sales in SE5 8SY, £332,500 to £480,000.
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
- 12E Grove Lane London Borough of Southwark SE5 8SYRefusedNext door
- 12 Grove Lane London Borough of Southwark SE5 8SYPermittedNext door
- 12 Grove Lane London Borough of Southwark SE5 8SYRefusedNext door
- 14C Grove Lane London Borough of Southwark SE5 8SYPermittedNext door
- London Borough of Southwark SE5 8SYPermittedNext door
- London Borough of SouthwarkRefusedNext door