57 Mowbray Road Edgware HA8 8JL Data via plota.co.uk

26/1388/FUL - Full Application Refused

Proposal

Part single, part two storey side and rear extensions including conversion of the existing garage into habitable room, insertion of window to replace the garage door. Installation of lantern to rear. Raised terrace area with associated balustrades and external stairs to garden level. Raised trellis fencing alongside shared boundary. Formation of basement level. New front porch. Roof extension involving rear dormer window and 3no. front facing rooflights. Conversion into 2no. self-contained dwellings. Associated amenity space, refuse storage, cycle store, and off-street parking. (Part Retrospective) Data via plota.co.uk

View original council record ↗

Application progress

Received
16 Apr 2026
Validated
20 Apr 2026
Consultation
30 Apr 2026
Refused
29 Jun 2026
Appeal
Not lodged

Refused on 29 Jun 2026 · Delegated Decision · Last checked 7 Jul 2026

Important details

Council
Barnet
Application type
Full Application
Postcode
HA8 8JL
Received
16 Apr 2026
Validated
20 Apr 2026
Ward
Edgwarebury
Case officer
Show
Target decision
15 Jun 2026
Decision
Refuse
Decision date
29 Jun 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Henry Planning Ltd

Consultation & key dates

Alt. reference
PP-14861245
Site notice
30 Apr 2026
Barnet
Planning Authority Score
6.2/10
Average
#90 of 296 councils
Relevant to this application:
Householder decisions

Barnet is faster than most councils at deciding householder applications, ranking #42 out of 296. Only 25% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Barnet is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.

One of the strictest councils
only 82% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Barnet decision performance
Based on MHCLG data, the year to March 2026
75%
Overall approval rate
Below avg (87%) #285 of 296
82%
Householder approved
Below avg (90%) #264 of 296
79%
Decided in 8 weeks
Above avg (63%) #42 of 296
25%
Extended time limit
Below avg (41%) #29 of 296
55%
Minor dwellings approved
319 decided (1-9 homes)
90%
Major dwellings approved
21 decided (10+ homes)
41%
Change of use approved
132 decided
2,541
Total decisions
625 refused in the year to March 2026