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Planning applications in HA6

We hold 714 planning applications for the HA6 postcode area, 266 of them submitted in the past year. 86% of decided applications here were approved. A decision typically takes 56 days. The area is covered by Three Rivers, Hillingdon.

714
applications held
266
in the past year
86%
approved
56 days
median decision

Councils covering HA6

Three Rivers (529)Hillingdon (185)

Recent applications in HA6

Pending
22 Sept 202626/1262/FUL · Received: Wed 05 Aug 2026 · Validated: Tue 22 Sep 2026
4A Parkside Road Northwood HA6 3HLThree Rivers

Construction of first floor front extension; alterations to the fenestration; alterations to the roof form, including installation of rooflights; internal alterations

Pending
22 Sept 202626/1262/FUL · Received: Wed 05 Aug 2026 · Validated: Tue 22 Sep 2026
4A Parkside Road Northwood HA6 3HLThree Rivers

Construction of first floor front extension; alterations to the fenestration; alterations to the roof form, including installation of rooflights; internal alterations

Pending
17 Sept 202626/1480/LBC · Received: Thu 17 Sep 2026 · Validated: Thu 17 Sep 2026
Merchant Taylors School Sandy Lodge Lane Moor Park Northwood Hertfordshire HA6 2HTThree Rivers

Listed Building Consent: Repairs to the roof and fenestration including replacement of copper lining to the main roof valley gutter, repair works to corbel stone hopper heads, repairs to existing roof lanterns and repairs to the door thresholds.

Pending
17 Sept 202634203/APP/2026/2230
87 COPSE WOOD WAY NORTHWOODHillingdon

Details pursuant to the discharge of Conditions 3 (External Materials),4 (Construction Management Plan), 6 (Landscaping), 12 (Ecology mitigation), 13 (Lighting) of planning permission ref. 34203/APP/2026/1595, dated 10-09-2026 (Demolition of the existing detached two-storey dwelling and the erection of a detached dwelling with accommodation within the roof space, together with the retention and re-use of the existing vehicular access, new 1m high gate, railings and associated ancillary works.)

Pending
17 Sept 202639003/TRE/2026/223
21 KIRBY CLOSE NORTHWOODHillingdon

TPO 152 T70 1x Weeping Willow to dismantle, remove and replace the tree in sections to ground level. Stump to be ground out to facilitate replanting

Pending
10 Sept 202615650/TRE/2026/216
36 POTTER STREET NORTHWOODHillingdon

TPO 183 T5 1x Oak - Carry out height and crown reduction of 20% aprox 2m hight reduction resulting in 8-9m above ground level.

Pending
9 Sept 20269295/TRE/2026/214
19 LINKSWAY NORTHWOODHillingdon

TPO 392 A1 1x Silver Birch crown reduction 2m and thin crown by 20%.

Pending
4 Sept 202660901/APP/2026/2157
THE WATERTOWER FIELD, DUCKS HILL FARM DUCKS HILL ROAD NORTHWOOD HA6 2SWHillingdon

Erection of a 5,000 sq ft (approximately 464.5 m²) agricultural building to support the existing mixed livestock and poultry enterprise (General Permitted Development) (England) Order 2015 (as amended) - Schedule 2, Part 6.

Pending
3 Sept 20267385/APP/2026/2145
9 HIGHFIELD ROAD NORTHWOODHillingdon

Erection of a single storey extension to the side/rear, erection of a porch

Pending
3 Sept 202626/1409/CLED · Received: Thu 03 Sep 2026 · Validated: Thu 03 Sep 2026
44 Wolsey Road Moor Park Northwood Hertfordshire HA6 2ENThree Rivers

Certificate of Lawfulness Existing Development: Construction of an outbuilding

Pending
3 Sept 202626/1409/CLED
44 Wolsey Road Moor Park Northwood Hertfordshire HA6 2ENThree Rivers

