40 Lancaster Road Barnet EN4 8AP Data via plota.co.uk

26/2805/192 - Proposed Lawful Development Certificate Approved

Proposal

Single storey rear extension. Roof extension involving hip to gable, rear dormer window with juliette balcony, 2no side rooflights and new side windows. Erection of a rear outbuilding Data via plota.co.uk

Track application Save this application and get an email when its status or decision changes. Alerts nearby Get email alerts for new planning applications near this address.

View original council record ↗

Application progress

✓

Received

29 Jul 2026

✓

Validated

30 Jul 2026

✓

Approved

13 Aug 2026

Approved on 13 Aug 2026 · Delegated Decision · Last checked 14 Aug 2026

Documents 5

Work with planning data? Every application in Barnet - and every UK council - as a live feed or API. About Plota's data service

Other new applications on this street

32 Lancaster Road Barnet EN4 8AP

Erection of outbuilding in rear garden following demolition of existing outbuild...

26/2485/HSE - 1 Jul 2026

151 Lancaster Road Barnet EN4 8AJ

Changes to fenestration; installation of new rear sliding doors, replacement of ...

26/2833/192 - 31 Jul 2026

65 - 67 Lancaster Road Barnet EN4 8AS

Installation of 1no. internally illuminated and 2no. non-illuminated fascia sign...

26/1805/ADV - 13 May 2026

Nearby new applications

11 Church Hill Road Barnet EN4 8SY

Single storey rear extension (Retrospective Application)

26/2940/RCU - 7 Aug 2026

17 Lyonsdown Avenue Barnet EN5 1DU

Single storey front/side extension following demolition of the existing garage a...

26/2929/HSE - 7 Aug 2026

151 Lancaster Road Barnet EN4 8AJ

Changes to fenestration; installation of new rear sliding doors, replacement of ...

26/2833/192 - 31 Jul 2026

91 Crescent Road Barnet EN4 9RQ

Conversion and extension of the existing garage. Changes to rear fenestration an...

26/2796/HSE - 29 Jul 2026

10 Caddington Close Barnet EN4 9QH

1 x Willow (applicants ref. T1) - Remove split branch and reduce height of remai...

TPP/0436/26 - 27 Jul 2026

24 Margaret Road Barnet EN4 9NT

Single storey side and rear extension with new rooflight and access steps follow...

26/2735/HSE - 24 Jul 2026

Important details

Council: Barnet
Application type: Proposed Lawful Development Certificate
Postcode: EN4 8AP
Received: 29 Jul 2026
Validated: 30 Jul 2026
Ward: East Barnet
Case officer: Show
Target decision: 24 Sept 2026
Decision: Lawful
Decision date: 13 Aug 2026
Decision level: Delegated Decision
Applicant: Show
Agent: HK Architects

Public comments

No public comments yet.

Last counted 14 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference: PP-15115162

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