18 Sydney Grove London NW4 2EH Data via plota.co.uk

26/0948/192 - Proposed Lawful Development Certificate Approved
Extensions & alterations

Proposal

Roof extension involving hip to gable with 1no. rear dormer window over main roof and 1no. rear dormer over outrigger roof and 3no. front facing rooflights Data via plota.co.uk

Track application Save this application and get an email when its status or decision changes. Alerts nearby Get email alerts for new planning applications near this address.
View original council record ↗

Application progress

✓
Received
12 Mar 2026
✓
Validated
13 Mar 2026
✓
Approved
6 May 2026
✓
Consultation
11 May 2026

Approved on 6 May 2026 · Delegated Decision · Last checked 7 Jul 2026

Documents 11

Decision & officer reports 2

PDF DELEGATED REPORT Report · 11 May 2026 View ↗ PDF DN: LAWFUL 192 Decision Notice · 6 May 2026 View ↗

Plans & drawings 8

PDF EXISTING ELEVATIONS Drawing · 6 May 2026 View ↗ PDF EXISTING SECTION AA Drawing · 6 May 2026 View ↗ PDF EXISTING FLOOR PLANS Drawing · 6 May 2026 View ↗ PDF PROPOSED ELEVATIONS Drawing · 6 May 2026 View ↗ PDF PROPOSED FLOOR PLANS Drawing · 6 May 2026 View ↗ PDF PROPOSED SECTION AA Drawing · 6 May 2026 View ↗ PDF PROPOSED VOLUME Drawing · 6 May 2026 View ↗ PDF SITE LOCATION PLAN Site Location Plan · 5 May 2026 View ↗

Application forms 1

PDF APPLICATION FORM Application Form · 6 May 2026 View ↗

All documents on the council site ↗

Other new applications on this street

24 Sydney Grove London NW4 2EH

Amalgamation of existing 2no. flats into 1no. single family dwellinghouse

26/1984/FUL - 28 May 2026

20 Sydney Grove London NW4 2EH

Roof extension involving hip to gable with 1no. rear dormer window over main roo...

26/0947/192 - 12 Mar 2026

Nearby new applications

393 - 395 Hendon Way London NW4 3LP

Erection of upward extensions to the existing stepped building, comprising a par...

26/2592/FUL - 10 Jul 2026

31 Foscote Road London NW4 3SE

Variation of condition 1 (Approved plans) pursuant to planning permission 26/065...

26/2567/S73 - 8 Jul 2026

31 Haslemere Avenue London NW4 2PU

Single storey front extension with new porch with canopy and front bay window. P...

26/2487/HSE - 1 Jul 2026

41 Alexandra Road London NW4 2RX

Single storey rear extension with 2no. rooflights. New side entrance porch with ...

26/2291/HSE - 18 Jun 2026

81 Cheyne Walk London NW4 3QU

Single storey rear extension with a proposed depth of 6.00 metres, maximum heigh...

26/2281/PNH - 17 Jun 2026

379 - 381 Hendon Way London NW4 3LP

Change of use from Class F1 to a mixed use of Class E (medical and health servic...

26/2253/FUL - 16 Jun 2026

Important details

Council
Barnet
Application type
Proposed Lawful Development Certificate
Postcode
NW4 2EH
Received
12 Mar 2026
Validated
13 Mar 2026
Ward
Hendon
Case officer
Show
Target decision
8 May 2026
Decision
Lawful
Decision date
6 May 2026
Decision level
Delegated Decision
Applicant
Show
Agent
W Planning

Consultation & key dates

Alt. reference
PP-14736669
Neighbours
11 May 2026

Historical activity at this location

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

This property

Previous applications at this address

2023 Approved
New front porch
23/2798/HSE
2022 Approved
Single storey rear extension and conversion of the property into 3no. self-contained unit…
22/6093/FUL
2022 Approved
Single storey rear extension and conversion of the property into 2no. self-contained unit…
22/3321/FUL
2022 Approved
Roof extension involving hip to gable. rear dormer window and 3no. front facing rooflight…
22/3079/192
Within ~100m

