Planning applications in N3

1 - 109 Spencer Close London N3 3TZ

Non material amendment to planning permission 25/4368/FUL dated 14/01/2026 for `Replacement of external windows and doors.` Amendment include to allow for either double or triple glazed window options

16 And 18 Squires Lane London N3 2AT

Single storey rear extension with 3no. rooflights to both properties

28 Fursby Avenue London N3 1PL

Erection of a rear outbuilding

176A Station Road London N3 2SG

Submission of details of condition 4 (TFL) pursuant to planning permission 24/1224/FUL dated 19/06/2024

144 Hendon Lane London N3 3PS

Roof extension involving partial hip to gable, rear dormer windows, 3no. front facing rooflights and new side gable window

First Floor Offices 349 Regents Park Road London N3 1DH

Change of use of part first floor from offices (Class E) into 2no. self-contained flats (Class C3)

54 Dollis Park London N3 1BS

Erection of a rear annexe

31 Allandale Avenue London N3 3PY

Two storey side and rear extension with rear balcony with associated privacy screen and balustrade. Insertion of 3no. front facing rooflights.

37 Cornwall Avenue London N3 1LG

Single storey rear extension following demolition of the existing sun room. Roof extension involving rear dormer windows and 4no. front facing rooflights

16 Park Avenue London N3 2EJ

Single storey rear extension with 1no. roof lantern and new patio area

11 Windermere Avenue London N3 3QX

Erection of a timber refuse store and bike shed to the front garden. Installation of an electrical vehicular charging point

63 Church Crescent London N3 1BL

Single storey side and rear extension following demolition of the existing garage

63 Church Crescent London N3 1BL

Roof extension involving hip to gable and rear dormer window

18 Redbourne Avenue London N3 2BS

Erection of a rear outbuilding

2 Queens Road London N3 2AG

Single storey side/rear extension with 1no. roof lantern following demolition of the existing conservatory

2 Queens Road London N3 2AG

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

Land Adjacent To Railway Viaduct Links View London N3 1RN

1 x Ash (applicants ref. T1) - Height 16m, spread 14m. Reduction of 2 metres. Standing in Area A1 of Tree Preservation Order.

West Court Gravel Hill London N3 3RL

Non-material amendments to planning permission reference 19/5526/FUL dated 02/10/20 for 'Part single, part two storey side and rear extensions to form 1no self contained flat. Single storey side extension. Extension and formation of new roof including 1no front and 2no rear dormers and rooflights to provide 1no self-contained flat.' Amendments include removal of condition 8 (Demolition and Construction Management and Logistics Plan) and variation to the wording of condition 11 (Air Quality Neutral Assessment Report)

225 - 229 Regents Park Road London N3 3LD

Single storey rear extension to provide 50 additional seating. Use of the rear extension as a shisha lounge including retractable roof. (Retrospective application) (AMENDED DESCRIPTION)

116 Regents Park Road London N3 3HY

Change of use of from veterinary surgery (Class E) to 2no. self-contained flat (Class C3)

22 Claremont Park London N3 1TH

Retention of single storey side extension following demolition of the existing garage (AMENDED DESCRIPTION)

Flat 2 29 The Grove London N3 1QT

Installation of ground floor side window

48 Rosemary Avenue London N3 2QN

Roof extension involving hip to gable, rear dormer window, 2no front facing rooflights. Removal of chimney (AMENDED DESCRIPTION)

5 Stanhope Avenue London N3 3LX

Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no. front facing rooflights

2 Queens Road London N3 2AG

Single storey rear extension with a maximum depth of 5.07m, a maximum height of 3.0m and an eaves height of 3.0m

5 Stanhope Avenue London N3 3LX

Two storey rear extension with green roof and new terrace area following demolition of the existing shed. New ground floor side window. New front retaining wall, ramp and access steps with associated railings. New hardstanding to provide off-street parking. New side access gate and refuse storage area

3 Redbourne Avenue London N3 2BP

Roof extension involving rear dormer window, 3no. front facing rooflights and new side gable windows. Erection of a rear outbuilding following demolition of the existing sheds. Demolition of a chimney (AMENDED DESCRIPTION)

8 Allandale Avenue London N3 3PJ

Single storey rear extension with a proposed depth of 8.00m from original rear wall, maximum height of 3.00m and an eaves height of between 2.77m and 2.83m

11 Cyprus Gardens London N3 1SP

Submission of details of condition 6 (Privacy Screen) pursuant to planning permission 25/1148/HSE dated 24/04/2025

