85 Lullington Garth London N12 7BL Data via plota.co.uk

26/2808/HSE - Householder Application Approved
Extensions & alterations

Proposal

Single storey side/rear infill, first floor side extension. Conversion of garage into habitable room, insertion of window to replace garage door. Alterations to the fenestration and insertion of 2.No rooflights to existing flat roof (AMENDED DESCRIPTION) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
29 Jul 2026
✓
Validated
10 Aug 2026
✓
Consultation
27 Aug 2026
✓
Approved
1 Oct 2026

Approved on 1 Oct 2026 · Delegated Decision · Last checked 2 Oct 2026

Documents 17

Decision & officer reports 1

PDF DN: APPROVE HSE WITH CONDS Decision Notice · 1 Oct 2026 View ↗

Plans & drawings 10

PDF EXISTING SITE PLAN Drawing · 28 Sept 2026 View ↗ PDF PROPOSED ELEVATIONS/SECTIONS Drawing · 28 Sept 2026 View ↗ PDF THE LOCATION PLAN Site Location Plan · 29 Jul 2026 View ↗ PDF EXISTING SITE PLAN Drawing · 29 Jul 2026 View ↗ PDF EXISTING SECTIONS / ELEVATIONS Drawing · 29 Jul 2026 View ↗ PDF PROPOSED FLOOR PLANS Drawing · 29 Jul 2026 View ↗ PDF PROPOSED ROOF PLAN Drawing · 29 Jul 2026 View ↗ PDF PROPOSED SECTIONS / ELEVATIONS Drawing · 29 Jul 2026 View ↗ PDF EXISTING GROUND AND FIRST FLOOR PLAN Drawing · 29 Jul 2026 View ↗ PDF EXISTING SECOND FLOOR / ROOF PLAN Drawing · 29 Jul 2026 View ↗

Application forms 2

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 29 Jul 2026 View ↗ PDF COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM CIL Document · 29 Jul 2026 View ↗

Consultation & comments 1

PDF COMMENT(FULL) Public Comment · 7 Sept 2026 View ↗

Other documents 3

PDF SITE NOTICE Photo · 1 Oct 2026 View ↗ PDF SITE NOTICE Photo · 1 Oct 2026 View ↗ IMG SITE NOTICE Photo · 1 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 Named permitted development rights are withdrawn here.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
Inside the Barnet built-up area; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square; Green belt 19 m away: London.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument 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 3

Last sold for £872,500 in June 2018. Semi-detached house, freehold.

21 June 2018£872,500Recorded as a transfer outside a standard sale
6 May 2016£900,000Recorded as a transfer outside a standard sale
14 September 1995£147,500

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

Building

Floor area122 m² (1,313 sq ft)
Energy ratingD (65 out of 100), could reach B
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in November 2016, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

2 Oct 2026Pending

40 Lullington Garth London N12 7AP

Construction of a two storey dwellinghouse with rooms in the roofspace and lower...

26/3565/FUL
11 Aug 2026Approved

1 Barham Court Lullington Garth London N12 7BT

Single storey rear extension with new access steps

26/2969/192
21 Apr 2026Approved

48 Lullington Garth London N12 7BY

Erection of a new garage with arch roof and steps down with associated raised pl...

26/1471/HSE

Nearby new applications

2 Oct 2026Pending

40 Lullington Garth London N12 7AP

Construction of a two storey dwellinghouse with rooms in the roofspace and lower...

26/3565/FUL
3 Sept 2026Pending

46 Michleham Down London N12 7JN

Single storey side/rear extension with 3no. rooflights following demolition of t...

26/3222/HSE
20 Aug 2026Approved

38 Chesterfield Road London N3 1PR

Lower ground floor extension with associated lightwells, access stairs leading t...

26/3058/HSE
7 Aug 2026Pending

14 Folkington Corner London N12 7BH

Single storey rear infill extension with 2no. rooflights. Conversion of the exis...

26/2942/HSE
12 Aug 2026Approved

15 Cissbury Ring North London N12 7AL

Roof extension involving rear dormer window with juliette balcony, 3no. front fa...

