Greater London - Last 12 months - Updated 24 April 2026

Lambeth Planning Permission Data

Last 12 months

509planning applications approved in Lambeth

This page summarises planning permission data for Lambeth covering the last 12 months. Postyx aggregates approval data from Lambeth's public planning portal to help UK builders identify local opportunities. Data is updated daily.

Top project types

Share of the 509 approvals by category

Monthly trend

Approvals per month over the last 12 months

Full breakdown

Project type	Count	% of total
New Build / Development	218	42.8%
Planning Application	203	39.9%
Major Extension / Remodel	45	8.8%
Loft / Conversion	37	7.3%
Outbuilding / Minor	6	1.2%

Project types in Lambeth

Rear Extension

10-16 weeks

Loft Conversion

8-12 weeks

Side Return Extension

10-14 weeks

Basement Conversion

20-36 weeks

Garage Conversion

3-6 weeks

Conservatory / Orangery

4-10 weeks

New Build House / Self-Build

32-60 weeks

Commercial Conversion / Mixed Use

12-40 weeks

Want the actual addresses of these 509 planning approvals?

Postyx gives UK builders access to the full list of Lambeth planning permissions - including property addresses, application references, and decision dates - so you can send personalised physical letters to homeowners at the moment they need you.

Data aggregated from Lambeth's public planning portal. Individual application details are available to verified builders only.