74 Green Dragon Lane London N21 2LH Data via plota.co.uk

Decided 26/00430/HOU
Extensions & alterations
Council
Enfield 6.9/10
Date received
4 Feb 2026
Date validated
9 Mar 2026
Postcode
N21 2LH

Description

Rear dormer with Juliette balcony, involving hip to gable roof extension and front rooflights. Data via plota.co.uk

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166 Green Dragon Lane London N21 1EP

Single storey side extension involving extension to existing garage.

26/00965/HOU - 11 Mar 2026

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Variation of condition 4 of approval 26/01410/FUL to allow changes to simultaneo...

26/03295/VAR - 3 Aug 2026

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Extension of roof at the side to form gable, new flank window, front and rear ro...

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Historical activity at this location

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

Within ~100m

Nearby activity

2021 Approved
46 Green Dragon Lane London N21 2LH
Single storey lower ground floor extension with internal courtyard/sedum roof and framele…
21/04624/HOU
2020 Approved
62 Green Dragon Lane London N21 2LH
Single storey rear extension with replacement windows and bi folding doors.
20/03642/HOU
2020 Approved
44 Grange Park Avenue London N21 2LJ
Single storey rear extension 5.00m deep x 3.70m high (2.50m high to eaves).
20/02630/PRH
2020 Approved
39 Green Dragon Lane London N21 2LB
Single storey rear extension.
20/01152/CEA
2020 Approved
58 Grange Park Avenue London N21 2LL
Extension to roof at side, rear dormer and rooflights to front.
20/00525/HOU
2019 Approved
58 Grange Park Avenue London N21 2LL
Extension and Conversion of garage into a habitable room involving alterations to front e…
19/03875/HOU
2019 Approved
58 Grange Park Avenue Winchmore Hill London N21 2LL
Rear dormer with front roof lights.
19/03161/CEA
2018 Approved
54 Grange Park Avenue Winchmore Hill London N21 2LL
Part conversion of garage to rear into habitable room involving single storey front exten…
18/04519/HOU
2018 Approved
48 Grange Park Avenue Winchmore Hill London N21 2LJ
Part-single, part 2-storey front/side extension involving replacement garage, together wi…
18/03554/HOU
2018 Approved
56 Grange Park Avenue Winchmore Hill London N21 2LL
Part single part 2-storey side and rear extension together with rear dormer.
18/02579/HOU
2018 Approved
52 Grange Park Avenue Winchmore Hill London N21 2LL
Single storey rear extension.
18/01054/HOU
2017 Approved
48 Grange Park Avenue Winchmore Hill London N21 2LJ
First floor infill extension at side involving alterations to roof.
17/04689/HOU
2017 Approved
48 Grange Park Avenue Winchmore Hill London N21 2LJ
Extension to roof at side to form gable end with rear dormer and front rooflights.
17/03451/CEA
2017 Approved
25 Green Dragon Lane London N21 2LB
Two storey side extension and first floor rear extension (PART RETROSPECTIVE).
17/02414/HOU
2017 Refused
25 Green Dragon Lane London N21 2LB
First floor side and rear extension, 2 x side dormers and ground floor side extension (pa…
17/01113/HOU
2017 Refused
25 Green Dragon Lane London N21 2LB
Extensions to roof and side dormer window, 2 x sider dormers and ground floor side extens…
17/01112/HOU
2016 Approved
25 Green Dragon Lane London N21 2LB
Single storey side and rear extension.
16/05933/HOU
2016 Refused
25 Green Dragon Lane London N21 2LB
Single storey side and rear extension.
16/04906/HOU
2016 Approved
68 Grange Park Avenue Winchmore Hill London N21 2LL
Single storey rear extension 6m deep x 4m high (3m high to eaves)
16/05280/PRH
2016 Refused
70 Grange Park Avenue Winchmore Hill London N21 2LL
Single storey rear extension.
16/03736/CEA
2016 Approved
70 Grange Park Avenue Winchmore Hill London N21 2LL
Single storey rear extension 6m deep x 4m high (3m high to eaves)
16/03014/PRH
2023 Approved
72 Grange Park Avenue London N21 2LL
Conversion of garage into habitable room involving alterations to front elevation.
23/00585/CEU
2022 Approved
46 Green Dragon Lane London N21 2LH
Variation of condition 02 of application 21/04624/HOU to allow the replacement of the gla…
22/01273/VAR
2018 Approved
25 Green Dragon Lane London N21 2LB
Installation of window to rear gable.
17/05363/CEU
2017 Approved
68 Grange Park Avenue Winchmore Hill London N21 2LL
Single storey rear extension pursuant to prior approval ref: 16/05280/PRH.
17/02247/CEA
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 performance
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