House extensions in Enfield

Enfield received 2,448 householder applications in the last 12 months - about 47 a week. Rear extensions and dormers are the most common. Of the 1,960 decided so far, 1,555 were approved. If you're planning your own, the applications below show what people nearby applied for and how the council decided.

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Showing 50 of 667 applications
2 days ago Application in Progress 26/04132/CEA

70 Stainton Road Enfield EN3 5JR

Single storey rear extension, rear dormer and front roof lights.

Cert of Lawful Use/Operation - Proposed Enfield
24 Oct 2026 Application in Progress 26/04091/CEA

54 Cornwallis Grove London N9 0JS

Rear dormer, dormer to rear outrigger and front roof lights.

Cert of Lawful Use/Operation - Proposed Enfield
22 Oct 2026 Application in Progress 26/04405/CEU

78 Broadfields Avenue London N21 1AH

Existing rear dormer.

Cert of Lawful Use/Operation - Existing Enfield
21 Oct 2026 Application in Progress 26/04358/HOU

1 Holly Hill London N21 1NN

Single storey side extension, partial conversion of the existing attached garage, extension of the existing rear patio and associated internal alterat...

Householder Enfield
21 Oct 2026 Application in Progress 26/04348/HOU

23 Chestnut Close London N14 4SG

Rear dormer with Juliette balcony, front rooflights together with alterations to existing single storey rear extension and Juliette balcony to first f...

Householder Enfield
20 Oct 2026 Application in Progress 26/04288/HOU

16 Clifton Gardens Enfield EN2 7PJ

Front hardstanding.

Householder Enfield
20 Oct 2026 Application in Progress 26/04128/FUL

110 Gordon Road Enfield EN2 0QA

Construction of hard standing in connection with vehicular access.

Full Enfield
20 Oct 2026 Application in Progress 26/04402/FUL

85 Southfield Road Enfield EN3 4BU

Change of use from Use Class C3 (dwelling house) to a Class Sui Generis (HMO - house in multiple occupation) with single storey rear infill extension,...

Full Enfield
20 Oct 2026 Application in Progress 26/04346/PRH

110 Town Road London N9 0RL

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

Class A HH - Prior Approval Enfield
20 Oct 2026 Application in Progress 26/03025/HOU

14 Countisbury Avenue Enfield EN1 2NL

Single storey rear extension and front entrance porch.

Householder Enfield
20 Oct 2026 Application in Progress 26/04188/FUL

DFS Enfield 270 Great Cambridge Road Enfield EN1 1UJ

Insertion of mezzanine floor.

Full Enfield
19 Oct 2026 Application in Progress 26/04302/CEA

14 Ravenscraig Road London N11 1AD

Extension of roof to side, rear dormer with juliette balcony and front roof lights.

Cert of Lawful Use/Operation - Proposed Enfield
19 Oct 2026 Application in Progress 26/04156/HOU

The Old School Church Hill London N21 1JA

Single storey rear extension, involving demolition of existing conservatory.

Householder Enfield
19 Oct 2026 Application in Progress 26/04437/HOU

113 The Chine London N21 2EG

Single storey rear extension and new rooflights involving removal of existing conservatory and bay window.

Householder Enfield
19 Oct 2026 Application in Progress 26/04438/FUL

36 Gordon Road Enfield EN2 0PZ

Change of use from a shop (Use Class E) to a single dwelling house (Use Class C3) involving erection of front boundary wall, together with replacement...

Full Enfield
19 Oct 2026 Application in Progress 26/04441/CEA

52 Turkey Street Enfield EN3 5TP

Single storey rear extension, extension of roof to side to form gable, rear dormer with front roof lights.

Cert of Lawful Use/Operation - Proposed Enfield
19 Oct 2026 Application in Progress 26/04304/HOU

48 Clay Hill Enfield EN2 9AW

Part single, part 2 storey rear/side extension with front porch.

