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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.

747
Applications since 2000
79%
Approved clear-cut outcomes
1
Planning authority

Applications in N21

Newest first · page 1 of 15

  • 26/04416/HOU Awaiting decision

    166 Green Dragon Lane London N21 1EP

    Single storey side extension with replacement garage and pitched roof.

    Submitted 16 Oct 2026 Householder
  • 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.

    Submitted 15 Oct 2026
  • 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.

    Submitted 13 Oct 2026 Householder
  • 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.

    Submitted 6 Oct 2026
  • 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.

    Submitted 6 Oct 2026 Trees
  • 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.

    Submitted 5 Oct 2026
  • 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.

    Submitted 5 Oct 2026 Trees
  • 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.

    Submitted 5 Oct 2026 Trees
  • 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.

    Submitted 5 Oct 2026 Full applications
  • 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.

    Submitted 2 Oct 2026 Trees
  • 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.

    Submitted 2 Oct 2026
  • 26/04198/HOU Awaiting decision

    125 The Chine London N21 2EG

    New front boundary wall and new surfacing to existing hard standing.

    Submitted 1 Oct 2026 Householder
  • 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.

    Submitted 30 Sep 2026 Householder
  • 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.

    Submitted 30 Sep 2026 Householder
  • 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.

    Submitted 30 Sep 2026
  • 26/04169/HOU Awaiting decision

    240 Winchmore Hill Road London N21 1QR

    Single storey rear extension, front porch.

    Submitted 29 Sep 2026 Householder
  • 26/04138/HOU Awaiting decision

    2 Myddelton Gardens London N21 2PA

    Two storey side extension.

    Submitted 28 Sep 2026 Householder
  • 26/04163/HOU Awaiting decision

    10 The Orchard London N21 2DH

    Replacement of existing garage with 2 storey detached granny annex at rear.

    Submitted 28 Sep 2026 Householder
  • 26/04134/PRH Awaiting decision

    15 Halstead Road London N21 3EG

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

    Submitted 25 Sep 2026
  • 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.

    Submitted 25 Sep 2026 Trees
  • 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.

    Submitted 23 Sep 2026 Trees
  • 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.

    Submitted 23 Sep 2026 Trees
  • 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.

    Submitted 22 Sep 2026 Householder
  • 26/04038/HOU Awaiting decision

    70 Broad Walk London N21 3BX

    Part single, part 2-storey side extension.

    Submitted 22 Sep 2026 Householder
  • 26/04045/ADV Awaiting decision

    12 Wades Hill London N21 1BG

    Installation of externally illuminated fascia sign.

    Submitted 22 Sep 2026 Advertising
  • 26/04049/HOU Awaiting decision

    14 Downes Court London N21 3PS

    Conversion of garage into habitable room.

    Submitted 22 Sep 2026 Householder
  • 26/04033/HOU Awaiting decision

    154 Barrowell Green London N21 3AX

    Single storey infill extension at rear.

    Submitted 21 Sep 2026 Householder
  • 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.

    Submitted 16 Sep 2026 Full applications
  • 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.

    Submitted 15 Sep 2026
  • 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.

    Submitted 14 Sep 2026
  • 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.

    Submitted 14 Sep 2026 Full applications
  • 26/03918/HOU Awaiting decision

    6 College Road London N21 3LL

    Single storey rear infill extension involving demolition of existing conservatory.

    Submitted 14 Sep 2026 Householder
  • 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.

    Submitted 10 Sep 2026 Full applications
  • 26/03811/CEA Decided

    15 Halstead Road London N21 3EG

    Rear dormer and front roof lights.

    Submitted 8 Sep 2026
  • 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.

    Submitted 7 Sep 2026 Full applications
  • 26/03787/HOU Awaiting decision

    50 Berkeley Gardens London N21 2BD

    Vehicular crossover and associated hardstanding.

    Submitted 4 Sep 2026 Householder
  • 26/03761/ADV Awaiting decision

    Land At Newsholme Drive London N21 1UE

    Installation of non-illuminated 3 x pole mounted signs.

    Submitted 3 Sep 2026 Advertising
  • 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.

    Submitted 3 Sep 2026 Full applications
  • 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.

    Submitted 1 Sep 2026
  • 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.

    Submitted 1 Sep 2026 Full applications
  • 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.

    Submitted 1 Sep 2026 Full applications
  • 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

    Submitted 1 Sep 2026 Full applications
  • 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.

    Submitted 1 Sep 2026 Householder
  • 26/03713/TCA Granted

    64 The Chine London N21 2ED

    Works to trees in Grange Park Conservation area: 4x Leylandii - remove.

    Submitted 1 Sep 2026 Trees
  • 26/03651/HOU Decided

    8 Radcliffe Road London N21 2SE

    Single storey side extension, rear dormer with Juliet balcony and front roof lights.

    Submitted 28 Aug 2026 Householder
  • 26/03659/HOU Awaiting decision

    4 Kent Road London N21 2JR

    Single storey rear extension.

    Submitted 28 Aug 2026 Householder
  • 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.

    Submitted 26 Aug 2026
  • 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).

    Submitted 25 Aug 2026
  • 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).

    Submitted 25 Aug 2026
  • 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.

    Submitted 21 Aug 2026

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