1 Northiam London N12 7ET Data via plota.co.uk

26/3549/FUL Pending Consideration

Proposal

Single storey side and rear extensions with associated access steps; Alterations to car park; Installation of ventilation equipment to flat roof within timber enclosure; Installation of solar panels to roof; Provision of cycle parking to front in new enclosure; New refuse store Data via plota.co.uk

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View original council record ↗Last checked 27 Oct 2026, 05:11

Street View

Application progress

✓

Received

1 Oct 2026

✓

Validated

23 Oct 2026

Decision

Expected by 18 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 5 Dec 2026 and 17 Dec 2026, from Barnet's recent extensions.

Documents 28

Statements & assessments 7

PDF ECOLOGICAL IMPACT ASSESSMEN Application Document · 1 Oct 2026 View ↗ PDF TRANSPORT STATEMENT Application Document · 1 Oct 2026 View ↗ PDF PROPOSED SITE BLOCK PLAN SHOWING EXISTING DRAINAGE Drawing · 1 Oct 2026 View ↗ PDF DRAINAGE STRATEGY Application Document · 1 Oct 2026 View ↗ PDF DESIGN AND ACCESS STATEMENT Design and Access Statement · 1 Oct 2026 View ↗ PDF NOISE IMPACT ASSESSMENT Application Document · 1 Oct 2026 View ↗ PDF PLANNING STATEMENT Planning statement · 1 Oct 2026 View ↗

Plans & drawings 19

Application forms 2

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 1 Oct 2026 View ↗ PDF COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM CIL Document · 1 Oct 2026 View ↗

All documents on the council site ↗

Site constraints 6

Article 4 direction

Article 4 Small Houses in Multiple Occupation (HMO) Area 1. Named permitted development rights are withdrawn here.

An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.

Air quality management area: Barnet AQMA

The council has declared the area as failing an air quality objective.

Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.

Council record ↗

Also on the record

Inside the Barnet built-up area; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square; Metropolitan Open Land 30 m away; Priority habitat 35 m away: Deciduous woodland.

Not affected

Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 24 October 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Other new applications on this street

15 Jul 2026Approved

39 Northiam London N12 7ET

Conversion of the existing garage into habitable room, insertion of window to re...

26/2641/192

16 Jun 2026Approved

40 Northiam London N12 7HJ

Single storey side and rear extension including 3no. flat rooflights and alterat...

26/2250/HSE

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29 Sept 2026Pending

13 Twineham Green London N12 7EP

Part single, part two storey rear extension with pitched roof and 3no. rooflight...

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23 Sept 2026Approved

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14 Sept 2026Pending

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Important details

Council: Barnet
Postcode: N12 7ET
Received: 1 Oct 2026
Validated: 23 Oct 2026
Target decision: 18 Dec 2026

Decision outlook

Day 5 of the 56-day target. Barnet usually decides extensions by day 52.

prediction

Day 551 days to the 56-day target

87%decided within 8 weeks

75%approved

1,888decided in the last year

Plota live figures for extensions decided by Barnet in the last twelve months, from validation. Barnet decision record →

Public comments

No public comments yet.

Last counted 24 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference: PP-15259780
Planning Portal ref: PP-15259780
Statutory expiry: 18 Dec 2026

Historical activity at this location

18 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved

11 Northiam London N12 7ET

Conversion of the existing garage into habitable room, insertion of window to replace gar…

25/3429/HSE 13 Oct 2025

2025

34 Northiam London N12 7HA

Single storey rear extension with a proposed depth of 3.80 metres, maximum height of 3.00…

25/3729/PNH 10 Sep 2025

2024 Approved

22 Northiam London N12 7HA

Two storey rear extension, single storey side extension including conversion of garage to…

24/4930/HSE 27 Jan 2025

2024 Approved

2 Chiddingfold London N12 7EY

Single-storey front, side and rear extension following the demolition of the existing sid…

24/2792/HSE 27 Aug 2024

2024 Approved

2 Chiddingfold London N12 7EY

Roof extension including hip to gable to both sides, rear dormer window with juliette bal…

24/2851/192 12 Aug 2024

2021 Approved

3 Chiddingfold London N12 7EX

Single storey front extension. Part single part two story side and rear extension followi…

21/6140/HSE 28 Sep 2022

2021 Approved

9 Chiddingfold London N12 7EX

Roof extension involving hip to gable with rear dormer window

21/0125/192 17 Feb 2021

2020 Approved

9 Chiddingfold London N12 7EX

Part Single and part two storey side and rear extension. Front porch extension and conver…

20/5010/HSE 28 Jan 2021

2020 Approved

3 Chiddingfold London N12 7EX

Two storey side and rear extension following demolition of existing conservatory, garage…

20/0427/HSE 8 Apr 2020

2019 Approved

3 Chiddingfold London N12 7EX

Two storey side and rear extension following demolition of existing conservatory, garage…

19/3997/HSE 18 Sep 2019

2017 Approved

8 Northiam London N12 7EU

Demolition of existing single storey rear extension and construction of a new Single stor…

17/6270/HSE 28 Nov 2017

2017 Approved

8 Northiam London N12 7EU

Roof extension involving hip to gable, rear dormer window, 2no. rooflights to front and n…

17/6269/192 17 Oct 2017

2016 Approved

3 Chiddingfold London N12 7EX

Two storey side and rear extension following demolition of existing conservatory, garage…

16/7443/HSE 18 Jan 2017

2016 Approved

12 Northiam London N12 7EU

Single storey rear/side extension following the demolition of the existing garage

16/3005/HSE 4 Jul 2016

2016 Approved

12 Northiam London N12 7EU

Roof extension involving hip to gable, rear dormer window with 3no. rooflights to front e…

16/2913/192 27 May 2016

2016 Approved

10 Northiam London N12 7EU

Single storey rear extension with a proposed depth of 4 metres from original rear wall, e…

16/2332/PNH 12 May 2016

2016 Approved

5 Chiddingfold London N12 7EX

Single storey side and rear extension

16/1261/HSE 12 Apr 2016

2016 Refused

10 Northiam London N12 7EU

Single storey rear extension with a proposed depth of 5 metres from original rear wall, e…

16/1882/PNH 4 Apr 2016

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 statistics

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