17 Sandringham Gardens London N12 0NY Data via plota.co.uk

26/1954/FUL - Full Application Pending Consideration
Change of useExtensions & alterationsNew homes

Proposal

Conversion of the existing dwelling into 2no. self-contained flats including roof extension involving hip to gable, rear dormer window, 2no. front facing rooflights and new side gable window. Associated refuse/recycling/cycle storage Data via plota.co.uk

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View original council record ↗

Application progress

✓
Received
26 May 2026
✓
Consultation
4 Jun 2026
Decision
Awaiting decision

This application is under consideration - no decision has been issued yet.

Documents 12

Statements & assessments 2

PDF FIRE SAFETY STATEMENT Other · 26 May 2026 View ↗ PDF PLANNING STATEMENT Planning statement · 26 May 2026 View ↗

Plans & drawings 7

PDF BLOCK PLAN OF THE SITE Block plan · 26 May 2026 View ↗ PDF EXISTING FLOOR PLANS Drawing · 26 May 2026 View ↗ PDF EXISTING ELEVATIONS/SECTION Drawing · 26 May 2026 View ↗ PDF PROPOSED FLOOR PLANS Drawing · 26 May 2026 View ↗ PDF PROPOSED ELEVATIONS/SECTION Drawing · 26 May 2026 View ↗ PDF PROPOSED FIRE EXIT PLANS Drawing · 26 May 2026 View ↗ PDF THE LOCATION PLAN Site Location Plan · 26 May 2026 View ↗

Application forms 2

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 26 May 2026 View ↗ PDF COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM CIL Document · 26 May 2026 View ↗

Consultation & comments 1

PDF COMMENT(FULL) Public Comment · 15 Jun 2026 View ↗

All documents on the council site ↗

Other new applications on this street

18 Sandringham Gardens London N12 0NX

Roof extension involving hip to gable, rear dormer window with juliette balcony ...

26/0812/192 - 3 Mar 2026

Nearby new applications

24 Addington Drive London N12 0PH

Single story front and side extension with 2no. rooflights incorporating new fro...

26/2693/HSE - 20 Jul 2026

22 Woodhouse Road London N12 0RG

Use of property as nine self contained flats

26/2657/191 - 16 Jul 2026

120 Woodgrange Avenue London N12 0PS

Roof extension involving rear dormer window and 3no. front facing rooflights

26/2513/192 - 3 Jul 2026

118 Friern Park London N12 9LN

Roof extension involving hip to gable, rear dormer window, 2no. front and 1no. s...

26/2376/192 - 23 Jun 2026

Rear Of 7 Lambert Road London N12 9ER

Submission of details of condition 3 (Materials) 4 (Levels) 5 (Demolition and Co...

26/2364/CON - 22 Jun 2026

Rear Of 5 Lambert Road London N12 9ER

Submission of details of condition 3 (Materials) 4 (Levels) 5 (Demolition and Co...

26/2363/CON - 22 Jun 2026

Important details

Council
Barnet
Application type
Full Application
Postcode
N12 0NY
Received
26 May 2026
Validated
26 May 2026
Ward
Woodhouse
Case officer
Show
Target decision
21 Jul 2026
Applicant
Show
Agent
Nitin Hirani

Consultation & key dates

Alt. reference
PP-14961989
Site notice
4 Jun 2026

Historical activity at this location

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

This property

Previous applications at this address

2019 Approved
Single storey rear extension with a proposed depth of 6 metres from original rear wall, e…
19/1166/PNH
2018 Approved
Single storey rear extension with a proposed depth of 6 metres from original rear wall, e…
18/4783/PNH
Within ~100m

Nearby activity

2025
42 Sandringham Gardens London N12 0NX
Single storey rear extension with a proposed depth of 4.00 metres, maximum height of 3.00…
25/0891/PNH
2025
64 Churchfield Avenue London N12 0NT
Conversion of the existing dwelling into 2no. self-contained flats including single store…
25/0848/FUL
2025
64 Churchfield Avenue London N12 0NT
Single storey rear extension
25/0630/HSE
2024 Approved
39 Sandringham Gardens London N12 0NY
Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no…
24/4495/192
2024 Approved
41 Sandringham Gardens London N12 0NY
Single storey rear infill extension
24/3916/HSE
2024 Approved
39 Sandringham Gardens London N12 0NY
Single storey rear infill extension with 2no. rooflights; Alterations to existing porch a…
24/3011/HSE
2024 Withdrawn
41 Sandringham Gardens London N12 0NY
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00…
24/3653/PNH
2024 Refused
42 Sandringham Gardens London N12 0NX
Single storey rear extension with a proposed depth of 4.00m, maximum height of 3.00m and…
24/1997/PNH
2023 Approved
39 Churchfield Avenue London N12 0NS
Application to confirm the implementation of planning permission 16/6667/FUL dated 06/01/…
23/1880/192
2023
Garages Rear Of 2 Churchfield Avenue London N12 0NT
Demolition of 4no. garages and erection of single storey dwellinghouse with basement leve…
23/1194/FUL
2022 Approved
28 Sandringham Gardens London N12 0NX
Single storey side and rear extension including conversion of the existing garage into ha…
22/4735/HSE
2022 Approved
33 Sandringham Gardens London N12 0NY
Single storey side/rear extension
22/3870/HSE
2022 Approved
24 Churchfield Avenue London N12 0NT
Removal and replacement of the first floor rear french doors with a window. Removal of ex…
22/4223/HSE
2022 Approved
24 Sandringham Gardens London N12 0NX
Roof extension involving hip to gable, rear dormer with juliette balcony, 2no front facin…
22/3028/192
2022 Approved
51 Sandringham Gardens London N12 0NY
Single storey rear extension, including raised patio area.
22/0338/HSE
2022 Refused
40 Churchfield Avenue London N12 0NT
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall…
22/0516/PNH
2021 Withdrawn
40 Churchfield Avenue London N12 0NT
Single storey rear extension with a proposed depth of 5.60 metres, a maximum height of 3…
21/6777/PNH
2020 Approved
13 Sandringham Gardens London N12 0NY
Single storey rear extension 6m deep and a maximum height of 2.98m with 2 rooflights to r…
20/5654/PNH
2020 Approved
First Floor Flat 47 Churchfield Avenue London N12 0NS
Roof extension involving rear dormer window, 2no front facing rooflights
20/3790/FUL
2019 Approved
33 Sandringham Gardens London N12 0NY
Erection of rear conservatory/outbuilding
19/5320/HSE
2016 Approved
39 Churchfield Avenue London N12 0NS
Demolition of the existing building and the erection of a two storey building including r…
16/6667/FUL
2016 Approved
43 Churchfield Avenue London N12 0NS
Extension to roof including hip to gabel end and extension of existing rear dormer window
16/4758/192
2016 Withdrawn
43 Churchfield Avenue London N12 0NS
Two storey rear extension, roof extension including hip to gable and rear dormer window a…
16/1702/FUL
2016 Approved
26 Sandringham Gardens London N12 0NX
Single storey side and rear extension, including associated formation of rear steps follo…
16/0866/HSE
2016 Approved
46 Woodhouse Road London N12 0RJ
Roof extension involving rear dormer window with 2no rooflights to front elevation to fac…
16/00064/192
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