Greater London - Last 12 months - Updated 24 April 2026

Barnet Planning Permission Data

Last 12 months

602planning applications approved in Barnet

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

Top project types

Share of the 602 approvals by category

Monthly trend

Approvals per month over the last 12 months

Full breakdown

Project type	Count	% of total
Major Extension / Remodel	300	49.8%
Planning Application	189	31.4%
New Build / Development	60	10.0%
Loft / Conversion	42	7.0%
Outbuilding / Minor	11	1.8%

Project types in Barnet

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 602 planning approvals?

Postyx gives UK builders access to the full list of Barnet 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 Barnet's public planning portal. Individual application details are available to verified builders only.