Certificate of Lawfulness Existing Development: Construction of an outbuilding

Pending
28 Aug 202626/1368/TCA
27 Astons Road Moor Park Northwood Hertfordshire HA6 2LBThree Rivers

Various Tree Works

Pending
28 Aug 202632794/APP/2026/2115
9 KEWFERRY DRIVE NORTHWOODHillingdon

Two storey rear extension, conversion of garage to habitable use, alterations to the roof, first floor rear balcony and alterations to fenestration

Pending
26 Aug 202626/1371/FUL
Tinkers Halt Sandy Lane Northwood HA6 3ESThree Rivers

Conversion of garage into habitable accommodation, alterations to the fenestration including installation of a juliette balcony and removal of bay window, installation of rooflights and internal alterations

Permitted
Small
Trees
25 Aug 202626/1366/DDD
18 Askew Road Moor Park Northwood Hertfordshire HA6 2JFThree Rivers

Conifer (T1)- Dead. Fell to near ground level. Requesting a 5 day notice.

Pending
25 Aug 202612444/TRE/2026/207
15 WOODSIDE ROAD NORTHWOODHillingdon

TPO 164 T24 1x Eucalyptus to reduce back to previous points up to 2.5m.

Pending
25 Aug 202626/1366/DDD · Received: Tue 25 Aug 2026 · Validated: Tue 25 Aug 2026
18 Askew Road Moor Park Northwood Hertfordshire HA6 2JFThree Rivers

Conifer (T1)- Dead. Fell to near ground level. Requesting a 5 day notice.

Pending
24 Aug 202653922/TRE/2026/205
70 COPSE WOOD WAY NORTHWOODHillingdon

TPO 399 A1 Group of Hornbeam Group to sectional dismantle using rigging equipment the medium group (Right side of property, rear garden).1x Oak (Right side of property, rear garden) Reduce over-extended branches by 1-2 metres length reduction, growing toward and over garden area. Group of Hornbeam (Left side of property, rear garden) Sectional dismantle using rigging equipment the declining TG4 Hornbeam group. 1x Oak / Hornbeam group (Neighbouring left rear garden) Reduce over-extended branches up to 3 metres length reduction, growing toward and over garden area. 2x Hornbeam group (left side + right side front of summer house) Sectional dismantle using rigging equipment Copsewood Estate Northwood: 1x Coniferous Tree to reduce over extended branches up to 2m length situated in the rear garden right hand side.

Pending
21 Aug 202626/1347/DIS · Received: Thu 20 Aug 2026 · Validated: Fri 21 Aug 2026
25 Wolsey Road North Approach Moor Park Hertfordshire HA6 2HNThree Rivers

Discharge of Condition 17 (Verification Report) pursuant to planning permission 20/2782/FUL

Pending
Small
Conditions
20 Aug 202626/1347/DIS
25 Wolsey Road North Approach Moor Park Hertfordshire HA6 2HNThree Rivers

Discharge of Condition 17 (Verification Report) pursuant to planning permission 20/2782/FUL

Pending
Small
Conditions
19 Aug 202626/1334/DIS
Cartref Ormonde Road Moor Park Northwood Hertfordshire HA6 2EJThree Rivers

Discharge of Condition 3 (In Accordance With Approved Details) pursuant to planning permission 24/1479/FUL (25/0011/REF)

Pending
19 Aug 202626/1334/DIS · Received: Wed 19 Aug 2026 · Validated: Wed 19 Aug 2026
Cartref Ormonde Road Moor Park Northwood Hertfordshire HA6 2EJThree Rivers

Discharge of Condition 3 (In Accordance With Approved Details) pursuant to planning permission 24/1479/FUL (25/0011/REF)

Pending
18 Aug 202626/1323/TCA · Received: Tue 18 Aug 2026 · Validated: Tue 18 Aug 2026
12 South Approach Moor Park Northwood Hertfordshire HA6 2ETThree Rivers

