9 Summers Row London N12 0LD Data via plota.co.uk

26/1574/192 - Proposed Lawful Development Certificate Refused
Extensions & alterations

Proposal

Single storey rear extension with 2no. Rooflights, following demolition of the existing conservatory (amended) Data via plota.co.uk

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View original council record ↗

Application progress

✓
Received
27 Apr 2026
✗
Refused
15 May 2026
Appeal
Not lodged

Refused on 15 May 2026 · Delegated Decision · Last checked 6 Jul 2026

Documents 6

Decision & officer reports 3

PDF DELEGATED REPORT Report · 18 May 2026 View ↗ PDF DELEGATED REPORT Report · 18 May 2026 View ↗ PDF DN: UNLAWFUL 192 Decision Notice · 15 May 2026 View ↗

Plans & drawings 2

PDF EXISTING/PROPOSED Revised Drawing · 12 May 2026 View ↗ PDF LOCATION PLAN Site Location Plan · 8 May 2026 View ↗

Application forms 1

PDF Application Form Application Form · 27 Apr 2026 View ↗

All documents on the council site ↗

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Important details

Council
Barnet
Application type
Proposed Lawful Development Certificate
Postcode
N12 0LD
Received
27 Apr 2026
Validated
27 Apr 2026
Ward
Woodhouse
Case officer
Track to view
Target decision
22 Jun 2026
Decision
Unlawful
Decision date
15 May 2026
Decision level
Delegated Decision
Applicant
Track to view

Consultation & key dates

Alt. reference
92161146-fabc-4f9a-bde1-d68df8821d14

Historical activity at this location

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

This property

Previous applications at this address

2018 Approved
Extension to roof including rear dormer windows and 1no rooflight to front elevation
18/3491/192
Within ~100m

Nearby activity

2025
The Triumph 274 Summers Lane London N12 0LE
Change of use of ground floor from commercial use Class E(a) Residential Use (Class C3) t…
25/5171/PNE
2025
193 Summers Lane London N12 0QH
Installation of extraction flue to first floor rear elevation. Insertion of 2no. roofligh…
25/4022/FUL
2025 Approved
9 Woodleigh Avenue London N12 0LJ
Single storey ground floor rear infill extensions with new raised decking area and associ…
25/3327/HSE
2024 Approved
193 Summers Lane London N12 0QH
Change of use of existing single storey printing works (B2 use) to commercial, business a…
24/4383/FUL
2024 Approved
Summers Lane Land Adjacent To 15 Thistley Close London N12 0TQ
2 x Oak (applicants ref. T1, T2) - Remove deadwood. Remove epicormic growth. Standing in…
TPP/0368/24
2024 Approved
193 Summers Lane London N12 0QH
Installation of 2no. internally illuminated fascia signs to front elevation (Amended Desc…
24/2128/ADV
2024 Refused
193 Summers Lane London N12 0QH
Change of use of existing single storey printing works (B2 use) to hot food takeaway faci…
24/2127/FUL
2024 Refused
226B Woodhouse Road London N12 0RS
Change of use from office (use class E) to dwellinghouse (Class C3) 1no. residential unit
24/0118/PNE
2024
6 Summers Row London N12 0LD
Enlarging of existing rear dormer window
24/0510/192
2023 Refused
6 Summers Row London N12 0LD
Roof extension to include rear dormer window
23/4891/192
2023 Approved
6 Summers Row London N12 0LD
Single storey rear infill extension
23/4885/HSE
2023 Approved
7 Summers Row London N12 0LD
Single storey ground floor rear extension. Infill extension to rear of first floor
23/2104/HSE
2023 Approved
7 Summers Row London N12 0LD
Roof extension involving rear dormer and outrigger dormer and 2no. front facing rooflights
23/2103/192
2023
218 Woodhouse Road London N12 0RS
Change of use from retail (Class E) to 1no dwellinghouse (Class C3) Associated refuse/rec…
23/1298/PNE
2022 Approved
4 Summers Row London N12 0LD
First floor rear infill extension
22/0327/HSE
2022 Approved
4 Summers Row London N12 0LD
Roof extension involving rear dormer window and 2no front facing rooflights
22/0140/192
2021 Refused
4 Summers Row London N12 0LD
Roof extension involving rear dormer window and 2no front facing rooflights. First floor…
21/5548/HSE
2021 Approved
Opp 191 Summers Lane London N12 0QH
Removal, replacement and relocation of 2 BT Openreach Fibre Optic Green Broadband Cabinet…
21/3154/LIC
2020 Approved
226 Summers Lane London N12 0JY
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall…
20/3661/PNH
2020 Refused
226 Summers Lane London N12 0JY
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall…
20/2887/PNH
2016 Approved
Flat A 234 - 236 Woodhouse Road London N12 0RS
First floor side extension to Flat A above existing shop
16/7637/FUL
2016 Refused
2A Woodleigh Avenue London N12 0LL
Roof extension involving rear dormer window with rooflights to front, side and rear eleva…
16/5450/FUL
2016 Refused
3 And 4 St John Cottages Summers Lane London N12 0LA
Three storey rear extension to both properties. Roof extensions involving rear dormer win…
16/3444/HSE
2016 Approved
16 Summers Row London N12 0LD
Single storey side and back extension with new front canopy to existing front door
16/3351/HSE
2016 Withdrawn
16 Summers Row London N12 0LD
Conversion of property into 2no self-contained flats following demolition of the garage a…
16/2458/FUL
Barnet
Planning Authority Score
6.5/10
Good
#79 of 292 councils
Relevant to this application:
Householder decisions

Barnet is faster than most councils at deciding householder applications, ranking #32 out of 292. Only 23% of applications have the time limit extended, well below the 40% 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 83% approved vs 90% nationally.

One of the strictest councils
only 83% 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, 2025
76%
Overall approval rate
Below avg (87%) #277 of 292
83%
Householder approved
Below avg (90%) #252 of 292
82%
Decided in 8 weeks
Above avg (64%) #32 of 292
23%
Extended time limit
Below avg (40%) #25 of 292
53%
Minor dwellings approved
323 decided (1-9 homes)
94%
Major dwellings approved
16 decided (10+ homes)
41%
Change of use approved
123 decided
2,539
Total decisions
599 refused in 2025
Source: MHCLG planning statistics · See full council rankings