Approved at second round by Southwark Council in 18 weeks.
A family in Camberwell approached us for wrap-around extension on a georgian villas property. Constraints: respecting streetscape rhythm typical of Southwark, maintaining rear garden depth, and meeting Southwark Council's design expectations for the conservation context (43 conservation areas borough-wide).
Measured survey week 1. Three design iterations balancing internal layout against external massing visible from neighbours. Two scheme massings tested against Southwark Council's adopted design guidance. Chosen scheme matched existing roof pitch, used matching brick, set the new opening back from the eaves.
Submitted to Southwark Council via the Planning Portal. With Article 4 in force in Southwark, we confirmed our scheme retained the necessary permissions before submission. Officer comments minor, addressed in 5 days. Approved at second round.
Decision recorded Southwark Council, statutory determination period.

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Every Camberwell postcode district we draw in, the stock that dominates it and the authority that validates a house extensions there. Camberwell fees below are the statutory England rates for 2026, not house extensions estimates.
| Postcode | Area | Dominant stock | What it means for a house extensions |
|---|---|---|---|
| SE5 | Camberwell | Georgian villas, Victorian terraces | SE5 straddles a boundary: Camberwell addresses fall to Southwark Council or Lambeth Council, so confirm which authority validates the house extensions before submitting SE5 drawings. |
| SE1 | Bermondsey | Warehouse conversions, Georgian terraces, new-build | Neighbouring Bermondsey, where house extensions work is handled by the same Southwark Council case officers. |
| SE1 | Borough | Georgian and Victorian terraces, warehouse conversions | Neighbouring Borough, where house extensions work is handled by the same Southwark Council case officers. |
| SE15 | Peckham | Victorian terraces, post-war estates | Neighbouring Peckham, where house extensions work is handled by the same Southwark Council case officers. |
| SE21 | Dulwich Village | Georgian villas, Edwardian villas (Dulwich Estate) | Neighbouring Dulwich Village, where house extensions work is handled by the same Southwark Council case officers. |
| SE22 | East Dulwich | Victorian and Edwardian terraces | Neighbouring East Dulwich, where house extensions work is handled by the same Southwark Council case officers. |
| SE16 | Rotherhithe | Warehouse conversions, post-war estates, new-build | Neighbouring Rotherhithe, where house extensions work is handled by the same Southwark Council case officers. |
| SE1 | Elephant and Castle | Post-war estates, new-build towers | Neighbouring Elephant and Castle, where house extensions work is handled by the same Southwark Council case officers. |
| SE15 | Nunhead | Victorian terraces | Neighbouring Nunhead, where house extensions work is handled by the same Southwark Council case officers. |
Roof pitch, wall build-up and plot depth change every few Camberwell streets, and each one changes what a house extensions can achieve at that address.
Conservation areas covering Camberwell: Southwark Council runs 43, and Dulwich Village, Peckham Rye, Borough are the ones Camberwell owners meet most. A house extensions inside a Camberwell conservation area loses permitted development, so the Camberwell submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Camberwell Grove a house extensions is judged on the street elevation first.
What Article 4 removes near Camberwell: Article 4 for HMOs borough-wide; additional Article 4 for office-to-residential in Bermondsey and Elephant & Castle. Before pricing a house extensions we check whether the SE5 address is inside the mapped area, because Southwark Council draws the Camberwell boundary street by street rather than across the whole of Camberwell.
What Camberwell is built from: Georgian and Regency in Bermondsey and Borough; Victorian terraces in Camberwell and Peckham; Dulwich Estate controlled housing; riverside new-build. Dulwich Estate private planning scheme affects much of SE21 and SE22; Southwark planning for rest of borough; strong heritage context. That mix decides the house extensions route in Camberwell more than the postcode does.
Sources for this Camberwell house extensions page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.
Same MCIAT team. Same approval discipline.
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