177 Cuckoo Hall Lane London N9 8DT Data via plota.co.uk

26/03359/FUL - Full Application in Progress
Extensions & alterationsNew homes

Proposal

Sub-division of site and conversion of single family dwelling house into 2x dwelling houses, involving part single, part 2-storey rear extension, 2x rear dormers with juliette balconies, front roof lights, additional dropped kerb to existing hardstand, with division of rear amenity space, cycle and refuse storage. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
7 Aug 2026
✓
Validated
20 Aug 2026
✓
Consultation
24 Aug 2026
Decision
Expected by 15 Oct 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision between 30 Sept 2026 and 9 Oct 2026, from Enfield's recent extensions. Comments are open until 18 Sept 2026.

Comment on this application ↗

Documents 16

Statements & assessments 6

PDF DESIGN, ACCESS AND PLANNING STATEMENT Planning Statement · 7 Aug 2026 View ↗ PDF ENERGY AND SUSTAINABILITY STATEMENT Energy Statement · 7 Aug 2026 View ↗ PDF PART O CIBSE TM59 OVERHEATING ASSESSMENT Energy Statement · 7 Aug 2026 View ↗ PDF SUDS PRO FORMA Sustainable Drainage · 7 Aug 2026 View ↗ PDF FLOOD RISK MEASURES AND SUDS MAINTENANCE Sustainable Drainage · 7 Aug 2026 View ↗ PDF BIODIVERSITY NET GAIN EXEMPTION STATEMENT Biodiversity Statement · 7 Aug 2026 View ↗

Plans & drawings 1

PDF PROPOSED DROPPED KERB AND PERMEABLE PAVING DETAIL Detail Drawing · 7 Aug 2026 View ↗

Application forms 3

PDF Application Form - Without Personal Data Application Form - Without Personal Data · 7 Aug 2026 View ↗ PDF HIGHWAY SAFETY IMPACT FORM Supporting Information · 7 Aug 2026 View ↗ PDF CIL FORM 1 Community Infrastructure Levy ? Completed Form · 7 Aug 2026 View ↗

Other documents 6

PDF EXISTING AXONOMETRIC RENDERS Photographs and Photomontages · 7 Aug 2026 View ↗ PDF EXISTING PERSPECTIVE RENDERS Photographs and Photomontages · 7 Aug 2026 View ↗ PDF EXISTING PERSPECTIVE RENDERS Photographs and Photomontages · 7 Aug 2026 View ↗ PDF PROPOSED AXONOMETRIC RENDERS Photographs and Photomontages · 7 Aug 2026 View ↗ PDF PROPOSED PERSPECTIVE RENDERS Photographs and Photomontages · 7 Aug 2026 View ↗ PDF PROPOSED PERSPECTIVE RENDERS Photographs and Photomontages · 7 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 4

Article 4 direction
Borough wide. 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: Enfield 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 ↗
Opportunity area
Where the London Plan expects significant growth.
Boundaries are indicative and the borough holds the detailed plan.
Also on the record
Inside the Enfield built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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

2 Sept 2026Pending

22 Cuckoo Hall Lane London N9 8DL

Change of use from dwelling house (Class C3) to House in multiple occupation- HM...

26/03737/FUL
24 Jun 2026Refused

2 Cuckoo Hall Lane London N9 8DJ

Change of use from Use Class C3 (dwelling house) to a Class Sui Generis (HMO - h...

26/02686/FUL
15 Jun 2026Decided

164 Cuckoo Hall Lane London N9 8DU

Single-storey rear extension 6m deep x 3.4m high (3m high to eaves).

26/02530/PRH

Nearby new applications

2 Sept 2026Pending

22 Cuckoo Hall Lane London N9 8DL

Change of use from dwelling house (Class C3) to House in multiple occupation- HM...

26/03737/FUL
4 Sept 2026Pending

2 Nightingale Road London N9 8AL

Single storey rear extension 6m deep x 3.27m high (3m high to eaves).

26/03776/PRH
4 Sept 2026Pending

2 Nightingale Road London N9 8AL

Extension to roof at side to form gable end with rear dormer and front rooflight...

26/03775/CEA
4 Sept 2026Pending

29 Sandhurst Road London N9 8BA

Details submitted pursuant to reference 26/02073/FUL : SuDS (4) in respect of si...

26/03786/CND
3 Sept 2026Pending

61 Shirley Grove London N9 8ES

Change of use from Use Class C3 (dwelling house) to Use Class Sui Generis (HMO-h...

26/03752/FUL
1 Sept 2026Pending

22 Cuckoo Hall Lane London N9 8DL

Single-storey rear extension 6m deep x 3m high (3m high to eaves).

26/03706/PRH

Important details

Council
Enfield
Application type
Full
Postcode
N9 8DT
Received
7 Aug 2026
Validated
20 Aug 2026
Ward
Jubilee
Case officer
Show
Target decision
15 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Cadoo Limited

Decision outlook

Day 25 of the 56-day target. Enfield usually decides extensions by day 46.

Day 2531 days to the 56-day target
91%decided within 8 weeks
79%approved
1,118decided in the last year

Plota live figures for extensions decided by Enfield in the last twelve months, from validation. Enfield decision record →

Public comments

No public comments yet.

