24 Devonshire Crescent London NW7 1DN Data via plota.co.uk

25/3026/192 - Proposed Lawful Development Certificate Approved

Proposal

Roof extension involving hip to gable, rear dormer window and 2no. front facing rooflights Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
17 Jul 2025
✓
Approved
29 Jul 2025

Approved on 29 Jul 2025 · Delegated Decision · Last checked 4 Nov 2026

Documents 4

Decision & officer reports 1

PDF DN: LAWFUL 192 Decision Notice · 29 Jul 2025 View ↗

Statements & assessments 1

PDF PLANNING STATEMENT Planning statement · 17 Jul 2025 View ↗

Plans & drawings 1

PDF REVISED EXISTING / PROOSED Revised Drawing · 25 Jul 2025 View ↗

Application forms 1

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 17 Jul 2025 View ↗

All documents on the council site ↗

Site constraints 4

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 Named permitted development rights are withdrawn here.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 0 (very poor), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 4 November 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.

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Other new applications on this street

28 Oct 2026Pending

3 Devonshire Crescent London NW7 1DN

Roof extension involving hip to gable, rear dormer window and 4no. front facing ...

26/3834/192

Nearby new applications

29 Oct 2026Pending

74 Devonshire Road London NW7 1DP

Roof extension involving hip to gable, rear dormer window, 2no. front facing roo...

26/3929/192
29 Oct 2026Pending

45 Woodcote Avenue London NW7 2PG

Single storey rear extension with a proposed depth of 6 metres, maximum height o...

26/3878/PNH
28 Oct 2026Pending

3 Devonshire Crescent London NW7 1DN

Roof extension involving hip to gable, rear dormer window and 4no. front facing ...

26/3834/192
27 Oct 2026Pending

9 Devonshire Road London NW7 1NE

Roof extension involving hip to gable, rear dormer window, 3no. rooflights and n...

26/3873/192
26 Oct 2026Pending

9 Devonshire Road London NW7 1NE

Single storey rear extension with a proposed depth of 6 metres, maximum height o...

26/3874/PNH
22 Oct 2026Pending

3 Devonshire Crescent London NW7 1DN

Single storey rear extension with a proposed depth of 5.00 metres, maximum heigh...

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Important details

Council
Barnet
Application type
Proposed Lawful Development Certificate
Postcode
NW7 1DN
Received
17 Jul 2025
Validated
17 Jul 2025
Ward
Mill Hill
Case officer
Show
Target decision
11 Sept 2025
Decision
Lawful
Decision date
29 Jul 2025
Decision level
Delegated Decision
Applicant
Show
Agent
Show

How this decision compares

Decided in 12 days from validation, 16 days faster than Barnet's median of 28 for lawful development certificates. Approved, as 80% of lawful development certificates here are.

95%decided within 8 weeks
80%approved
788decided in the last year

Plota live figures for lawful development certificates decided by Barnet in the last twelve months, from validation. Barnet decision record →

Public comments

No public comments yet.

Last counted 4 Nov 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14162134
Planning Portal ref
PP-14162134
Statutory expiry
11 Sept 2025

Historical activity at this location

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

Within ~100m

Nearby activity

2024 Approved
33 Devonshire Crescent London NW7 1DN
Single storey rear extension with 1no. lantern rooflight and new patio area with access s…
24/3812/HSE
2024 Approved
25 Devonshire Crescent London NW7 1DN
Single storey side and rear extension following demolition of the detached garage/garden…
24/2068/HSE
2023 Approved
98 Devonshire Road London NW7 1DL
First floor rear extension
23/4203/HSE
2023 Withdrawn
98 Devonshire Road London NW7 1DL
Part single, part two storey rear extension. Front porch extension. Roof extension involv…
23/0121/HSE
2022 Approved
98 Devonshire Road London NW7 1DL
Single storey rear extension with a proposed depth of 5.00 metres from original rear wall…
22/5829/PNH
2022 Approved
98 Devonshire Road London NW7 1DL
Roof extension including hip to gable, rear dormer window with juliette balcony, 3no. fro…
22/5830/192
2021 Approved
100 Devonshire Road London NW7 1DL
Proposed single storey rear extension with a proposed depth of 6.00 metres from original…
21/6582/PNH
2021 Refused
38 Devonshire Crescent London NW7 1DN
Part single/part two storey side and rear extension
21/5787/HSE
2021 Approved
100 Devonshire Road London NW7 1DL
Roof extension including hip to gable, rear dormer window, side gable window and 3no. roo…
21/6548/192
2021 Approved
38 Devonshire Crescent London NW7 1DN
Roof extension involving hip to gable, rear dormer window and juliette balcony and 2no fr…
21/5516/192
2021 Approved
28 Devonshire Crescent London NW7 1DN
Single storey side/rear extension
21/3607/HSE
2021 Refused
3 Lee Road London NW7 1LJ
Conversion of the existing dwelling into 2no self-contained flats including roof extensio…
21/3583/FUL
2021 Approved
28 Devonshire Crescent London NW7 1DN
Single storey rear extension. Roof extension involving hip to gable, rear dormer window…
21/1589/192
2020 Approved
106 Devonshire Road London NW7 1DL
Demolition of an existing attached garage, construction of a single storey side and rear…
20/4892/HSE
2020 Approved
32 Devonshire Crescent London NW7 1DN
Single storey rear extension. New front porch. Roof extension involving hip to gable, rea…
20/4784/192
2020 Approved
28 Devonshire Crescent London NW7 1DN
Single storey side and rear extension
20/3842/HSE
2020 Approved
32 Devonshire Crescent London NW7 1DN
Single storey rear extension with a proposed depth of 4.50 metres from original rear wall…
20/2995/PNH
2020 Withdrawn
28 Devonshire Crescent London NW7 1DN
Single storey side and rear extension
20/3307/HSE
2019 Approved
23 Arlington Green London NW7 1GW
Replacement of existing first floor front window
19/4198/192
2019 Approved
91 Devonshire Road London NW7 1DR
Roof extension involving the addition of a side dormer window
19/2367/HSE
2017 Approved
18 Devonshire Crescent London NW7 1DN
Single storey front extension involving conversion of garage into habitable room, inserti…
17/0703/HSE
2016 Approved
16 Devonshire Crescent London NW7 1DN
Proposed increase in height to existing side extensions with new crown roof over and alte…
16/5915/HSE
2016 Approved
36 Devonshire Crescent London NW7 1DN
Roof extension involving hip to gable and rear dormer window. Single storey rear extension
16/5711/192
2016 Approved
36 Devonshire Crescent London NW7 1DN
Rear dormer with Juliette balcony. 1 no. rooflight to rear and 2 no. rooflights to front…
16/2715/192
2016 Withdrawn
1 Devonshire Crescent London NW7 1DN
Part single, part two storey side and rear extension following demolition of existing con…
16/0823/HSE
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