London Borough of Southwark
Non-material amendment of planning permission 25/AP/2241 dated 11.12.2025 for 'Cladding remediation and associated fire safety works comprising the replacement of existing combustible soffit insulation with non-combustible mineral wool insulation; removal of existing aluminium-faced cladding panels and installation of new aluminium-faced panels with a PPC finish to closely match the existing colour and appearance; replacement of existing timber balcony decking with non-combustible aluminium decking at all levels; enlargement of the service riser hatch at ground floor level (adjacent to the Tantallon House entrance); and, for Porchester House only, replacement of the existing external cladding system and fixed louvre vents with a like-for-like non-combustible unitised aluminium cladding system and vents, together with replacement of existing casement windows with new double-glazed aluminium casement windows to match the existing frame colour and fenestration.' NMA sought to amend the description of development to: 'Cladding remediation and associated fire safety works comprising the replacement of existing combustible soffit insulation with non-combustible mineral wool insulation; removal of existing aluminium-faced cladding panels and installation of new aluminium-faced panels with a PPC finish to closely match the existing colour and appearance; replacement of existing timber balcony decking with non-combustible aluminium decking at all levels; enlargement of the service riser hatch at ground floor level (adjacent to the Tantallon House entrance); and, for Porchester House only, replacement of the existing external cladding system with a like-for-like non-combustible aluminium cladding system'
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Progress
Application details
- Reference
- 26/AP/0684
- Local authority
- Southwark
- Ward
- NWAL
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 13 Mar 2026
- Validated
- 13 Mar 2026
- Target decision
- 9 Apr 2026
- Decided
- 19 Mar 2026
Estimated project value
£3k–£12k
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: trade estimate.
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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