Householder Enfield
19 Oct 2026 Application in Progress 26/04234/CEA

74 Arnos Grove London N14 7AR

Extension of roof to side to form gable, rear dormer and front roof lights.

Cert of Lawful Use/Operation - Proposed Enfield
19 Oct 2026 Application in Progress 26/04340/HOU

60 Southbury Road Enfield EN1 1YB

Single storey side and rear extension.

Householder Enfield
19 Oct 2026 Application in Progress 26/04293/HOU

18 Peartree Road Enfield EN1 3DF

Detached outbuilding at rear.

Householder Enfield
19 Oct 2026 Application in Progress 26/04280/CEA

11 York Road London N18 2JZ

Loft Conversion

Cert of Lawful Use/Operation - Proposed Enfield
19 Oct 2026 Application in Progress 26/04337/CEA

14 Belsize Avenue London N13 4TJ

Rear dormer with front rooflights.

Cert of Lawful Use/Operation - Proposed Enfield
19 Oct 2026 Application in Progress 26/04245/CEA

14 Apple Grove Enfield EN1 3DD

Single storey rear extension and internal alterations.

Cert of Lawful Use/Operation - Proposed Enfield
19 Oct 2026 Application in Progress 26/04187/FUL

DFS Enfield 270 Great Cambridge Road Enfield EN1 1UJ

Alterations to front elevation, involving new glazing, recladding and external alterations.

Full Enfield
19 Oct 2026 Application in Progress 26/03900/HOU

14A Beech Hill Avenue Enfield EN4 0LN

Detached outbuilding at rear.

Householder Enfield
19 Oct 2026 Application in Progress 26/04099/CEA

13 Glenville Avenue Enfield EN2 0ER

Single storey rear extension, with rear dormer with front roof lights.

Cert of Lawful Use/Operation - Proposed Enfield
16 Oct 2026 Application in Progress 26/04423/CEA

51 South Lodge Drive London N14 4XG

Erection of an outbuilding following demolition of the existing garage.

Cert of Lawful Use/Operation - Proposed Enfield
16 Oct 2026 Application in Progress 26/04196/CEA

80 Burford Gardens London N13 4LP

Single storey side infill extension and changes to rear fenestration.

Cert of Lawful Use/Operation - Proposed Enfield
16 Oct 2026 Application in Progress 26/04189/FUL

241 Green Street Enfield EN3 7SJ

External wall cladding to all facades and replacement of all fenestration.

Full Enfield
16 Oct 2026 Application in Progress 26/04421/HOU

11 Mitchell Road London N13 6EG

First floor rear extension with pitched roof.

Householder Enfield
16 Oct 2026 Application in Progress 26/04416/HOU

166 Green Dragon Lane London N21 1EP

Single storey side extension with replacement garage and pitched roof.

Householder Enfield
16 Oct 2026 Application in Progress 26/04311/FUL

2A Nags Head Road Enfield EN3 7AJ

Change of use from Use Class C3 (3 self-contained flats) to Use Class C4 (HMO-house in multiple occupation) with internal alterations, the enlargement...

Full Enfield
16 Oct 2026 Application in Progress 26/04057/CEA

16 Kingwell Road Barnet EN4 0HY

Rear dormer with juliette balcony and front roof lights.

Cert of Lawful Use/Operation - Proposed Enfield
16 Oct 2026 Application in Progress 26/04422/FUL

463 - 465 Hertford Road Enfield EN3 5UT

Single storey front extension, changes to shop front.

Full Enfield
16 Oct 2026 Application in Progress 26/03896/CEA

14 Gough Road Enfield EN1 3QL

Rear dormer and front rooflights.

Cert of Lawful Use/Operation - Proposed Enfield
15 Oct 2026 Application in Progress 26/04389/FUL

13 Park Road Enfield EN3 6SP

Change of use from Use Class C3 (dwelling house) to Use Class C4 (HMO-house in multiple occupation) with rear dormer to outrigger dormer, front roof l...

