26/1297/HSE.
40 Oakleigh Avenue London N20 9JJ
Householder at 40 Oakleigh Avenue London N20 9JJ, received 7 Apr 2026 — approved on 3 Jun 2026 (delegated, Tina Oliveira).
What is it?
Roof extension involving hip to gable, 3no. rear box dormers with juliette balcony to middle dormer, 3no. front facing rooflights and new side gable window
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What was filed?
No documents are recorded for this application.
Documents open on the Barnet portal (the portal needs its documents tab opened first — the link handles that). View the application page ↗
What happened?
Approved on 3 Jun 2026, delegated decision by Tina Oliveira — 8 weeks from submission.
Timeline
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Public response
Who is involved?
What affects it?
Context around the site — not part of this application. Designations over the site: use the map's designations filter (conservation areas, listed buildings, Article 4, flood risk …). Decisions within 250 metres of the site are listed below — context, not this application.
Other applications within 250 metres (context — nearby, not this application)
No other geocoded decision is recorded within 250 metres.