Tree Number - T1 Tree Type - Lombardy poplar (Populus nigra) Approx. Diameter at 1.5m - 0.5m Approx. Height - 30m Approx. Spread Diameter - 8m Location - See map Service - Reduce height Work Required - Reduce height by approximately 15m, back to previous pruning points at approximately 15m. Reason - Sounding test of base of tree indicates cavities. Reduction to reduce stresses on stems Priority Code - B Tree Number - T2 Tree Type - Lombardy poplar (Populus nigra) Approx. Diameter at 1.5m - 0.5m Approx. Height - 30m Approx. Spread Diameter - 8m Location - See map Service - Reduce height Work Required - Reduce height by approximately 15m, back to previous pruning points at approximately 15m. Reason - Sounding test of base of tree indicates cavities. Reduction to reduce stresses on stems Priority Code - B Tree Number - T3 Tree Type - Lombardy poplar (Populus nigra) Approx. Diameter at 1.5m - 0.5m Approx. Height - 30m Approx. Spread Diameter - 8m Location - See map Service - Reduce height Work Required - Reduce height by approximately 15m, back to previous pruning points at approximately 15m. Reason - Sounding test of base of tree indicates cavities. Reduction to reduce stresses on stems Priority Code - B

Pending
Small
Works to trees in a conservation area
18 Aug 202626/1323/TCA
12 South Approach Moor Park Northwood Hertfordshire HA6 2ETThree Rivers

Tree Number - T1 Tree Type - Lombardy poplar (Populus nigra) Approx. Diameter at 1.5m - 0.5m Approx. Height - 30m Approx. Spread Diameter - 8m Location - See map Service - Reduce height Work Required - Reduce height by approximately 15m, back to previous pruning points at approximately 15m. Reason - Sounding test of base of tree indicates cavities. Reduction to reduce stresses on stems Priority Code - B Tree Number - T2 Tree Type - Lombardy poplar (Populus nigra) Approx. Diameter at 1.5m - 0.5m Approx. Height - 30m Approx. Spread Diameter - 8m Location - See map Service - Reduce height Work Required - Reduce height by approximately 15m, back to previous pruning points at approximately 15m. Reason - Sounding test of base of tree indicates cavities. Reduction to reduce stresses on stems Priority Code - B Tree Number - T3 Tree Type - Lombardy poplar (Populus nigra) Approx. Diameter at 1.5m - 0.5m Approx. Height - 30m Approx. Spread Diameter - 8m Location - See map Service - Reduce height Work Required - Reduce height by approximately 15m, back to previous pruning points at approximately 15m. Reason - Sounding test of base of tree indicates cavities. Reduction to reduce stresses on stems Priority Code - B

Pending
Small
Works to trees in a conservation area
17 Aug 202626/1316/TCA
23 Wolsey Road Moor Park Northwood Hertfordshire HA6 2HNThree Rivers

Tree Number - G1 Tree Type - 20x cypress and thuja mix Approx. Diameter at 1.5m - 0.3-0.4m Approx. Height - 12-16m Approx. Spread Diameter - 25m Location - See map Service - Reduce height Work Required - Reduce height by approximately 50% or up to 8m, to a finished height of approximately 8m from ground level. Trim remaining crown both sides to tidy. Reason - To manage the size of the trees for their location. Priority Code - C Tree Number - G2 Tree Type - 7x dead/ dying cypress Approx. Diameter at 1.5m - 0.3m Approx. Height - 5-12m Approx. Crown Spread Diameter - 3m Location - See map Service - Section dismantle Work Required - Section dismantle trees to near ground level Reason - Trees are dead/ in decline Priority Code - A Tree Number - G4 Tree Type - 8x cypress spp. Approx. Diameter at 1.5m - 0.3m Approx. Height - 12-14m Approx. Spread Diameter - 12m Location - See map Service - Reduce height Work Required - Reduce height by approximately 50% by removing up to 7m, to a finished height of approximately 7m from ground level. Trim remaining crown to tidy. Reason - To manage the size of the trees for their location. Priority Code - C

