Postcode district
Planning applications in N21
PlanIndex holds 747 planning applications with N21 postcodes, the earliest from 2000, the newest from October 2026. 79% of clear-cut decisions were approvals.
Applications in N21
Newest first · page 1 of 15
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26/04416/HOU Awaiting decision
166 Green Dragon Lane London N21 1EP
Single storey side extension with replacement garage and pitched roof.
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26/04403/CND Awaiting decision
Rear Of 6-9 Harwoods Yard London N21 1BJ
Details submitted pursuant to reference: 21/01010/FUL : Biodiversity Enhancements (10), Refuse Storage (12), Cycle Spaces (16), Boundary Treatments (17), in respect of redevelopment of site by the erection of two detached dwelling houses with associated private amenity space.
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26/04358/HOU Awaiting decision
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 alterations.
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26/04253/CND Awaiting decision
Land Rear Of 101 Halstead Road London N21 3DR
Details submitted pursuant to reference 22/03006/FUL: verification report (11) in respect of construction of detached 3 bed dwelling house with lower ground floor level.
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26/04255/TCA Decided
8 The Grangeway London N21 2HA
Works to trees in Grange Park Conservation area: (T1) Bay - reduce by 2m, (T2) Cherry - reduce back to previous points by up to 1.5m, (T3,T4) 2x Damson - fell to ground level.
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26/04232/CEA Awaiting decision
182 Winchmore Hill Road London N21 1QP
Extension of roof to side to form gable, rear dormer and front roof lights.
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26/04233/TCA Decided
97A The Chine London N21 2EG
Works to trees in Grange Park Conservation area: (1)Robinia, (2)Silver Birch - Crown reduce by 2.5m.
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26/04239/TCA Decided
14 The Grangeway London N21 2HA
Works to trees in Grange Park Conservation area: (T1)Malus, (T2)Cherry - crown reduce by up to 2m back to previous pruning points.
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26/04223/FUL Awaiting decision
12 Hyde Park Gardens London N21 2PN
Change of use from Use Class C3 (dwelling house) to Use Class C4 (HMO-house in multiple occupation) with associated amenity, cycle and refuse storage.
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26/04210/TCA Awaiting decision
89 Old Park Ridings London N21 2ER
Works to trees in Grange Park Conservation area: Hornbeam (T1) - reduce crown by up to 1.5m overall, (G1) 7x Hornbeam - reduce branches overhanging this garden by up to 2m, reduce southerly branches by 3m almost to the boundary line on left tree in row.
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26/04214/CND Awaiting decision
42 Old Park Ridings London N21 2ES
Details submitted pursuant to reference 26/00053/HOU: external materials (3) in respect of part single, part two-storey side and rear extensions, loft conversion with rear and side dormer windows.
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26/04198/HOU Awaiting decision
125 The Chine London N21 2EG
New front boundary wall and new surfacing to existing hard standing.
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26/04179/HOU Awaiting decision
39 Uplands Way London N21 1DH
Single storey rear extension, roof extension incorporating rear dormer with juliet balcony and changes to rear fenestration.
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26/04186/HOU Awaiting decision
49 The Chine London N21 2EE
Extension to roof at rear to facilitate extension of existing loft space, involving new rear windows to second floor and roof lights.
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26/04182/CND Awaiting decision
10 Harwoods Yard London N21 1BJ
Details submitted pursuant to ref: 26/01544/HOU: detailed drawings (05) in respect of single storey rear extension.
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26/04169/HOU Awaiting decision
240 Winchmore Hill Road London N21 1QR
Single storey rear extension, front porch.
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26/04138/HOU Awaiting decision
2 Myddelton Gardens London N21 2PA
Two storey side extension.
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26/04163/HOU Awaiting decision
10 The Orchard London N21 2DH
Replacement of existing garage with 2 storey detached granny annex at rear.
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26/04134/PRH Awaiting decision
15 Halstead Road London N21 3EG
Single storey rear extension 6m deep x 3m high (3m high to eaves).
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26/04120/TPO Awaiting decision
126 Wades Hill London N21 1EH
Works to trees covered by LBE ORDER NO 33 1970: (T1,T2) 2x Oak (Quercus) - Crown reduction by 2.5m in height bringing lateral growth to shape by 2m.
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26/04071/TPO Awaiting decision
Penrose House 16 Newsholme Drive London N21 1TW
Works to trees covered by TPO 444 (2026): (T1,T2) 2x Oak - Remove (fell) to near ground level and treat stump to inhibit regrowth.
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26/04071/TCA Awaiting decision
Penrose House 16 Newsholme Drive London N21 1TW
Works to trees in Highlands Conservation area: (T1,T2) 2x Oak - Remove (fell) to near ground level and treat stump to inhibit regrowth.
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26/04072/HOU Awaiting decision
49 The Chine London N21 2EE
Single storey side/rear extension involving demolition/rebuild of existing garage, rear patio, replacement windows and front door, roof lights, rear roof solar panels and condenser unit to garage roof.
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26/04038/HOU Awaiting decision
70 Broad Walk London N21 3BX
Part single, part 2-storey side extension.