26/2991/192
11 Aug 2026Approved

1 Barham Court Lullington Garth London N12 7BT

Single storey rear extension with new access steps

26/2969/192

Important details

Council
Barnet
Application type
Householder Application
Postcode
N12 7BL
Received
29 Jul 2026
Validated
10 Aug 2026
Ward
Totteridge & Woodside
Case officer
Show
Target decision
5 Oct 2026
Decision
Approve subject to conditions
Decision date
1 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Agent
DS Squared Architects

How this decision compares

Decided in 52 days from validation, about the council's usual 52 days. Approved, as 75% of extensions here are.

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

1comment received
1 objecting

Last counted 2 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14909519
Planning Portal ref
PP-14909519
Comments by
17 Sept 2026
Site or press notice
27 Aug 2026
Statutory expiry
5 Oct 2026

Historical activity at this location

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

This property

Previous applications at this address

2023 Approved
Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no…
23/1469/192
2018 Refused
Single storey rear extension with a proposed depth of 6 metres from original rear wall, e…
18/7191/PNH
2018 Approved
Roof extension including hip to gable, rear dormer window with juliette balcony and 3no…
18/7184/192
Within ~100m

Nearby activity

2024
83 Lullington Garth London N12 7BL
Single storey rear extension with with 1no. roof lantern following the demolition of the…
24/0552/HSE
2023 Approved
8 Offham Slope London N12 7BZ
Single storey side and rear extension with roof lantern. New front door with slimline win…
23/5255/HSE
2023 Approved
83 Lullington Garth London N12 7BL
Roof extension involving replacement rear dormer window with juliette balcony, 2no front…
23/5333/192
2023 Approved
8 Offham Slope London N12 7BZ
Roof extension involving hip to gable, rear dormer, 2no front facing rooflights and new s…
23/5256/192
2022 Approved
107 Cissbury Ring South London N12 7BJ
Single storey rear extension measuring 6m in depth, 3.82m maximum height and eaves height…
22/5318/PNH
2022 Approved
107 Cissbury Ring South London N12 7BJ
Single storey front porch extension
22/4080/HSE
2022 Refused
107 Cissbury Ring South London N12 7BJ
Single storey rear extension with a proposed depth of 6 metres, maximum height of 3.37 me…
22/4107/PNH
2022 Approved
72 Lullington Garth London N12 7BU
Part single, part two storey side and rear extensions following demolition of existing si…
22/3036/HSE
2021 Approved
2 Rodmell Slope London N12 7BX
Roof extension involving hip to gable, 1no side gable window rear dormer window and 2no f…
21/2685/192
2020 Approved
27 Offham Slope London N12 7BZ
Single storey front, side and rear extensions following demolition of the existing garage
20/0305/HSE
2019 Approved
27 Offham Slope London N12 7BZ
Single storey rear extension. Roof extension involving hip to gable, rear dormer window w…
19/4992/192
2019 Approved
27 Offham Slope London N12 7BZ
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall…
19/4355/PNH
2019 Approved
3 Rodmell Slope London N12 7BX
Roof extension, including hip to gable, rear dormer window and 2no. rooflights to front r…
19/4356/192
2018 Approved
72 Lullington Garth London N12 7BU
Part single, part two storey side and rear extensions following demolition of existing si…
18/3923/HSE
2018 Refused
72 Lullington Garth London N12 7BU
Part single, part two storey side and rear extensions following demolition of existing si…
18/1472/HSE
2018 Approved
11 Offham Slope London N12 7BZ
Extension to roof including hip to gable end, 1no rear dormer window with juliette balcon…
18/0865/192
2017 Refused
72 Lullington Garth London N12 7BU
Part single, part two storey side and rear extensions following demolition of existing si…
17/6360/HSE
2017 Approved
19 Rodmell Slope London N12 7BX
Single storey side extension
17/4606/HSE
2016 Refused
72 Lullington Garth London N12 7BU
Part single, part two storey side extension to west elevation, first floor side extension…
16/8138/HSE
2016 Withdrawn
2 Rodmell Slope London N12 7BX
Single storey rear extension following demolition of existing garage and conservatory
16/1854/192
2016 Approved
2 Rodmell Slope London N12 7BX
Single storey rear extension with a proposed depth of 6 metres from original rear wall, e…
16/0682/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.