12 Lawrence Court London NW7 3QP Data via plota.co.uk

26/3581/PNH - Prior Notification (Householder) Pending Consideration
Extensions & alterations

Proposal

Single storey rear extension with a proposed depth of 8 metres, maximum height of 3 metres and eaves height of 3 metres. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
5 Oct 2026
✓
Consultation
5 Oct 2026
Decision
Expected by 16 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 18 Nov 2026 and 29 Nov 2026, from Barnet's recent extensions.

Comments are open until 28 Oct 2026

Comment on this application ↗

Documents 7

Statements & assessments 1

PDF FLOOD RISK ASSESSMENT Application Document · 3 Oct 2026 View ↗

Plans & drawings 5

PDF THE LOCATION PLAN Site Location Plan · 3 Oct 2026 View ↗ PDF LAYOUT PLAN - EXISTING Drawing · 3 Oct 2026 View ↗ PDF LAYOUT PLAN - PROPOSED Drawing · 3 Oct 2026 View ↗ PDF EXISTING BLOCK PLAN OF THE SITE Block plan · 3 Oct 2026 View ↗ PDF PROPOSED BLOCK PLAN OF THE SITE Block plan · 3 Oct 2026 View ↗

Application forms 1

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 3 Oct 2026 View ↗

All documents on the council site ↗

Site constraints 5

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 Named permitted development rights are withdrawn here.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
Protected tree 14 m away: The London Borough of Barnet (11 and 12 Lawrence Court, Mill Hill, N.W.7) Tree Preservation Order 1972 made under The To, order TPO/CA/40; Inside the Barnet built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 6 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.

Sales history 1

Last sold for £2,200,000 in November 2025. Detached house, freehold.

21 November 2025£2,200,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area280 m² (3,014 sq ft)
Energy ratingD (60 out of 100), could reach C
PropertyDetached house, 10 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in March 2024, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Barnet
Application type
Prior Notification (Householder)
Postcode
NW7 3QP
Received
5 Oct 2026
Validated
5 Oct 2026
Ward
Mill Hill
Case officer
Show
Target decision
16 Nov 2026
Applicant
Show
Agent
4H Architecture

Decision outlook

Day 4 of the 56-day target. Barnet usually decides extensions by day 52.

Day 452 days to the 56-day target
87%decided within 8 weeks
75%approved
1,752decided 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.

1 neighbour consulted · Last counted 6 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15255197
Planning Portal ref
PP-15255197
Neighbours
5 Oct 2026
Consultation
5 Oct 2026
Comments by
28 Oct 2026
Statutory expiry
16 Nov 2026

Historical activity at this location

30 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2023 Approved
1 x Lombardy Poplar (applicants ref. T1) - Pollard to points of previous pollarding, at a…
TPP/0607/23
2021 Approved
1 x Cedar (applicant's ref. T1) - Reduce branch extremities by 1-2m (not beyond points of…
TPP/0813/21
2017 Approved
1 x Cedar - Reduce longest lateral limbs by 3m, Reduce height by 1m and shape rest of the…
TPP/0912/17
2017 Approved
1 x Oak (applicant's ref. T1) - Remove low branch growing over road. T5 of Tree Preservat…
TPP/0573/17
2016 Approved
Submission of details for condition 5 (Temporary Tree Protection) pursuant to planning pe…
16/0917/CON
Within ~100m

Nearby activity

2025 Refused
10 Weymouth Avenue London NW7 3JE
Part single, part two storey rear extension with alterations to the existing patio area a…
25/4865/HSE
2025 Approved
11 Newcombe Park London NW7 3QN
Roof extension involving side/rear wraparound dormer with juliette balcony and 2no. front…
25/4401/192
2025 Refused
3A Newcombe Park London NW7 3QN
Change of use from C3 (Residential) to short-term/self-catering accommodation (C1/Sui Gen…
25/4172/FUL
2025
17 Newcombe Park London NW7 3QN
Single storey rear extension and patio. Single storey side extension. Garage conversion w…
25/5069/HSE
2025
11 Lawrence Court London NW7 3QP
Single storey rear extension. Conversion of the existing garage to habitable room, insert…
25/4158/192
2025
11 Lawrence Court London NW7 3QP
Single storey rear extension. Conversion of the existing garage to habitable room, insert…
25/3783/192
2024 Approved
6 Lawrence Court London NW7 3QP
Single storey rear extension with associated patio area and access steps. Alteration to t…
24/2802/HSE
2023 Approved
58 Millway London NW7 3RA
Alterations to the roof of the existing single storey utility including the replacement a…
23/5040/HSE
2023 Approved
44 Millway London NW7 3RA
Single storey side extension following demolition of existing garage. Alterations to roof…
23/3018/HSE
2022 Approved
3 Newcombe Park London NW7 3QN
Conversion of existing 2no self-contained flat into single family dwelling. New front por…
22/2967/FUL
2021 Approved
56 Millway London NW7 3RA
Installation of 1no. lantern rooflight to flat roof of single storey rear extension to re…
21/3717/HSE
2021 Approved
49 Millway London NW7 3QT
Single storey rear extension with a proposed depth of 6 metres from original rear wall, e…
21/2496/PNH
2021 Approved
49 Millway London NW7 3QT
Roof extension involving hip to gable, rear dormer window including juliette balcony and…
21/2495/192
2021 Approved
11 Lawrence Court London NW7 3QP
1 x Cherry plum (applicant's ref. T1) - Reduce crown by 2.5m on height and 1.5m on width…
TPP/0302/21
2020 Approved
9 Lawrence Court London NW7 3QP
Single storey rear extension
20/6324/HSE
2020 Approved
11 Newcombe Park London NW7 3QN
Single storey side infill extension
20/6292/HSE
2020 Approved
3 Lawrence Court London NW7 3QP
Part single, part two storey side and rear extension to include new garage following part…
20/4520/HSE
2020 Refused
73 Millway London NW7 3QT
Single storey rear extension with a proposed depth of 6.07 metres from original rear wall…
20/4051/PNH
2020 Approved
5 Lawrence Court London NW7 3QP
Ground floor side infill extension to provide a utility room; new pitched roof to side ex…
20/2510/HSE
2020 Approved
19 Newcombe Park London NW7 3QN
Single storey front and rear extension. Conversion of the existing garage into habitable…
20/2412/HSE
2017 Approved
11 Newcombe Park London NW7 3QN
Roof extension involving hip to gable, rear dormer window with juliette balcony, 2no rear…
17/5308/192
2017 Approved
3 Newcombe Park London NW7 3QN
Conversion of existing 2no self-contained flat into single family dwelling. New front por…
17/4378/FUL
2016 Approved
56 Millway London NW7 3RA
Roof extension involving hip to gable, rear dormer window with juliette balcony, 3no. roo…
16/5751/HSE
2016 Approved
56 Millway London NW7 3RA
Single storey rear extension following demolition of existing extension
16/5752/HSE
2016 Approved
59 Millway London NW7 3QT
Single storey rear extension with a proposed depth of 4.5 metres from original rear wall…
16/2294/PNH
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
Source: MHCLG planning statistics · See full council rankings

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.