Full Enfield
15 Oct 2026 Application in Progress 26/04382/FUL

85 Monmouth Road London N9 0JD

Change of use from dwelling house (Class C3) to HMO-house in multiple occupation (Class C4) for up to 6 persons, including demolition of existing outb...

Full Enfield
15 Oct 2026 Application in Progress 26/04244/FUL

64 And 66 Ulleswater Road London N14 7BT

Single-storey rear/side extensions at 64 and 66 Ulleswater Road.

Full Enfield
15 Oct 2026 Application in Progress 26/04180/HOU

243 Nightingale Road London N9 8QL

Rear dormer with front rooflights involving hip to gable roof extension.

Householder Enfield
15 Oct 2026 Application in Progress 26/04145/HOU

5 Herrongate Close Enfield EN1 3BL

Single storey rear extension involving demolition of existing conservatory and garage.

Householder Enfield
15 Oct 2026 Application in Progress 26/04393/CEA

53 York Road London N18 2LQ

Single storey rear extension, rear dormer and front roof lights.

Cert of Lawful Use/Operation - Proposed Enfield
15 Oct 2026 Application in Progress 26/04398/PRH

5 Titchfield Road Enfield EN3 6AZ

Single storey rear extension 6m deep x 3m high (2.1m high to eaves) including demolition of existing rear extension and single-storey infill extension...

Class A HH - Prior Approval Enfield
15 Oct 2026 Application in Progress 26/04397/PRH

31 Craig Park Road London N18 2HG

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

Class A HH - Prior Approval Enfield
15 Oct 2026 Application in Progress 26/04396/PRH

6 Eldon Road London N9 8LG

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

Class A HH - Prior Approval Enfield
15 Oct 2026 Application in Progress 26/04392/PRH

53 York Road London N18 2LQ

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

Class A HH - Prior Approval Enfield
15 Oct 2026 Application in Progress 26/04391/PRH

14 Henley Road London N18 1NT

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

Class A HH - Prior Approval Enfield
15 Oct 2026 Application in Progress 26/03858/HOU

40 South Lodge Drive London N14 4XP

Part single, part 2 storey rear extension, together with part extension to roof at side, rear dormer, front and side roof lights.

Householder Enfield
14 Oct 2026 Application in Progress 26/03887/FUL

19 Capel Road Enfield EN1 4SP

Change of use from Use Class C3 (dwelling house) to a Class Sui Generis (HMO - house in multiple occupation) involving part single, part 2-storey side...

Full Enfield
14 Oct 2026 Application in Progress 26/03865/FUL

55 Broadlands Avenue Enfield EN3 5AQ

Change of use from Use Class C3 (dwelling house) to Use Class C4 (HMO-house in multiple occupation) for 5 people involving single storey side extensio...

Full Enfield
14 Oct 2026 Application in Progress 26/04118/FUL

28 St Edmunds Road London N9 7PT

Change of use from Use Class C3 (dwelling house) to Use Class C4 (HMO-house in multiple occupation) involving single storey rear extension, rear dorme...

Full Enfield
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Frequently asked questions

When do you need planning permission for a house extension?
Single-storey rear extensions up to 4m (detached) or 3m (semi-detached / terraced) are usually permitted development. Two-storey extensions, anything in a conservation area, or larger projects almost always need a planning application.
What's the difference between planning permission and permitted development?
Permitted development rights let you build certain things without applying for planning permission, subject to specified limits. Anything outside those limits, whether taller, larger or in a protected area, needs full planning permission.
How long does a householder application take?
The statutory target is 8 weeks from validation. Most simple householder extensions are decided within that window; complex or contested cases, especially those drawing a lot of comments, can take longer.
Can I get email alerts for new extensions applications in Enfield?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new extensions application published by Enfield. You can also narrow the alert to a postcode, street, or drawn area.

We check Enfield's planning portal daily. New extensions applications appear here within a day of being published.