26 Howcroft Crescent London N3 1PB

Single storey side extension following the removal of the existing covered area. Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no. front facing rooflights (DESCRIPTION AMENDED) Single storey side extension - Flat roof

221 Ballards Lane London N3 1LY

Variation of condition 1 (Approved plans) pursuant to planning permission 18/6506/FUL dated 01/04/2019 for `Conversion of existing dwelling into 3no self-contained flats including part single, part three storey rear extensions. Associated cycle store, refuse/recycling and amenity space.` Amendments include removal of the allocation of the rear garden to flats B and C

26 Howcroft Crescent London N3 1PB

Single storey rear extension with roof lantern and 2no. rooflights

250 Regents Park Road London N3 3HN

Change of use of part ground floor and basement from (Class E) into 2no. self-contained flats (Class C3) Associated amenity space and cycle storage

First Floor Flat 33 Grove Avenue London N3 1QS

Change of use of the upper floor flat (Class C3) to a 3 bed House in Multiple Occupation (HMO) (Class C4). Associated refuse/recycling and cycle storage (AMENDED DESCRIPTION)

91 Lyndhurst Gardens London N3 1TE

Submission of details of conditions 5 (Noise mitigation measures) 7 (Tree protection plan) 8 (Excavations for service) 9 (Foundations) dated 25/3939/HSE for 28/01/2026

1 Rosemary Avenue London N3 2QP

Non material amendment to planning permission 25/2642/HSE dated 30/07/2025 for `Single storey rear extension with 2no. rooflights, following demolition of existing sunroom and rear outrigger.` Amendment includes addition of 2no. side windows

Cornwall House Cornwall Avenue London N3 1LD

Change of use from doctors surgery to children's day nursery involving internal and external alterations, as well as alterations to doors and windows. Associated alterations to hard and soft landscaping, and provision of cycle, refuse, buggy and toy stores. Installation of 1no. Air Conditioning unit within associated timber enclosure. New access gates, restoration of boundary walls and installation of secondary privacy fencing

Cornwall House Cornwall Avenue London N3 1LD

Change of use from doctors surgery to children's day nursery involving internal and external alterations, as well as alterations to doors and windows. Associated alterations to hard and soft landscaping, and provision of cycle, refuse, buggy and toy stores. Installation of 1no. Air Conditioning unit within associated timber enclosure. New access gates, restoration of boundary walls and installation of secondary privacy fencing. Internal alterations including: New internal staircase to replace an existing staircase; Alterations to rear porch; Removal of modern stud wall; Creation of openings in walls; Changes to internal doors; Addition of a dumb waiter between ground floor kitchen and first floor level; Removal of storage cupboards; Removal of secondary internal door to front entrance; Installation of additional WCs (Listed Building Consent)

30 Arden Road London N3 3AN

Part single, part two storey rear extension

35 Orchard Avenue London N3 3NL

Roof extension involving hip to gable, rear dormer window, 1no. rear and 2no. front facing rooflights and new side gable window

24 Mountfield Road London N3 3NE

Roof extension involving rear dormer window and 1no. rooflight

35 Orchard Avenue London N3 3NL

Single storey side and rear extension with 1no. rooflight and extension of the existing raised patio and associated balustrade and rear access steps following demolition of the existing garage and extension

24 Mountfield Road London N3 3NE

Single storey side and rear extension wrap-around extension with 5no. rooflights

42 Squires Lane London N3 2AT

Single storey rear extension with a proposed maximum depth of 4.00m, maximum height of 3.02m and eaves height of 2.95m

19 St Marys Avenue London N3 1SN

Single storey rear extension. Rear Patio. Roof extension including hip to gable and rear dormer window. Alterations to front elevation involving changes to fenestration and external material finishes

26 Clifton Avenue London N3 1BN

Non material amendment to planning permission 22/4172/HSE dated 25/10/2022 for 'Single storey rear extension following removal of existing bay window. Roof extension involving hip to gable, rear dormer, and 4no front facing rooflights'. Amendments includes minor alterations to fenestration and rooflight provision

22 Dollis Park London N3 1HN

Conversion of existing single family dwellinghouse into 2no. self-contained flats including single storey side infill extension. Associated amenity space, refuse and cycle storage

18 Sellers Hall Close London N3 1JL

New front porch. Replacement of existing rear windows and doors including ground floor double doors and first floor windows with new balustrades to terrace area and 2no. second floor juliette balconies . Render finish to existing ground floor rear and side elevation

38 Village Road London N3 1TJ

Replacement of windows to match existing

22 Claremont Park London N3 1TH

Single storey side extension following demolition of the existing garage