Planning applications in N20
We hold 447 planning applications for the N20 postcode area, 236 of them submitted in the past year. 85% of decided applications here were approved. A decision typically takes 46 days. The area is covered by Barnet, Brent.
Towns and villages in N20
Councils covering N20
Recent applications in N20
New front hardstanding and pathway to provide off-street parking
1 x Dead Beech (applicants ref. T1) - Fell. Standing in T27 of Tree Preservation Order. (Exempt works)
Construction of a swimming pool and associated hard and soft landscaping following demolition of the existing shed including new access steps. Alterations to the ground level. Replacement of an existing timber decking terrace with a paved terrace.
Construction of a swimming pool and associated hard and soft landscaping following demolition of the existing shed including new access steps. Alterations to the ground level. Replacement of an existing timber decking terrace with a paved terrace.
Telecommunications notification for installation of 1 above ground cabinet on footpath outside 15...
Submission of details of condition 7 (Stage 1 - written scheme of investigation) (WSI)) pursuant to planning permission 25/2951/HSE dated 10/09/2025
Alterations to rear elevation with new ground floor rear patio/terrace with associated balustrade and steps to garden.
Enlargement of basement/lower ground floor, Part single, part two storey side/rear extensions. Conversion of garage into habitable space, insertion of window to replace garage door. Enlargement of existing Roof extension, rear dormer window. with 3no. front facing rooflights
Changes to fenestration including new rear sliding doors, blocking of side door and new first floor rear balustrade. New rear terrace with access steps
Installation of new automated vehicular access gate with railings and fence to front driveway
Single storey rear extension with 3no. rooflights following demolition of the existing shed and outrigger
Single storey side and rear extension following demolition of the existing garage, outbuildings and rear extension. Alterations to front door.
1 x Oak (applicants ref. T1) - Lower 5 main branches overhanging Chandos Avenue. Safely reduce back to strong growth by approx. 5m to strong growth. Standing in Group G5 of Tree Preservation Order. 1 x Horse Chestnut (applicants ref. T2) - Reduce 2 main stems overhanging Chandos Avenue by approx. 2m. Standing in Group G5 of Tree Preservation Order.
Erection of rear outbuilding
Erection of 2no. single-storey timber framed outbuildings to the side elevation
Single storey rear extension following demolition of the existing conservatory. Alterations to patio steps. (amended description).
1 x Beech (applicants ref. T1) - Reduce left hand side of the tree, lateral spread and upper crown by up to 2m to prevent limbs from becoming too heavy and prevent the risk of failure over the building. Reduce the remaining crown by up to 1.5m in order to balance spread and shape of tree and prevent excessive growth over neighbouring gardens. Standing in T37 of Tree Preservation Order.
First floor rear extension with terrace area and associated metal balustrade. Alterations and extension to roof to create new mansard roof (as approved under 22/1275/HSE) with the addition of front, side and rear dormer windows and rooflights to side elevations and flat roof
1 x Dead Holly (applicants ref. T1) - Fell. Standing in Area A1 of Tree Preservation Order. (Exempt works)
Submission of details of conditions 4 (Levels) and 5 (Tree Protection) pursuant to planning permission 26/2105/HSE dated 31/07/26
1 x Willow (applicants ref. T1) - Remove two large snapped hanging branches to make safe. Pollard tree to approx height of previous pollarding. Standing in Area A1 of Tree Preservation Order. 1 x Dead Sycamore (applicants ref. T2) - Remove to ground level. Standing in Area A1 of Tree Preservation Order. 1 x Ash (applicants ref. T3) - Remove dead, partially snapped branch overhanging croquet lawn. Standing in Area A1 of Tree Preservation Order. 1 x Unknown Tree (applicants ref. T4) - Remove dead branch hanging over children's play area. Standing in Area A1 of Tree Preservation Order.
1 x Silver Birch - Remove.
Installation of a front air conditioning unit
2 x Hornbeam (applicants ref. T2, T3) - Reduce lateral branches overhanging the property by 1.5 metres. Standing in Group G72 of Tree Preservation Order.
Single storey rear extension with a proposed depth of 4.00 metres, maximum height of 3.50 metres and eaves height of 2.50 metres.
1 x Swamp Cypress (applicants ref. T1) - Reduce height by 3 metres. 1 x Ash (applicants ref. T4) - Crownlift Ash to 3 metres in height.
Two storey front extensions including the conversion of the garage to habitable room and replacement of garage door with window. First floor rear infill extension with associated balcony. Roof extension, including new crown roof with a skylight, rear and side dormer window and 2no. front facing rooflights following demolition of existing. Alterations to front facade and changes to fenestration
First floor rear extension
Submission of details of condition 6 (Low impact lighting Bats) 8 (Materials) pursuant to planning permission 25/3776/HSE dated 12/06/2026
1 x Ash (applicants ref. T1) - Remove.
Submission of details of condition 3 (Materials) pursuant to planning permission 25/3777/LBC dated 12/06/2026
Erection of a rear outbuilding
Conversion of the existing garage into habitable room and incorporation into the main dwelling, including replacement of the garage door with arched window and associated alterations to the side and rear elevations
Single storey rear extension with a depth of 6.00m, maximum height of 3.18m and an eaves height of 3.23m
Single storey rear extension with a proposed maximum depth of 8.00 metres, maximum height of 3.30 metres and eaves height of 3.00 metres, following demolition of the existing conservatory.
Alterations to existing garage including single storey front extension, increase in height of roof and conversion into habitable room. First floor side extension. New front Porch. Changes to fenestration
Roof extension involving hip to gable, rear dormer window with juliette balcony and new side gable windows. Erection of a rear outbuilding
Enlargement, improvement, and alteration to the existing dwellinghouse, including 2no. single storey rear extensions, and a single storey basement beneath the original dwellinghouse
Single storey rear extension with 2no. roof lanterns following demolition of the existing conservatory
Two storey side and rear extensions following the demolition of existing front porch and garage. New front hardstanding and vehicular access to provide off-street parking with new hard and soft landscaping. Roof extension with 2no. rear dormer windows, juliette balcony with 4no. front, 3no. side facing and 4no. rooflights on main roof
Single storey side and rear extension with 1no. skylight following demolition of the existing garage and decking area. New front porch
Single storey rear extension following demolition of the existing conservatory. Alterations to the existing patio area
Submission of details of condition 16 (Pre-completion Sound Insulation Test Certificates) pursuant to planning permission 23/2239/FUL dated 02/01/24
Infill single storey side extension with mono pitched roof. Two storey rear extension following demolition of the existing rear extensions. New rear Patio. Roof extension with associated loft conversion, including crown roof sides and 2nos. rear and 1no. front rooflights. Conversion of existing garage into habitable room including insertion of window to replace existing door and infill side door. New render to front elevation. Fenestration changes to replace existing front windows with new windows and creation of new windows in flank walls with infill of existing first floor side window.
Single storey rear extension
1 x Sycamore (applicants ref. T1) - Remove.
Erection of a front boundary wall with associated piers, railings and gates
1 x Leylandii (applicants ref. T1) - Reduce height by 2-2.5m. 1 x Sycamore (applicants ref. T2) - Reduce crown by 3-3.5m, back to previous cuts. 1 x Sycamore (applicants ref. T3) - Reduce height by 4m and shape it.
1 x Ash (applicants ref. T1) - Remove dangerous branch. Standing in Group G7 of Tree Preservation Order. Exmpt Work.
Erection of a rear outbuilding