Pending
14 Aug 202626/1301/TCA · Received: Fri 14 Aug 2026 · Validated: Fri 14 Aug 2026
Windover 35 Astons Road Moor Park Northwood Hertfordshire HA6 2LBThree Rivers

G5 Beech Prune laterally on house side to give 2m clearance from house. T8 Beech Fell T12 Lawson cypress Fell G13 Holly Fell T14 Unknown - dead Fell T16 Acer ssp Fell T18 Unknown - dead Fell T20 Apple Fell T21 Pine - dead Fell T23 Sycamore Fell T26 Ash Fell T29 Lawson cypress Fell T30 Lawson cypress Fell G31 Yew Crown clean. T32 Weeping willow Fell T33 Cypress Fell T34 Ash Fell T36 Ash Fell

Pending
14 Aug 202626/1304/TCA · Received: Fri 14 Aug 2026 · Validated: Fri 14 Aug 2026
18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LWThree Rivers

TG1 Cypress (Leyland) Remove TG2 Thuja Remove the closest x5 trees to the righthand flank of the subject property The tree works are proposed to stop the influence of the tree(s) on the soil below building foundation level and provide long term stability.to 12 Bedford Road Northwood HA6 2AZ

Pending
Small
Works to trees in a conservation area
14 Aug 202626/1304/TCA
18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LWThree Rivers

TG1 Cypress (Leyland) Remove TG2 Thuja Remove the closest x5 trees to the righthand flank of the subject property The tree works are proposed to stop the influence of the tree(s) on the soil below building foundation level and provide long term stability.to 12 Bedford Road Northwood HA6 2AZ

Pending
12 Aug 202626/1291/FUL
66 Avior Drive Northwood HA6 3JGThree Rivers

Construction of a two storey side and rear extension; alterations to front driveway; alterations to the fenestration

Pending
Small
Full Application
12 Aug 202626/1257/FUL
12 South Approach Moor Park Northwood Hertfordshire HA6 2ETThree Rivers

Construction of part single, part two-storey rear extension; loft conversion including installation of rooflights and solar panels; internal alterations; alterations to fenestration detail.

Pending
12 Aug 202626/1291/FUL · Received: Wed 12 Aug 2026 · Validated: Wed 12 Aug 2026
66 Avior Drive Northwood HA6 3JGThree Rivers

Construction of a two storey side and rear extension; alterations to front driveway; alterations to the fenestration

Pending
10 Aug 202626/1273/FUL
27 Davenham Avenue Northwood HA6 3HWThree Rivers

Demolition of existing side extension; construction of two-storey side and rear extension

Pending
7 Aug 202626/1261/CLPD · Received: Wed 05 Aug 2026 · Validated: Fri 07 Aug 2026
4A Parkside Road Northwood HA6 3HLThree Rivers

Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer window

Pending
7 Aug 202626/1268/CLPD · Received: Fri 07 Aug 2026 · Validated: Fri 07 Aug 2026
36 Bishops Avenue Northwood HA6 3DGThree Rivers

Certificate of Lawfulness Proposed Development: Construction of outbuilding

Pending
7 Aug 202626/1268/CLPD
36 Bishops Avenue Northwood HA6 3DGThree Rivers

Certificate of Lawfulness Proposed Development: Construction of outbuilding

Pending
6 Aug 202626/1260/FUL · Received: Wed 05 Aug 2026 · Validated: Thu 06 Aug 2026
16 Grosvenor Road Northwood HA6 3HJThree Rivers

Demolition of existing conservatory; construction of single storey rear extension; construction of front entry porch; construction of front dormer window; alteration to external materials; alterations to the fenestration

Pending
5 Aug 202626/1261/CLPD
4A Parkside Road Northwood HA6 3HLThree Rivers

Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer window and installation of rooflights

