Planning applications in Frognal

The Old Hall Cottage 4B Kidderpore Avenue London NW3 7SP

Details to discharge condition 4 (a & b) (details of downpipes and windows) of planning permission 2026/1872/P granted 18/06/2026 for 'alterations to a maisonette incorporating removal of an existing timber-framed, single-glazed glass roof structure over the front light well and installation of a black painted steel safety railing around the open light well, replacement of two existing cast-iron rainwater downpipes at front elevation and rear elevation with black rainwater downpipes, removal of a non-original timber-framed canopy with ceramic tile covering over the basement (Garden Flat) entrance and installation of a replacement aluminium-framed door canopy and replacement of five timber casement windows on the front elevation and one rear-elevation glazed timber door'.

14 Templewood Avenue London NW3 7XA

Details pursuant to condition 4 (Tree protection) of planning permission ref. 2026/1735/P dated 10/08/2026 (for: Erection of new boundary treatment to site frontage and return wall to the coach house; erection of new bin store to front yard.).

Frognal House 99 Frognal London NW3 6XR

Details for partial discharge of condition 4 (Materials) (Part B only) of listed building consent 2024/0176/L dated 24/09/2025 'Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing extension and erection of a part one part two storey extension with green roof. Erection of roof extension with roof terrace and railings. Excavation of basement with entrance, conversion of garage, new bin and bike stores, hard and soft landscaping and alterations to fenestrations of the main house.Internal alterations to main house'

Frognal House 99 Frognal London NW3 6XR

Details for partial discharge of condition 5 (Structure report) of listed building consent 2024/0176/L dated 24/09/2025 'Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing extension and erection of a part one part two storey extension with green roof. Erection of roof extension with roof terrace and railings. Excavation of basement with entrance, conversion of garage, new bin and bike stores, hard and soft landscaping and alterations to fenestrations of the main house.Internal alterations to main house'

14 Greenaway Gardens London NW3 7DH

Erection of a single storey gardener's shed outbuilding within the rear garden.

14 Greenaway Gardens London NW3 7DH

Erection of a single storey pool hall outbuilding within the rear garden.

14 Greenaway Gardens London NW3 7DH

Erection of a single storey gymnasium outbuilding within the rear garden.

90 Frognal London Camden NW3 6XB

Dischrage of condition 4 of listed building consent application 2025/5840/L regarding roof slates.

Former Branch Hill House Branch Hill London NW3 7LS

Change of use of Branch Hill House from a care home (Use Class C2) to residential use (Use Class C3), together with associated external alterations, demolition of the 1960s care home extension, and erection of a replacement building including basement accommodation, and erection of a new-build element (the Coal House) to the north flank of the original building, with ancillary plant, access, servicing, parking and landscaping

22 Rosecroft Avenue London NW3 7QB

DD 5 Day Notice REAR GARDEN: 1 x Oak (T1) - Fell to ground level.

34 Ferncroft Avenue London NW3 7PE

Erection of a replacement single storey rear extension, alterations to front dormer window, replacement of rooflights to side roof and fenestration alterations to rear and side elevations.

324 Finchley Road London NW3 7AG

Replacement of entrance lobby.

1 Clorane Gardens London NW3 7PR

REAR GARDEN: 1 x Olive (T1) - Reduce height by up to 2.5m. 1 x Holm Oak (T2) - Reduce sides and top by up to 1m. 1 x Norway Maple (T3) - Cut back branches over property by up to 2m.

9 Chesterford Gardens London NW3 7DD

REAR GARDEN: 1 x Apple (T1) - Reduce upper crown by approx. 2m.

37 Hollycroft Avenue London NW3 7QJ

REAR GARDEN: 1 x Plum (T1) - Reduce crown of the vertical branch by up to 3m and the angled stem's crown by up to 1.5ms, both to suitable pruning points. 1 x Magnolia (T2 & T3) - Reduce overall crowns by approx. 20%, 1.5m removing crossing branches to improve the crown's structure and appearance. FRONT GARDEN: 1 x Japanese Acer (T4) - Reduce overall crown by approx. 1m, pruning back to suitable growth points. As an Arboricultural Approved contractor (#AC2626), all works will be undertaken in accordance with BS 39982010 - Tree Work - Recommendations.

35 Hollycroft Avenue London NW3 7QJ

REAR GARDEN: 1 x Acer (T1) - Crown lift to 5m above ground level to the boundary line.

16 Ferncroft Avenue London NW3 7PH

REAR GARDEN: 1 x Beech (Fagus sylvatica) (T1) - Fell to ground level. 1 x Cypress (T2) - Reduce by approx. 3m - 4m in height and trim the remaining crown to shape.

