Coverage Lambeth

Rear extension planning permission in Lambeth: what actually gets approved

Decided by Lambeth between September 2026 and October 2026. Every figure here is a count of decisions on the council's own register — not a prediction about yours.

Rear extensions decided by Lambeth

74%

of 39 decisions approved

Counting decisions that went one way or the other.

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74% of the 39 rear extensions Lambeth decided between September 2026 and October 2026 were approved; half were decided within 56 days. Plan Forecast, 4 November 2026.

Time to decide: half were decided within 56 days, counted from the day the application was valid (or received, where the register gives no valid date) over the 39 decisions with both dates.

Recent decisions

Real decisions, newest first. Addresses are reduced to the street here; the council publishes them in full on its own register.

Winterwell Road London

Approved

Erection of a single storey ground floor rear extension, following the removal of the existing ground floor rear extension; installation of a pergola; alterations to the fenestration including the replacement and enlargement of the existing ground floor rear door opening and the installation of a ground floor window to the side of the rear return.

Decided 30 October 2026 26/02555/FUL

Romola Road London

Approved

Erection of a single storey ground floor rear extension. Alteration to fenestration involving the replacement and enlargement of existing ground floor rear window and the installation of pergola.

Decided 30 October 2026 26/02561/FUL

Northbourne Road London

Approved

Erection of a side lower-ground-floor rear extension, three storey rear extension, upward extension of the existing closet wing, and amalgamation of the lower-ground-floor-flat with the main dwelling to re-establish the property as a single dwelling (Use Class C3).

Decided 29 October 2026 26/02390/FUL

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Other work in Lambeth

Questions people ask

What percentage of rear extensions does Lambeth approve?

74% were approved, over 39 decisions that went one way or the other. Lambeth's figure across all types of work is drawn from 246 decisions.

How many rear extensions has Lambeth decided?

39 that went one way or the other, from September 2026 to October 2026.

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