Pending
5 Aug 202626/1260/FUL
16 Grosvenor Road Northwood HA6 3HJThree Rivers

Demolition of existing conservatory; construction of single storey rear extension; construction of front entry porch; construction of front dormer window; alteration to external materials; alterations to the fenestration

Pending
4 Aug 202626/1254/TPO
1 St Martins Northwood HA6 2BPThree Rivers

Tree Number - T1 Tree Type - Oak (Quercus robur) Approx. Diameter at 1.5m - 1m+ Approx. Height - 20m Approx. Crown Spread Diameter - 16m Location - See map Service - Crown Reduction Work Required - Reduce height by up to 3m and lateral spread on all sides by up to 2.5m, to finished crown dimensions of 17m height and 11m lateral spread Reason - As part of continued maintenance. , to manage the size of the tree for the space it occupies. Priority Code - ON Tree Number - T2 Tree Type - Oak (Quercus robur) Approx. Diameter at 1.5m - 0.5m Approx. Height - 10m Approx. Crown Spread Diameter - 8m Location - See map Service - Crown Reduction Work Required - Reduce height by up to 5m and lateral spread on all sides by up to 3m to finished crown dimensions of 5m height and 5m lateral spread Reason - Large cavity with rot present. Reduction to decrease the likelihood of failure. Priority Code - A

Pending
4 Aug 202626/1254/TPO · Received: Tue 04 Aug 2026 · Validated: Tue 04 Aug 2026
1 St Martins Northwood HA6 2BPThree Rivers

Tree Number - T1 Tree Type - Oak (Quercus robur) Approx. Diameter at 1.5m - 1m+ Approx. Height - 20m Approx. Crown Spread Diameter - 16m Location - See map Service - Crown Reduction Work Required - Reduce height by up to 3m and lateral spread on all sides by up to 2.5m, to finished crown dimensions of 17m height and 11m lateral spread Reason - As part of continued maintenance. , to manage the size of the tree for the space it occupies. Priority Code - ON Tree Number - T2 Tree Type - Oak (Quercus robur) Approx. Diameter at 1.5m - 0.5m Approx. Height - 10m Approx. Crown Spread Diameter - 8m Location - See map Service - Crown Reduction Work Required - Reduce height by up to 5m and lateral spread on all sides by up to 3m to finished crown dimensions of 5m height and 5m lateral spread Reason - Large cavity with rot present. Reduction to decrease the likelihood of failure. Priority Code - A

Pending
30 Jul 202626/1220/FUL
28A Sandy Lodge Way Northwood HA6 2ASThree Rivers

Substantial demolition; part single part two storey front and rear extensions; conversion of loft into habitable accommodation; replacement of roof; installation of rooflights; alteration to the fenestration; alteration to external materials; internal alterations

Pending
Small
Full Application
29 Jul 202626/1196/FUL
22 Main Avenue Moor Park Northwood Hertfordshire HA6 2HJThree Rivers

Construction of two outbuildings to rear of shop.

Pending
27 Jul 202610380/TRE/2026/180
NORTHWOOD LAWN TENNIS CLUB 20 PINES CLOSE NORTHWOOD HA6 3SJHillingdon

TPO 150 T118 1x Oak to remove all growth overhanging tennis court.

Permitted
Small
Works to trees in a conservation area
27 Jul 202626/1199/TCA
37 Main Avenue Moor Park Northwood Hertfordshire HA6 2LHThree Rivers

Tree Number - T1 Tree Type - Lawson Cypress Approx. Diameter at 1.5m - 0.4m Approx. Height - 17m Approx. Crown Spread Diameter - 6m Service - Section dismantle and grind Work Required - Section dismantle and grind out stump to a depth of approx. 200mm below the stumps current ground level and leave all stump arisings to allow for ground settlement Reason - Tree is in a state of decline, showing minimal vitality throughout the crown. Priority Code - B