17 Greenaway Gardens London NW3 7DH

DD 5 Day Notice REAR GARDEN: 1 x Maple (T1) - Fell to ground level.

18 Chesterford Gardens London NW3 7DE

DD 5 Day Notice REAR GARDEN: 1 x Laburnum (T1) - Fell to ground level.

1 Kidderpore Avenue London NW3 7SX

(TPO REF: 18H-T19) FRONT GARDEN: 1 x Yew (T3) - Reduce height by 2m, cutting back overhang to neighbouring garden by 0.5m & trimming round to neaten, leaving the tree a standing height of 5m.

1 Kidderpore Avenue London NW3 7SX

REAR GARDEN: 1 x London Plane (T1) - Crown reduction by 3m in height bringing lateral growth to shape by 2m leaving the tree a standing height on 11m. 1 x Dead Tree (T4) - Fell to ground level. 1 x Magnolia (T5) - Crown reduction by 1.5m in height bringing lateral growth to shape by 0.5m leaving the tree a standing height of 3m. FRONT GARDEN: 1 x Plum (T2) - Crown reduction by 2m in height bringing lateral growth to shape by 1m, leaving the tree a standing height of 6m.

Flat 3 3 Templewood Avenue London NW3 7UY

Internal alterations to flats 1 and 3 including removal of internal walls

6 Holly Place London NW3 6QU

Installation of electronically operated roof access ladder and ceiling hatch (retrospective).

8 Heath Drive London NW3 7SN

FRONT GARDEN: 2 x Robinia (T1 & T2) - Reduce the overall crowns by approx. 1.5m - 2.5m, pruning back to suitable growth points whilst retaining a balanced and natural crown structure. 1 x Conifer (T3) - Reduce the overall crown height by approx. 3m and reduce laterally by up to 1.5m, maintaining a balanced crown profile and suitable live growth. 1 x Cherry (T4) - Reduce the overall crown by up to 2m, pruning back to suitable growth points whilst maintaining the structural framework of the tree. REAR GARDEN: 2 x Ash (T5 & T6) - Re-pollard to established historical pruning points. All works will be undertaken in accordance with BS 39982010 - Tree Work - Recommendations.

14 Templewood Avenue London NW3 7XA

Details pursuant to Condition 5 (Tree protection measures) of planning permission 2026/2315/P dated 10/08/2026 for "Erection of an orangery/outbuilding in the rear garden."

9 Rosecroft Avenue London NW3 7QA

Proposed garage conversion with associated elevational alterations, erection of first floor front extension and alterations to existing roof, and alterations to an existing driveway to form an accessible ramp.

11 Oakhill Avenue London NW3 7RD

(TPO REF: 5H-T42) REAR GARDEN: 1 x Oak (T1) - Reduce crown overall by approx. 10% - 15%, equating to approx. 1.5m - 2m in places, cutting back to suitable growth points and, where appropriate, the previous pruning points. Reduce lateral branches by approx. 1m - 1.5m to provide suitable clearance from the building and roof. Opposite side of crown reduce over footpath to maintain a balanced and proportionate crown. Thin epicormic/sucker growth throughout the canopy since the previous works. All works will be carried out in accordance with BS3998:2010 - Tree Work Recommendations

1D Oakhill Avenue London NW3 7RD

AT SIDE (SEE PHOTO): 1 x Cherry (T1) - Fell to ground level.

31 Langland Gardens London NW3 6QE

REAR GARDEN: 1 x Cherry (T1) - Fell to ground level.

8 Heath Drive London NW3 7SN

DD 5 Day Notice (TPO REF: 18H-T21) REAR GARDEN: 1 x Mulberry (T1) - Fell to ground level.

11 Oakhill Avenue London NW3 7RD

REAR GARDEN: 1 x Magnolia (T2) - Crown reduction approx. 5m in height and approx. 15%, 0.75m - 1m. Thin by 10% to shape. All works will be carried out in accordance with BS3998:2010 - Tree Work Recommendations.

88 Frognal London NW3 6XB

Details pursuant to Condition 5 (Tree Protection) of planning permission ref. 2025/3373/P (dated 26/09/2025) for: Demolition of existing conservatory and erection of single-storey ground floor extension; demolition of existing garage and erection of replacement garage; alterations to roof; provision of new hard and soft landscaping.