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26/04045/ADV Awaiting decision
12 Wades Hill London N21 1BG
Installation of externally illuminated fascia sign.
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26/04049/HOU Awaiting decision
14 Downes Court London N21 3PS
Conversion of garage into habitable room.
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26/04033/HOU Awaiting decision
154 Barrowell Green London N21 3AX
Single storey infill extension at rear.
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26/03958/FUL Awaiting decision
Salisbury Arms Public House Hoppers Road London N21 3NP
Erection of 2m high timber fence to front garden/patio area, along part of the Lynwood Grove boundary.
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26/03940/CND Awaiting decision
1 - 24 River Bank London N21 2AA
Details submitted pursuant to ref: 25/02377/FUL: SuDS (11), in respect of construction of fourth floor to all blocks totalling 8 x 2 bed self-contained flats with balconies and 3-storey rear extension to provide lift shaft.
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26/03908/CEA Awaiting decision
50A Firs Lane London N21 3HX
Change of use from single dwelling house (Use Class C3) to residential Institution (Use Class C2) for two children aged 7-18 years old supervised by staff providing 24-hour care on a rota basis.
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26/03923/FUL Awaiting decision
Caretakers House Eversley Primary School Chaseville Park Road London N21 1PD
Sub-division of the site and change of use from ancillary vacant school care takers house (Class F1) to construction of a dwelling house (Class C3), involving demolition of storage units.
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26/03918/HOU Awaiting decision
6 College Road London N21 3LL
Single storey rear infill extension involving demolition of existing conservatory.
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26/03884/FUL Awaiting decision
7A Wades Hill London N21 1BD
Replacement of 3 front elevation windows with double-glazed redwood timber windows designed to exactly match the historic style, profile, and opening mechanism of the existing windows.
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26/03811/CEA Decided
15 Halstead Road London N21 3EG
Rear dormer and front roof lights.
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26/03794/FUL Awaiting decision
6 Cranleigh Gardens London N21 1DS
Redevelopment of site with construction of 2-storey dwelling house with associated amenity space and parking.
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26/03787/HOU Awaiting decision
50 Berkeley Gardens London N21 2BD
Vehicular crossover and associated hardstanding.
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26/03761/ADV Awaiting decision
Land At Newsholme Drive London N21 1UE
Installation of non-illuminated 3 x pole mounted signs.
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26/03760/FUL Awaiting decision
Land At Newsholme Drive London N21 1UE
Installation of 1 x EV charger, ANPR camera, associated EV infrastructure, charging and waiting spaces, dropped kerb, hardstanding and landscaping works.
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26/03721/CEA Awaiting decision
7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 37, 38, 39, 40, 41, 42, 43, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56A And 57 Barrow Close London N21 3BD
Installation external wall insulation to the all elevations.
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26/03726/FUL Awaiting decision
Winchmore Library Green Lanes London N21 3AP
Change of use from a library (class F1) to a nursery (class E(f)). The proposed works to include the addition of 10x rooflights within the existing roof structure, an addition of tempered glass balustrade above the existing flat roof area and the addition of two fire-escape doors to the rear of the building. An internal staircase is proposed to provide access to a new floor, which will be accommodated within the existing building structure.
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26/03689/FUL Awaiting decision
15 Halstead Road London N21 3EG
Change of use from Use Class C3 (dwelling house) to a Class Sui-Generis (HMO-house in multiple occupation) for up to seven persons with associated amenity, refuse and cycle storage involving rear dormer with front roof lights.
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26/03687/FUL Awaiting decision
15 Halstead Road London N21 3EG
Change of use from Use Class C3 (dwelling house) to Use Class C4 (HMO-house in multiple occupation) for up to 6 persons, including rear dormer with front roof lights, with associated amenity, refuse and cycle storage
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26/03724/HOU Awaiting decision
54 Cheyne Walk London N21 1DE
Rear dormer with gable end roof extension and front roof lights, together with conversion of garage into habitable room involving alterations to front elevation.
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26/03713/TCA Granted
64 The Chine London N21 2ED
Works to trees in Grange Park Conservation area: 4x Leylandii - remove.
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26/03651/HOU Decided
8 Radcliffe Road London N21 2SE
Single storey side extension, rear dormer with Juliet balcony and front roof lights.
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26/03659/HOU Awaiting decision
4 Kent Road London N21 2JR
Single storey rear extension.
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26/03602/CND Decided
Land Rear Of 101 Halstead Road London N21 3DR
Details submitted pursuant to reference 22/03006/FUL: verification report (11) in respect of construction of detached dwelling house with lower ground floor level.
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26/03591/PMA Awaiting decision
Commercial Offices 2 Elm Park Road London N21 2HN
Prior approval for change of ground floor commercial premises (Class E) to 1 self-contained units (Class C3).
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26/03592/PMA Awaiting decision
Commercial Offices 2 Elm Park Road London N21 2HN
Prior approval for change of ground floor commercial premises (Class E) to 1 self-contained units (Class C3).
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26/03546/CEA Decided
32 Onslow Gardens London N21 1DX
Extension of roof to side to form gable, increase to roof ridge height, rear dormer with Juliette balcony, front roof lights and changes to side fenestration.
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