Forum Magnum Square London Borough of Lambeth SE1 7GN
Temporary change of use (for 5 years) from Residential (Use Class C3) to Office (Use Class E) (Flat G01).
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Progress
Application details
- Reference
- 20/04226/FUL
- Local authority
- Lambeth
- Postcode
- SE1 7GN
- Ward
- BISHOP
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 4 Dec 2020
- Validated
- 4 Dec 2020
- Comments close
- 1 Jan 2021
- Target decision
- 29 Jan 2021
- Decided
- 8 Jan 2021
Estimated project value
£21k–£135k
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: trade estimate.
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.
- APARTMENT 109, EAST BLOCK FORUM MAGNUM SQUARE, LONDON, SE1 7GNFlat or maisonette · Leasehold · £700,0002 months ago7 Aug 2026
- APARTMENT 511, EAST BLOCK FORUM MAGNUM SQUARE, LONDON, SE1 7GNFlat or maisonette · Leasehold · £675,0006 months ago17 Apr 2026
- APARTMENT 311, EAST BLOCK FORUM MAGNUM SQUARE, LONDON, SE1 7GNFlat or maisonette · Leasehold · £1,495,0002 years ago2 Aug 2024
- APARTMENT 502, EAST BLOCK FORUM MAGNUM SQUARE, LONDON, SE1 7GNFlat or maisonette · Leasehold · £800,0003 years ago31 Jan 2023
- APARTMENT 606, EAST BLOCK FORUM MAGNUM SQUARE, LONDON, SE1 7GNFlat or maisonette · Leasehold · £460,0003 years ago27 Jan 2023
- APARTMENT 116, EAST BLOCK FORUM MAGNUM SQUARE, LONDON, SE1 7GNOther · Leasehold · Not a standard market sale · £812,5004 years ago7 Oct 2022
- APARTMENT 208, EAST BLOCK FORUM MAGNUM SQUARE, LONDON, SE1 7GNFlat or maisonette · Leasehold · £580,0005 years ago29 Mar 2021
- APARTMENT 406, EAST BLOCK FORUM MAGNUM SQUARE, LONDON, SE1 7GNFlat or maisonette · Leasehold · Not a standard market sale · £535,0005 years ago27 Nov 2020
Homes here go for about £687,500 — the median of the last 6 market sales in SE1 7GN, £460,000 to £1,495,000.
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
- DEVELOPMENT CONTROL PSEUDO STREET London Borough of Lambeth SE1 7GLPermittedNext door
- 1C Belvedere Road Lambeth SE1 7GFPermittedAdjoining
- North Block Belvedere Road Lambeth SE1 7GHPermittedAdjoining
- NORTH BLOCK, COUNTY HALL CHICHELEY STREET Lambeth SE1PermittedAdjoining
- 1 Chicheley Street London Borough of Lambeth SE1 7PYRefused44 yd
- 5 Chicheley Street London Borough of LambethWithdrawn46 yd