10 neighbours consulted · Last counted 8 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15139644
Neighbours
25 Aug 2026
Consultation
24 Aug 2026
Comments by
18 Sept 2026
Statutory expiry
15 Oct 2026
Env. assessment
No

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

2022 Approved
Single storey rear extension.
22/02693/HOU
2018 Refused
Change of use from a single family dwellinghouse (Class C3) to a HMO (Class C4) accommoda…
18/04464/FUL
2018 Refused
Change of use from a single family dwellinghouse (Class C3) to a HMO (Class C4) accommoda…
18/00834/FUL
2018 Approved
Single storey rear extension.
18/00833/HOU
Within ~100m

Nearby activity

2025 Refused
9 Chelsfield Avenue London N9 8EY
Change of use from Use Class C3 (dwelling house) to Use Class C4 (HMO-house in multiple o…
25/03943/FUL
2021 Refused
199A Cuckoo Hall Lane London N9 8DT
Sub-division of site and erection of an end-of-terrace 2-storey, dwelling house at side.
21/02102/FUL
2023 Approved
181 Cuckoo Hall Lane London N9 8DT
Single storey rear extension 5.95m deep x 3.30m high (3m high to eaves).
23/02695/PRH
2023 Approved
148 Charlton Road London N9 8EX
Removal of existing clay roof tiles and replacement with concrete tiles.
23/01908/HOU
2023 Refused
181 Cuckoo Hall Lane London N9 8DT
Single storey rear extension 5.95m deep x 3.90m high (2.95m high to eaves).
23/02157/PRH
2023 Approved
161 Cuckoo Hall Lane London N9 8DT
Two storey side extension.
23/01819/HOU
2023 Approved
11 Chelsfield Avenue London N9 8EY
Rear dormer and front rooflights.
23/00949/CEA
2023 Approved
184 Cuckoo Hall Lane London N9 8DU
Single storey rear extension 6m deep x 3.00m high (2.70m high to eaves).
23/00202/PRH
2022 Approved
5 Chelsfield Avenue London N9 8EY
Single storey side and rear extension.
22/01370/HOU
2022 Refused
181 Cuckoo Hall Lane London N9 8DT
Demolition of temporary rear conservatory and covered area, with single storey rear exten…
22/00783/HOU
2022 Approved
20 Coran Close London N9 8ET
Outbuilding at rear (RETROSPECTIVE).
22/00090/HOU
2021 Refused
5 Chelsfield Avenue London N9 8EY
Part single, part 2 storey side and rear extension together with gable end with flank win…
21/04021/HOU
2021 Refused
20 Coran Close London N9 8ET
Outbuilding at rear. (RETROSPECTIVE).
21/02292/HOU
2021 Refused
199A Cuckoo Hall Lane London N9 8DT
Rear dormer with front rooflights.
21/02127/HOU
2021 Refused
199A Cuckoo Hall Lane London N9 8DT
Rear dormer with front rooflights.
21/00262/HOU
2020 Refused
20 Coran Close London N9 8ET
Outbuilding at rear. (RETROSPECTIVE).
20/03795/HOU
2020 Refused
199A Cuckoo Hall Lane London N9 8DT
Rear dormer with front rooflights.
20/03258/CEA
2020 Approved
199 Cuckoo Hall Lane London N9 8DT
Rear dormer with front rooflights.
20/03257/CEA
2020 Approved
199A Cuckoo Hall Lane London N9 8DT
Single storey rear extension 3.50m deep x 3.00m high (3.00m high to eaves).
20/03303/PRH
2020 Approved
199 Cuckoo Hall Lane London N9 8DT
Single storey rear extension 4.00m deep x 3.00m high (3.00m high to eaves).
20/03302/PRH
2017 Approved
161 Cuckoo Hall Lane London N9 8DT
Single storey rear extension with rear dormer and rooflights x 3 at front.
17/00944/CEA
2016 Approved
65 Shirley Grove London N9 8ES
Single storey rear extension 6m deep x 3.15m high (3m high to eaves)
16/04934/PRH
2016 Approved
8 Coran Close London N9 8ET
First floor side extension
16/02590/HOU
2016 Approved
155 Cuckoo Hall Lane London N9 8DS
Single storey rear extension 4m deep x 3.63m high (2.82m high to eaves).
16/03018/PRH
2016 Approved
157 Cuckoo Hall Lane London N9 8DS
Single storey rear extension 4m deep x 3.5m high (3m high to eaves)
16/00880/PRH
Enfield
Planning Authority Score
6.9/10
Good
#65 of 296 councils
Relevant to this application:
Householder decisions

Enfield is one of the fastest councils in England for householder decisions, ranking #15 out of 296. Only 5% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Enfield is also one of the strictest councils - it refuses more householder applications than almost any other, with only 83% approved vs 90% nationally.

Among the fastest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Enfield decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #271 of 296
83%
Householder approved
Below avg (90%) #260 of 296
90%
Decided in 8 weeks
Above avg (63%) #15 of 296
5%
Extended time limit
Below avg (41%) #1 of 296
60%
Minor dwellings approved
265 decided (1-9 homes)
63%
Major dwellings approved
8 decided (10+ homes)
72%
Change of use approved
322 decided
1,939
Total decisions
433 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings