Planning applications in Syon & Brentford Lock

17 The Butts, Brentford, TW8 8BJ

Works to tree in a Conservation Area 1 X Catalpa Tree 30% overall crown reduction in rear garden

Hilton London Syon Park,London Syon Park,London,TW8 8JF

Works to tree in a conservation area: T1 – Sycamore: Sectionally dismantle the tree to ground level. Stump to remain.

69-76,High Street,Brentford,Hounslow,TW8 0AA

Details of secured by design submitted pursuant to condition 36 of permission P/2022/1142 dated 10/11/2022 for demolition of the existing building and erection of four blocks ranging from three to eleven storeys to provide 333 residential units and commercial space with associated car and cycle parking, landscaping, amenity space and ancillary development.

146 London Road, Isleworth, TW7 5BG

Change of use of the ground from office( class E) to educational centre (Class F1(a)),

146 London Road, Isleworth, TW7 5BG

Installation of internally illuminated fascia sign and a non illuminated box sign to the building.

Land Rear of 26-48 & 34 Amhurst Gardens, Isleworth,TW7 6AJ

Details of both hard and soft landscape works, boundary treatment and stage 1 written scheme of investigation submitted pursuant to conditions 5,9 and 22 of permission P/2025/0430 dated 28/11/25 for the erection of eight houses with an associated access road, private parking, amenity space, landscaping, cycle and bin stores following the demolition of 34 Amhurst Gardens.

2 Church Walk, Brentford, TW8 8DB

Ground floor rear extension 4.50 metres deep, maximum height 4.00 metres, 3.00 metres high to the eaves.

54 Amhurst Gardens, Isleworth, TW7 6AJ

Ground floor rear extension 6.00 metres deep, maximum height 3.20 metres, 3.00 metres high to the eaves.

Canal Court,Units 1 & 2,152-154 High Street,Brentford,TW8 8JA

Details of details of cycle stands, parking management Plan, waste and recycled materials & delivery & servicing plan submitted pursuant to conditions 6,7,8 & 9 of permission PAC/2025/2981 dated 23/03/2026 for Prior Approval for the change of use from offices (Use Class E) to residential (Use Class C3) comprising of 15 flats with associated car parking, cycle and refuse storage.

Newlands, 11B Somerset Road, Brentford, TW8 8BX

Works to trees in a conservation area. T1 Magnolia. Crown reduction and shaping from a height of 8 metres and width of 5 metres to reduce by 1.5 metres in height and 1 metre in width. Leaving the tree at 6.5 metres high and 4 metres wide.

Field House, Field Lane,Brentford,London,TW8 8NA

Erection of two additional storeys to Field House providing three flats, alterations to fenestration, and a new four-storey rear building providing six flats, creating nine additional residential units.

26 Hazel Close, Brentford, TW8 8NG

Works to Sycamore within TPO 299. Crown lift to 5 metres above ground level by removing low branches. Cut back lateral branches protruding towards property by up to 3 metres. Remove major deadwood.

3 Upper Butts, Brentford, TW8 8DA

Works to Holm Oak (Quercus ilex) T1 within TPO 11. Fell diseased and dying tree to ground level.

39 Epworth Road, Isleworth, TW7 5BL

Certificate of lawfulness for the proposed use of one room of the house as an office

69-76 High Street, Brentford, TW8 0AA

Details of condition 28b (energy statement) for block A submitted pursuant to planning permission 00607/69 76/P12 (P/2022/1142) approved 10/11/2022 for the demolition of the existing building and erection of four blocks ranging from three to eleven storeys to provide 333 residential units and commercial space with associated car and cycle parking, landscaping, amenity space and ancillary development.

69-76 High Street, Hounslow, Brentford TW8 0AA

Details of Condition 9b and 9c (Internal Noise Levels) for Block A submitted pursuant of planning permission 00607/69-76/P12 (P/2022/1142) approved 10/11/2022 for the demolition of the existing building and erection of four blocks ranging from three to eleven storeys to provide 333 residential units and commercial space with associated car and cycle parking, landscaping, amenity space and ancillary development.

2 Caxton Mews, Brentford, TW8 8BN

Retrospective application for the replacement of existing timber sash windows with heritage-style uPVC sash windows.

LAND TO THE EAST OF THE MARJORY WARREN BUILDING WEST MIDDLESEX UNIVERSITY HOSPITAL TWICKENHAM ROAD, ISLEWORTH, TW7 6AF

Details of Secure Access submitted pursuant to condition 33 of planning permission P/2022/2424 date 14/11/2023 for Demolition of existing buildings and structures and the erection of a five storey Ambulatory Diagnostic Centre including plant enclosure, associated vehicular and cycle parking, landscaping, and associated infrastructure.

Unit 3, Canal Court, 152-156 High Street, Brentford, TW8 8JA

Prior approval for the change of use from offices (class E) to six residential units (class C3)

Johnsons Island, Catherine Wheel Yard, Brentford, London, TW8 8BD

Works to trees in a Conservation Area. 1 x Sycamore (T1), 1 x Sycamore (T2), 1 x Sycamore (T3). Group of 3 sycamores on dock wall, remove trees and replant with 3 new Mountain Ash trees in new location away from the wall.

Johnsons Island, Catherine Wheel Yard, Brentford, London, TW8 8BD

Works to tree in a Conservation Area. Sycamore (T4). Tree in adjacent plot. Crown lift to full height, approximately 12 metres, and reduce overhanging lateral branches by approximately 3 metres back to the boundary to increase light and remove overhang.

The Cedars, 2 Upper Butts, Brentford, TW8 8DA

Works to tree within a conservation area. T2 Mimosa. Re-pollarding to most recent reduction points to remove regrowth of 4 to 5 metres and to control height and spread.

The Cedars, 2 Upper Butts, Brentford, TW8 8DA

Works to Sycamore - Acer pseudoplatanus. (T4) within TPO 11. Crown lift, removing all sub-lateral branches up to a height of 5m. Ensure no growth is below 5 metres on neighbour's side. Reduce overlong branches throughout the crown back to the average crown extent, shortening these limbs by up to 3 metres. Facilitate a 30% thin of the crown by removing 2 to 3 metres branch lengths throughout the crown.

Land Rear of 26-48 and 34 Amhurst Gardens, Isleworth TW7 6AJ

Details of Conditions 3 (Materials), 10 (Car parking details), 12 (Electric vehicle charging points), 15 (Waste and recycling) and 18a (Sustainable materials) submitted pursuant to planning permission P/2025/0430 dated 28/11/2025 for erection of eight houses with an associated access road, private parking, amenity space, landscaping, cycle and bin stores following the demolition of 34 Amhurst Gardens

Land south of Brentford High Street and Waterside, High Street, Brentford, TW8 8AE

Installation of a temporary prefabricated geodesic pavilion to facilitate community, cultural and public engagement activities.

5 Caxton Mews, Brentford, TW8 8BN

Works to tree in a Conservation Area. T1 Sumac. Prune by up to 0.5 meters to shape and contain. T2 Portuguese Laurel. Prune by up to 0.5 metres to shape and contain. T3 Yucca. Remove dead seed pods. T4 Bay. Grub out (complete removal). T5 Ivy (growing on wall). Remove deadwood, prune to shape and contain.

Manderson House,Commerce Road,Brentford,TW8 8LH

Details submitted pursuant to Condition 10 (Land Quality) and Condition 20 (Construction Environmental Management Plan) of planning permission P/2024/1659 date 03/09/2025 for Variation of Conditions 2 (Approved Plans) to amend the scheme to include an increase in the internal floor area, internal reconfigurations, alterations to the external façade including the reconfiguration of windows and doors, the provision of additional balconies, alterations to the housing mix and affordable housing provision, alteration to refuse and cycle storage, and increase in the level of amenity space provision, 8 (Wheelchair User Dwellings) to amend the housing mix, 12 (Commercial Use Classes) to amend the uses permitted under the condition, and 22 (Sustainability & Energy) to update the energy and overheating reports, following permission 00297/D/P10 dated 21/03/2024 for the Demolition of existing office and warehouse buildings on site and the erection of one part-seven storey part-eight storey buildi... read more

Hilton London Syon Park,London Syon Park,London,Middlesex,TW8 8JF

Work to five trees within conservation area: T0278 Wild Cherry ((Prunus avium). Crown raise to give 4.5 metres clearance over the loading area. T0279 Cider Gum ((Eucalyptus gunnii). Fell to ground level and replant with more suitable species. T0347 Sycamore x 3 ((Acer pseudoplatanus). Crown raise to clear roof by 2 metres. T0348 Cherry ((Prunus spp.). Reduce west side of canopy by 2 metres to reduce mechanical loading on roots. T0349 Unknown - Remove and re-plant.

Duke of London,1 3 Corson Yard,Brentford,TW8 8GS

Retrospective installation of two internally illuminated fascia signs to the premises

West Middlesex Community MRI Hub, West Middlesex University Hospital, Twickenham Road, Isleworth, TW7 6AF

Retrospective permission for the erection of a single storey link building to connect existing MRI units to the main hospital.

3 Upper Butts, Brentford, TW8 8DA

Works to Holm Oak (Quercus ilex) T1 in rear garden with Tree Protection Order 1141/3/TPO1/T1 - Reduce and reshape back to previous points of reduction and retain furnishing growth for crown continuity. Remove dead wood.

Land Rear of 26-48 And 34 Amhurst Gardens, Isleworth TW7 6AJ

Details of Condition 23 (Land Quality - Preliminary Risk Assessment) and 24 (Land Quality - Intrusive Site Investigation) of planning permission P/2025/0430 dated 28/11/2025 for erection of eight houses with an associated access road, private parking, amenity space, landscaping, cycle and bin stores following the demolition of 34 Amhurst Gardens

Land south of Brentford High Street and Waterside,High Street,Brentford,London,TW8 8AE

Non Material Amendment to change the energy strategy requirements following permission P/2023/3074 dated 17/06/2025 for the approval of reserved matters, including access, scale, appearance, layout and landscaping for Plot H submitted pursuant to outline planning permission 00607.BA.P2 dated 02.04.2015 for outline planning for the demolition of existing buildings and retention of a number of buildings as part of a comprehensive mixed use development comprising a maximum of 111,821sqm GEA including a maximum of 876 residential units along with associated works. The proposed development includes retail A1 use, residential C3 use, business B1 use and leisure D1.D2 use and associated uses as part of the development including car parking, cycle storage, and an energy centre. Creation of enhanced vehicular access and public realm works including hard and soft landscaping, works to the river walls and facilities associated with the mooring of boats, boat storage and maintenance. Full detai... read more

Land south of Brentford High Street and Waterside,High Street,Brentford,London,TW8 8AE

Non Material Amendment to change the energy strategy requirements following permission 00607/BA/P2 - P/2012/2735 dated 02/04/2015 for the demolition of existing buildings and retention of a number of buildings as part of a comprehensive mixed-use development comprising a maximum of 111,821sqm (GEA) including a maximum of 876 residential units along with associated works. The proposed development includes retail (A1 use), residential (C3 use), business (B1 use) and leisure (D1/D2 use) and associated uses as part of the development including car parking, cycle storage, and an energy centre. Creation of enhanced vehicular access and public realm works including hard and soft landscaping, works to the river walls and facilities associated with the mooring of boats, boat storage and maintenance. Full details are submitted for Phase 1 which includes erection of 323 residential units (C3 use), retail (A1 use) and commercial units (B1 use), an energy centre, car and cycle parking and associat... read more

Land south of Brentford High Street and Waterside,High Street,Brentford,London,TW8 8AE

Non Material Amendment to change the energy strategy requirements following permission 00607/BA/P8 - P/2021/4778 dated 05/04/2023 for Reserved matters for access, scale, appearance, layout and landscaping for Plot E and Plot F submitted pursuant to outline planning permission 00607/BA/P2 dated 2/04/2015 for outline planning for the demolition of existing buildings and retention of a number of buildings as part of a comprehensive mixed use development comprising a maximum of 111,821sqm (GEA) including a maximum of 876 residential units along with associated works. The proposed development includes retail (A1 use), residential (C3 use), business (B1 use) and leisure (D1/D2 use) and associated uses as part of the development including car parking, cycle storage, and an energy centre. Creation of enhanced vehicular access and public realm works including hard and soft landscaping, works to the river walls and facilities associated with the mooring of boats, boat storage and maintenance. ... read more

Land south of Brentford High Street and Waterside,High Street,Brentford,London,TW8 8AE

Non Material Amendment to change the energy strategy requirements following permission 00607/BA/P7 - P/2020/1834 dated 11/03/2021 for the approval of the layout, scale, access, landscaping and appearance for Plot A of planning permission 00607/BA/P2 approved 02/04/2015 for an outline planning application for the demolition of existing buildings and retention of a number of buildings as part of a comprehensive mixed use development comprising a maximum of 111,821sqm (GEA) including a maximum of 876 residential units along with associated works. The proposed development includes retail (A1 use), residential (C3 use), business (B1 use) and leisure (D1/D2 use) and associated uses as part of the development including car parking, cycle storage, and an energy centre. Creation of enhanced vehicular access and public realm works including hard and soft landscaping, works to the river walls and facilities associated with the mooring of boats, boat storage and maintenance. (including Environment... read more

Land south of Brentford High Street and Waterside,High Street,Brentford,London,TW8 8AE

Non Material Amendment to change the energy strategy requirements following permission 00607/BA/P9 - P/2021/4779 dated 13/5/2022 for Reserved matters for access, scale, appearance, layout and landscaping for Plot J submitted pursuant to outline planning permission 00607/BA/P2 dated 02/04/2015 for outline planning for the demolition of existing buildings and retention of a number of buildings as part of a comprehensive mixed use development comprising a maximum of 111,821sqm (GEA) including a maximum of 876 residential units along with associated works. The proposed development includes retail (A1 use), residential (C3 use), business (B1 use) and leisure (D1/D2 use) and associated uses as part of the development including car parking, cycle storage, and an energy centre. Creation of enhanced vehicular access and public realm works including hard and soft landscaping, works to the river walls and facilities associated with the mooring of boats, boat storage and maintenance. Full details ... read more

Manderson House,Commerce Road,Brentford,TW8 8LH

Partial details submitted pursuant to Condition 15 (Construction Logistics Plan) of planning permission P/2024/1659 dated 03/09/2025 for Variation of Conditions 2 (Approved Plans) to amend the scheme to include an increase in the internal floor area, internal reconfigurations, alterations to the external façade including the reconfiguration of windows and doors, the provision of additional balconies, alterations to the housing mix and affordable housing provision, alteration to refuse and cycle storage, and increase in the level of amenity space provision, 8 (Wheelchair User Dwellings) to amend the housing mix, 12 (Commercial Use Classes) to amend the uses permitted under the condition, and 22 (Sustainability & Energy) to update the energy and overheating reports, following permission 00297/D/P10 dated 21/03/2024 for the Demolition of existing office and warehouse buildings on site and the erection of one part-seven storey part-eight storey building (including two storey podium) and on... read more

Blk03 25 To 36 Hepple Close, Isleworth, TW7 6AY

Works to trees in a Conservation Area. 1 X T10a Silver Birch (Betula pendula). Cut back overhang to adjacent building by up 3 metres and concentrating on lateral spread. 2 X G10b Lawson Cypress (Chamaecyparis lawsoniana). Fell both trees, and consider replanting with more appropriate size/species

Blk04 37 To 48 Hepple Close, Isleworth, TW7 6AY

Works to trees within a conservation area: G12 Silver Birch (Betula pendula) x 4 stems. Outside entrance 43-48. Raise crown on block side only to give 3 metre clearance. Ensure clear of lamp by 2 metres. Reduce overhang to entrance cover to eliminate overhang. Final height unchanged at 13 metres and final spread unchanged at 6 metres. T13 Hawthorn (Crataegus monogyna). Between entrance 37-42 & 43-48. Raise crown to give 2.5 metres clearance through removal of low branches and stubs back to the main stem. Final height unchanged at 4 metres and final spread unchanged at 4 metres. G14 Sycamore (Acer pseudoplatanus) x 7 stems. Far end of car park. Pollard at 10 metres and ensure no overhang to neighbours. Final height 10 metres and final spread 3 metres. G15 Mixed Species approximately x 15 stems. Boundary opposite entrance 38-42. Pollard at 5 metres and reduce overhanging secondary branches to neighbours back to main stems. Final height 5 metres and final spread 3 metres. G16 Mi... read more

Blk01 1 To 12 Hepple Close, Isleworth, TW7 6AY

Works to trees in a Conservation Area. 2 X G2 Cherry (Prunus spp). Near southeast corner of block. Reduce spread over pavement back to lawn edge and by 2 metres. Cut back from side of block, cutting to suitable growth points, to clear from building by 2 metres. 1 X T3 Crab Apple (Malus sylvestris). South of block. Raise crown over pavement to give 2 metre clearance from ground, cutting to suitable growth points. Cut back from side of block, cutting to suitable growth points, to clear from building by 2 metres. 1 X T4 Blue Atlas Cedar (Cedrus atlantica 'glauca'). Southwest corner of block. Cut back from side of block to clear from building. Removing up to 1 metre of new growth and cutting to suitable growth points,

6 Alton Close, Isleworth, TW7 6AL

Certificate of lawfulness for the proposed erection of a single storey detached outbuilding for use as an office and a front porch extension to the house.

West Middlesex University Hospital Twickenham Road, Isleworth, TW7 6AF

Details of Condition 32i (External and Internal CCTV Provision) submitted pursuant to planning permission P/2022/2424 dated 14/11/2023 for Demolition of existing buildings and structures and the erection of a five storey Ambulatory Diagnostic Centre including plant enclosure, associated vehicular and cycle parking, landscaping, and associated infrastructure.

38 The Butts, Brentford, TW8 8BL

Erection of a single-storey rear extension following the demolition of the existing conservatory

Land south of Brentford High Street and Waterside High Street Brentford London TW8 8AE

Details of internal noise submitted pursuant to condition 41 for Plot E of planning permission P/2012/2735 (00607/BA/P2) dated 02/04/2015 for an outline planning application for the demolition of existing buildings and retention of a number of buildings as part of a comprehensive mixed use development comprising a maximum of 111,821sqm (GEA) including a maximum of 876 residential units along with associated works. The proposed development includes retail (A1 use), residential (C3 use), business (81 use) and leisure (D1/D2 use) and associated uses as part of the development including car parking, cycle storage, and an energy centre. Creation of enhanced vehicular access and public realm works including hard and soft landscaping, works to the river walls and facilities associated with the mooring of boats, boat storage and maintenance. Full details are submitted for Phase 1 which includes erection of 323 residential units (C3 use), retail (A1 use) and commercial units (B1 use), an energy... read more

Land south of Brentford High Street and Waterside,High Street,Brentford,London,TW8 8AE

Details of internal noise submitted pursuant to condition 41 for Plot J of planning permission P/2012/2735 (00607/BA/P2) dated 02/04/2015 for an outline planning application for the demolition of existing buildings and retention of a number of buildings as part of a comprehensive mixed use development comprising a maximum of 111,821sqm (GEA) including a maximum of 876 residential units along with associated works. The proposed development includes retail (A1 use), residential (C3 use), business (81 use) and leisure (D1/D2 use) and associated uses as part of the development including car parking, cycle storage, and an energy centre. Creation of enhanced vehicular access and public realm works including hard and soft landscaping, works to the river walls and facilities associated with the mooring of boats, boat storage and maintenance. Full details are submitted for Phase 1 which includes erection of 323 residential units (C3 use), retail (A1 use) and commercial units (B1 use), an energ... read more

Land Rear of 26-48 & 34 Amhurst Gardens, Isleworth TW7 6AJ

Details of Conditions 6 (Construction Logistics Plan) submitted pursuant to planning permission P/2025/0430 dated 28/11/2025 for Erection of eight houses with an associated access road, private parking, amenity space, landscaping, cycle and bin stores following the demolition of 34 Amhurst Gardens

West Middlesex University Hospital Twickenham Road, Isleworth, TW7 6AF

Details of Condition 17A (BREEAM Interim) submitted pursuant to planning permission 01137/E/P82 (P/2022/242) dated 14/11/2023 for Demolition of existing buildings and structures and the erection of a five storey Ambulatory Diagnostic Centre including plant enclosure, associated vehicular and cycle parking, landscaping, and associated infrastructure

West Middlesex University Hospital Twickenham Road, Isleworth, TW7 6AF

Details of Condition 30 (Oil interceptors) submitted pursuant to planning permission 01137/E/P82 (P/2022/2424) dated 14/11/2023 for Demolition of existing buildings and structures and the erection of a five storey Ambulatory Diagnostic Centre including plant enclosure, associated vehicular and cycle parking, landscaping, and associated infrastructure

Land to the east of the Marjory Warren Building, West Middlesex University Hospital, Twickenham Road,Isleworth,TW7 6AF

Details of condition 17 part A (BREEAM) submitted pursuant to planning permission P/2022/2424 dated 14/11/2023 for Demolition of existing buildings and structures and the erection of a five storey Ambulatory Diagnostic Centre including plant enclosure, associated vehicular and cycle parking, landscaping, and associated infrastructure.