Pending
27 Jul 202626/1181/FUL
11 The Roughs Northwood HA6 3DEThree Rivers

Removal of existing outbuildings and construction of an annexe

Pending
24 Jul 202626/1132/FUL
20 Batchworth Lane Northwood HA6 3DRThree Rivers

Substantial demolition of existing dwelling; two storey and single storey front, side and rear extensions; construction of a front bay window; alterations to the front projection; removal of existing roof and construction of new roof form including side and rear dormer windows, front rooflights; alterations to fenestration and materials; internal alterations

Permitted
Small
Non Material Amendments
24 Jul 202626/1153/NMA
44 Wolsey Road Moor Park Northwood Hertfordshire HA6 2ENThree Rivers

Non Material Ammendments to planning permission 25/0391/RSP to allow alterations to balcony material.

Pending
24 Jul 202626/1131/FUL
22 Batchworth Lane Northwood HA6 3DRThree Rivers

Substantial demolition of existing dwelling; construction of two storey and single storey front, side and rear extension; construction of front projection with hipped roof; removal of existing roof and construction of replacement roof form including side and rear dormer windows and front rooflight, alterations to fenestration and external materials.

Pending
22 Jul 202626/1185/TCA · Received: Wed 22 Jul 2026 · Validated: Wed 22 Jul 2026
2 Bedford Road Moor Park Northwood Hertfordshire HA6 2BBThree Rivers

Tree Number - G1 Tree Type - Beech x4 Approx. Diameter at 1.5m - 0.2m Approx. Height - 3m Approx. Crown Spread Diameter - 2m Location - See map Service - Section dismantle and grind Work Required - Section dismantle and grind out x4 stumps to a depth of approx. 200mm below the stumps current ground level and leave all stump arisings to allow for ground settlement (Fell x4 at the rear of the group and leave x3 beech trees at the front to maintain privacy from the road) Reason - As per clients specification Priority Code - On Tree Number - G3 Tree Type - Beech x3 Approx. Diameter at 1.5m - 0.3m Approx. Height - 4m Approx. Crown Spread Diameter - 3m Location - See map Service - Crown Reduction Work Required - Reduce height by up to 2m and trim clients side to tidy Reason - As per clients specification / to reduce encroachment to buildings and continue historical maintenance Priority Code - On Tree Number - T1 Tree Type - Sycamore (Acer pseudoplatanus) Approx. Diameter at 1.5m - 0.1m Approx. Height - 4m Approx. Crown Spread Diameter - 2m Location - See map Service - Crown Reduction Work Required - Reduce height by up to 2m only Reason - As per clients specification Priority Code - On

Permitted
Small
Works to trees in a conservation area
22 Jul 202626/1185/TCA
2 Bedford Road Moor Park Northwood Hertfordshire HA6 2BBThree Rivers

Tree Number - G1 Tree Type - Beech x4 Approx. Diameter at 1.5m - 0.2m Approx. Height - 3m Approx. Crown Spread Diameter - 2m Location - See map Service - Section dismantle and grind Work Required - Section dismantle and grind out x4 stumps to a depth of approx. 200mm below the stumps current ground level and leave all stump arisings to allow for ground settlement (Fell x4 at the rear of the group and leave x3 beech trees at the front to maintain privacy from the road) Reason - As per clients specification Priority Code - On Tree Number - G3 Tree Type - Beech x3 Approx. Diameter at 1.5m - 0.3m Approx. Height - 4m Approx. Crown Spread Diameter - 3m Location - See map Service - Crown Reduction Work Required - Reduce height by up to 2m and trim clients side to tidy Reason - As per clients specification / to reduce encroachment to buildings and continue historical maintenance Priority Code - On Tree Number - T1 Tree Type - Sycamore (Acer pseudoplatanus) Approx. Diameter at 1.5m - 0.1m Approx. Height - 4m Approx. Crown Spread Diameter - 2m Location - See map Service - Crown Reduction Work Required - Reduce height by up to 2m only Reason - As per clients specification Priority Code - On