139 Friern Barnet Road London N11 3DX Data via plota.co.uk

26/1304/FUL - Full Application Approved

Proposal

Extension at second floor level to change from hipped roof to dutch gable and juliette balcony window on rear elevation only and insertion of 6no. side facing rooflights with removal of existing chimney stacks. Data via plota.co.uk

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Application progress

✓
Received
8 Apr 2026
✓
Validated
14 Apr 2026
✓
Consultation
23 Apr 2026
✓
Approved
17 Jun 2026

Approved on 17 Jun 2026 · Delegated Decision · Last checked 19 Jul 2026

Documents 17

Decision & officer reports 2

PDF DN: APPROVE FUL WITH CONDS Decision Notice · 17 Jun 2026 View ↗ PDF DELEGATED REPORT Report · 17 Jun 2026 View ↗

Statements & assessments 2

PDF PRELIMINARY ROOST ASSESSMENT Report · 10 Apr 2026 View ↗ PDF PLANNING STATEMENT Planning statement · 8 Apr 2026 View ↗

Plans & drawings 7

PDF EXISTING BLOCK PLAN WITH TREES Drawing · 10 Jun 2026 View ↗ PDF AMENDMENT : THE LOCATION PLAN Other · 13 Apr 2026 View ↗ PDF AMENDMENT : BLOCK PLAN OF THE SITE Other · 13 Apr 2026 View ↗ PDF AMENDMENT : ELEVATION (FRONT) - EXISTING Other · 13 Apr 2026 View ↗ PDF AMENDMENT : ELEVATION (FRONT) - PROPOSED Other · 13 Apr 2026 View ↗ PDF THE LOCATION PLAN Site Location Plan · 8 Apr 2026 View ↗ PDF BLOCK PLAN OF THE SITE Block plan · 8 Apr 2026 View ↗

Application forms 2

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 8 Apr 2026 View ↗ PDF COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM CIL Document · 8 Apr 2026 View ↗

Other documents 4

PDF SITE NOTICE PHOTOS Photo · 9 Jun 2026 View ↗ IMG SITE NOTICE 1 Photo · 23 Apr 2026 View ↗ IMG SITE NOTICE 2 Photo · 23 Apr 2026 View ↗ PDF AMENDMENT : PHOTOGRAPHS AND PHOTOMONTAGES Other · 13 Apr 2026 View ↗

All documents on the council site ↗

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Important details

Council
Barnet
Application type
Full Application
Postcode
N11 3DX
Received
8 Apr 2026
Validated
14 Apr 2026
Ward
Friern Barnet
Case officer
Show
Target decision
9 Jun 2026
Decision
Approve subject to conditions
Decision date
17 Jun 2026
Decision level
Delegated Decision
Applicant
Show
Agent
WGArchitects Ltd

Consultation & key dates

Alt. reference
PP-14833286
Site notice
23 Apr 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Refused
135 Friern Barnet Road London N11 3DX
Alterations and extensions to existing building including part single, part two storey si…
25/2809/FUL
2025 Refused
125 Friern Barnet Road London N11 3DY
Change of use of existing 8 bedroom House in Multiple Occupation (HMO) (Sui Generis) to a…
25/2964/FUL
2025
Yarlington Court 1 Sparkford Gardens London N11 3GS
1 x Horse Chestnut (applicants ref. T0455) - Reduce both over extended scaffold branches…
TPP/0560/25
2025
125 Friern Barnet Road London N11 3DY
Conversion of the existing (House in Multiple Occupation (HMO) into single family dwelling
25/0311/FUL
2024 Refused
125 Friern Barnet Road London N11 3DY
Conversion of the existing HMO into single family dwelling
24/4114/192
2024 Approved
125 Friern Barnet Road London N11 3DY
Change of use of existing 8 bedroom House in Multiple Occupation (HMO) (Sui Generis) to a…
24/2473/FUL
2024
Ground Floor Flat 4 Stanford Road London N11 3HX
Erection of a rear outbuilding following demolition of the existing shed
24/3154/FUL
2024 Approved
21 Glenthorne Road London N11 3HU
Single storey rear extension
24/1303/HSE
2023 Approved
129 Friern Barnet Road London N11 3DY
Change of use of the property from a single family dwelling (Class C3) to a House in Mult…
23/4625/FUL
2024 Approved
135 Friern Barnet Road London N11 3DX
Alterations and extensions to existing building including part single, part two storey si…
24/0210/FUL
2024 Approved
Land Rear Of 125 Friern Barnet Road London N11 3DY
Erection of a single storey dwelling. Associated refuse/recycling/cycle storage, landscap…
24/0256/FUL
2024
Land Rear Of 125 Friern Barnet Road London N11 3DY
Erection of 2no. single storey dwellings. Associated refuse/recycling/cycle storage, amen…
24/0284/FUL
2023 Refused
Yarlington Court 1 Sparkford Gardens London N11 3GS
1 x Horse Chestnut (applicants ref. T1) - Reduce overall canopy by 2m. Remove deadwood. M…
TPP/0784/23
2023 Approved
Land Rear Of 125 Friern Barnet Road London N11 3DY
Erection of a single storey dwelling. Associated refuse/recycling/cycle storage, landscap…
23/3282/FUL
2023 Approved
131 Friern Barnet Road London N11 3DY
Erection of a two-storey detached single family dwellinghouse with rooms in the roofspace…
23/3796/FUL
2023 Approved
21 Glenthorne Road London N11 3HU
Single storey rear extension with a depth of 6m, maximum height of 3.2m and eaves height…
23/3387/PNH
2023 Approved
27B Glenthorne Road London N11 3HU
Roof extension involving rear dormer window, 2no. front facing and 1no. rear facing roofl…
23/2963/FUL
2023 Refused
129 Friern Barnet Road London N11 3DY
Change of use of the property from a single family dwelling (Class C3) to a House in Mult…
23/2510/FUL
2023 Withdrawn
131 Friern Barnet Road London N11 3DY
Erection of a two-storey detached single family dwellinghouse with rooms in the roofspace…
23/2310/FUL
2023
125 Friern Barnet Road London N11 3DY
Change of use from Sui Generis HMO to C1 Guest House
23/2799/FUL
2017 Approved
13 Glenthorne Road London N11 3HU
Extension to roof including 1no rear dormer and 3no roof lights to front elevation. Propo…
17/0289/192
2016 Approved
12B Glenthorne Road London N11 3HT
Roof extension involving 1 x side dormer window, 1 x rear dormer and 1no roof light to fr…
16/7899/HSE
2016 Approved
12B Glenthorne Road London N11 3HT
Roof extension involving 1 x side dormer window, 1 x rear dormer and 1no roof light to fr…
16/7899/FUL
2016 Refused
3 Sparkford Gardens London N11 3GT
Two storey side extension and 3no rooflights
16/0482/HSE
2016 Approved
3 Sparkford Gardens London N11 3GT
2 no. side dormers, insertion of 1 no. window to front and rear elevations and 1 no. roof…
16/0481/192
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
Source: MHCLG planning statistics · See full council rankings