Nearby activity

2025 Approved
16, 18 And 20 Sydney Grove London NW4 2EH
Part single, part two storey side / rear extensions to all three properties
25/4511/FUL
2025 Withdrawn
16, 18 And 20 Sydney Grove London NW4 2EH
Part single, part two storey side / rear extensions to all three properties. Roof extensi…
25/4513/FUL
2025 Approved
16 Sydney Grove London NW4 2EH
Part single, part two storey side / rear extension
25/4514/HSE
2025 Withdrawn
16, 18 And 20 Sydney Grove London NW4 2EH
Part single, part two storey side / rear extensions to all three properties
25/4512/FUL
2025 Approved
22 Sydney Grove London NW4 2EH
Single storey rear extension following demolition of the existing conservatory and altera…
25/2141/HSE
2025
22 Sydney Grove London NW4 2EH
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 4.00…
25/1709/PNH
2025 Refused
24 Sydney Grove London NW4 2EH
Conversion of existing 2no. dwellings into a single family dwellinghouse
25/0253/192
2024 Approved
41 Sydney Grove London NW4 2EJ
Single storey rear extension following demolition of the existing rear extension
24/3224/HSE
2024 Approved
41 Sydney Grove London NW4 2EJ
Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflight…
24/3206/192
2024 Approved
47 Sydney Grove London NW4 2EJ
2no. Single storey rear extensions with a proposed depth of 6.00 metres, eaves height of…
24/2625/PNH
2024 Approved
47 Sydney Grove London NW4 2EJ
Part single part two storey side and rear extension following demolition of garage. Roof…
24/1222/HSE
2023 Approved
16, 18 And 20 Sydney Grove London NW4 2EH
Single storey side/rear extension to all three properties
23/4469/FUL
2023 Refused
47 Sydney Grove London NW4 2EJ
Part single part two storey side and rear extension following demolition of garage. Roof…
23/4873/HSE
2023 Approved
41 Sydney Grove London NW4 2EJ
Two single storey rear extension with a proposed depth of 6.00 metres from original rear…
23/4877/PNH
2023 Approved
20 Sydney Grove London NW4 2EH
Roof extension involving hip to gable, rear dormer window and 2no. front facing rooflight…
23/3887/192
2023 Approved
16 Sydney Grove London NW4 2EH
Roof extension involving hip to gable, rear dormer window and 2no. front facing rooflight…
23/3886/192
2023 Withdrawn
41 Sydney Grove London NW4 2EJ
Erection of two single storey rear extensions with a maximum proposed depth of 6.00 metre…
23/3402/PNH
2023 Approved
47 Sydney Grove London NW4 2EJ
Single storey rear extension with a proposed depth of 6.00 metres, an eaves height of 3.0…
23/3219/PNH
2023 Approved
47 Sydney Grove London NW4 2EJ
Single storey rear extension with a proposed depth of 6.00 metres, an eaves height of 3.0…
23/3218/PNH
2023 Approved
13 Sydney Grove London NW4 2EJ
Roof extension involving hip to gable, rear dormer, 2no front facing rooflights and new s…
23/2819/192
2016 Approved
39 Sydney Grove London NW4 2EJ
Single storey rear extension. Rear and side dormer to facilitate a loft conversion
16/1200/192
2016 Refused
Highview House 6 Queens Road London NW4 2TH
Partial conversion of basement level to form 1 no. self contained residential dwelling wi…
16/0871/FUL
2016 Approved
24 Sydney Grove London NW4 2EH
Rear dormer and 3 no. rooflights to front to facilitate hip to gable loft conversion
16/1215/192
2016 Refused
24 Sydney Grove London NW4 2EH
Single storey rear extension with a proposed maximum depth of 6 metres from original rear…
16/1531/PNH
2016 Refused
24 Sydney Grove London NW4 2EH
Single storey rear extension
16/1238/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 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