88 Frognal London Camden NW3 6XB

Discharge of condition 4 (c) and (d) of 2025/3436/L (External works comprising demolition of existing conservatory and erection of single-storey ground floor extension; demolition of existing garage and erection of replacement garage; alterations and repairs to roof; repair and minor alterations to building facade; provision of new hard and soft landscaping. Interior works comprising general remodelling works; minor changes to planform and openings; installation of new mechanical and electrical services throughout)

88 Frognal London Camden NW3 6XB

Discharge of condition 4 (c) Samples and/or manufacturer's details of new facing materials for the extension and rebuilt garage. d) Details of the new roofing materials, rooflight, and slate vents) of 2025/3436/L (External works comprising demolition of existing conservatory and erection of single-storey ground floor extension; demolition of existing garage and erection of replacement garage; alterations and repairs to roof; repair and minor alterations to building facade; provision of new hard and soft landscaping. Interior works comprising general remodelling works; minor changes to planform and openings; installation of new mechanical and electrical services throughout)

14 Templewood Avenue London NW3 7XA

Details pusuant to condition 5 (Building foundations) of planning permission ref. 2026/1735/P dated 10/08/2026 (for: Erection of new boundary treatment to site frontage and return wall to the coach house; erection of new bin store to front yard.)

9 Rosecroft Avenue London NW3 7QA

Proposed remodelling of the rear elevation to include ground floor raised terrace, replacement balustrades, new stairs from first floor to garden level, new windows and insertion of 2no. rooflights to rear hipped roof and 1no. rooflights to existing rear flat roof.

14 Templewood Avenue London NW3 7XA

Details pursuant to condition 6 (Landscaping) of planning permission ref. 2026/1735/P dated 10/08/2026 (for: Erection of new boundary treatment to site frontage and return wall to the coach house; erection of new bin store to front yard.).

14 Templewood Avenue London NW3 7XA

Details pursuant to condition 3 (Gates, railings and facing materials) of planning permission ref. 2026/1735/P dated 10/08/2026 (for: Erection of new boundary treatment to site frontage and return wall to the coach house; erection of new bin store to front yard.).

The Old Hall Cottage 4B Kidderpore Avenue London NW3 7SP

Erection of a roof extension incorporating an enlarged roof addition above the front stairwell with a flush metal-framed rooflights, removal of pebbledash render at ground and first floor levels and re-rendering with a smooth painted finish to match the existing render, installation of a glazed canopy at basement level and installation of a steel door and acoustic wall panelling at basement level

85 Frognal London NW3 6XX

DD 5 Day Notice (TPO REF: 11H-T11) FRONT GARDEN: 1 x Lime (T1) - Fell to ground level.

6 Mount Vernon London NW3 6QS

Internal and external alterations, including erection of a single-storey rear extension at lower ground floor level; lowering of the lower ground floor level; alterations to internal walls, partitions and openings; refurbishment and alteration of the existing closet wing; reinstatement of fireplaces and chimney breasts; replacement of windows; installation of three rooflights; rebuilding of the existing flat roof and formation of a new internal staircase and roof access enclosure; removal of the existing water tank; and associated repair and restoration works to the front and rear elevations.

6 Mount Vernon London NW3 6QS

Erection of a single-storey rear extension at lower ground floor level; lowering of the lower ground floor level; alterations to the internal layout; replacement and alteration of windows and openings; installation of three rooflights at second-floor level; rebuilding of the existing flat roof and installation of a roof access enclosure and staircase; removal of the existing water tank; and associated external alterations.

St. Margaret's School 18 Kidderpore Gardens London NW3 7SR

DD 5 Day Notice: REAR GARDEN: 1 x Prunus (T1) - Fell to ground level.

32 Ferncroft Avenue London NW3 7PE

REAR GARDEN: 1 x False Acacia (T1) - Fell to ground level.

85 Flat A Fitzjohn's Avenue London Camden NW3 6NY

Erection of a single storey lower ground floor rear and side extension, together with associated alterations to the rear elevation and landscaping works.

Flat 1 18 Rosecroft Avenue London NW3 7QB

REAR GARDEN: 1 x Sycamore (T1) - Reduce crown by approx. 2m - 2.5m back to suitable growth points.

Ground Floor Flat 19 Frognal Lane London NW3 7DB

Free standing bath in principal bedroom and associated alterations. Creation of a utility room to bathroom and associated alterations.

20 Chesterford Gardens London NW3 7DE

FRONT GARDEN: 1 x Lime (T1) - Reduce crown by up to 4m, lift crown to approx. 4m from ground level.

22 B Ellerdale Road London NW3 6BB

Variation of condition 2 (approved plans) of planning permission 2026/2703/P dated 06/08/2026 for the erection of a ground floor rear extension. namely, enlargement of the extension to the rear elevation.

Flat 1 47 Hollycroft Avenue London NW3 7QJ

REAR GARDEN: 5 x Limes (T1) - Reduce crown by 30% back to previous growth points, 3.5m of height and 2m of width. 1 x Laurel (T6) - Reduce crown by 40%, 1.5m of height and 4m of width 1 x Dead Tree (T7) - Fell to ground level.