12 Marshalsea Road London Borough of Southwark
Non-Material Amendment for planning permission 21/AP/1935 dated 23/09/2021 for Variation of condition 2 of original application ref. 16/AP/1767 (Extension of the existing mansard roof to create a full storey (6th floor) to match the buildings below and the erection of a new mansard roof above, together with the change of use of part of the ground floor accommodation at no.14 from an office (Use Class B1(a)) to a cafe (Use Class A1/A3) and the change of use of the first, second, third, fourth and fifth floors of no.14 from offices (Use Class B1(a)) to 5 x two bedroom flats and the use of the new roof level accommodation as 2 x one bedroom flats; together with refuse and cycle storage at ground floor level.) by providing Juliette balconies on the Disney Place elevation, Reconfiguration of the 6th floor units to provide an additional bedroom within each flat, Amendments to the design of the 6th floor, Amendments to the window openings at 4th, 5th and 6th floor, Formation of a roof terrace and Installation of plant to the roof. Three amendments are proposed Reconfiguration of fenestration to the rear elevation; Additional window to Disney Place elevation of upper floor; and Aluminium capping to parapet.
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Progress
Application details
- Reference
- 24/AP/1229
- Local authority
- Southwark
- Ward
- BOBA
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 1 May 2024
- Validated
- 1 May 2024
- Target decision
- 28 May 2024
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.
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