Planning Atlas
AtlasPostcodeHA63NT
Planning AtlasHillingdonNorthwood Hills wardHA6 3NT
Postcode record · Hillingdon

HA6 3NT.

HA6 3NT has 11 known premises and 28 planning records — 18 approved of 26 decided (69.2%). 8 EPC records.

Postcode HA6 3NT · boundary not held, centred on the postcodeApprovedRefusedOther28 exact28 on the map — every match
At a glance · this postcodeHillingdon profile →
11
Premises
known addresses (UPRNs)
28
Applications
26 decided
69.2%
Approval rate
18 approved · 8 refused
8
EPC records
ratings C 4 · D 3 · E 1
28
Mapped applications
inside the postcode shape
Postcode unit boundary from Ordnance Survey; premises and applications inside it. Aggregates describe the area, not any single premises.
Property

What is it?

HA6 3NT has 11 known premises and 28 planning records — 18 approved of 26 decided (69.2%). 8 EPC records.

Premises

Planning

What happened?

28 planning applications across the postcode; 18 approved of 26 decided (69.2%). Latest 28 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
TPO 16 G18 1x Pine to crown reduce side overhanging garden by 2m. 2x Lime to re pollard to leave standing at approx 7m. 1x Lime to re pollard to leave standing at approx 9m. G17 1x Norway Maple to crown reduce all over back by approx 4m. TPO 182 T1 1x Lime to crown reduce by approx 4m.
24 WATFORD ROAD NORTHWOOD · premises record
Tree Works (TPO)
Split
2026-03-17
Erection of an outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development).
22 WATFORD ROAD NORTHWOOD · premises record
Planning Application
Approved
2025-04-07
Erection of a two storey side and single storey rear extension, with amendments to fenestration including new rooflights.
32 WATFORD ROAD NORTHWOOD · premises record
Planning Application
Approved
2024-08-01
Erection of a two storey side and single storey rear extension, amendments to fenestration including new rooflights.
32 WATFORD ROAD NORTHWOOD · premises record
Planning Application
Approved
2023-03-24
Erection of part single storey and part double storey side and rear extensions with amendments to fenestration and erection of new porch to front, following demolition of existing garage (revised description)
22 WATFORD ROAD NORTHWOOD · premises record
Planning Application
Approved
2023-03-23
Part two storey part single storey side extension and rear extensions, single storey side and rear extensions, and front porch extension following demolition of attached garage
22 WATFORD ROAD NORTHWOOD · premises record
Planning Application
Refused
2021-08-31
Single storey rear extension with alterations to fenestration
34 WATFORD ROAD NORTHWOOD · premises record
Planning Application
Approved
2021-04-30
Part two storey, part single storey side and rear extension, single storey side extension and front dormer
22 WATFORD ROAD NORTHWOOD · premises record
Planning Application
Refused
2020-02-28
Part two storey, part single storey side and rear extension, single storey side extension and addition of a second floor, a porch to the front and changes to the front elevation
22 WATFORD ROAD NORTHWOOD · premises record
Planning Application
Refused
2019-10-25
To carry out tree surgery, including a crown reduction by up to 2m, to one Beech, within Group 22 on TPO 16.
32 WATFORD ROAD NORTHWOOD · premises record
Tree Works (TPO)
Approved
2019-09-17
TPO 16 G18 1x Pine to crown reduce side overhanging garden by 2m. 2x Lime to re pollard to leave standing at approx 7m. 1x Lime to re pollard to leave standing at approx 9m. G17 1x Norway Maple to crown reduce all over back by approx 4m. TPO 182 T1 1x Lime to crown reduce by approx 4m.
24 WATFORD ROAD NORTHWOOD · premises record
Split
2026-03-17
More
Tree Works (TPO)
Erection of an outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development).
22 WATFORD ROAD NORTHWOOD · premises record
Approved
2025-04-07
More
Planning Application
Erection of a two storey side and single storey rear extension, with amendments to fenestration including new rooflights.
32 WATFORD ROAD NORTHWOOD · premises record
Approved
2024-08-01
More
Planning Application
Show all 10 rows
Erection of a two storey side and single storey rear extension, amendments to fenestration including new rooflights.
32 WATFORD ROAD NORTHWOOD · premises record
Approved
2023-03-24
More
Planning Application
Erection of part single storey and part double storey side and rear extensions with amendments to fenestration and erection of new porch to front, following demolition of existing garage (revised description)
22 WATFORD ROAD NORTHWOOD · premises record
Approved
2023-03-23
More
Planning Application
Part two storey part single storey side extension and rear extensions, single storey side and rear extensions, and front porch extension following demolition of attached garage
22 WATFORD ROAD NORTHWOOD · premises record
Refused
2021-08-31
More
Planning Application
Single storey rear extension with alterations to fenestration
34 WATFORD ROAD NORTHWOOD · premises record
Approved
2021-04-30
More
Planning Application
Part two storey, part single storey side and rear extension, single storey side extension and front dormer
22 WATFORD ROAD NORTHWOOD · premises record
Refused
2020-02-28
More
Planning Application
Part two storey, part single storey side and rear extension, single storey side extension and addition of a second floor, a porch to the front and changes to the front elevation
22 WATFORD ROAD NORTHWOOD · premises record
Refused
2019-10-25
More
Planning Application
To carry out tree surgery, including a crown reduction by up to 2m, to one Beech, within Group 22 on TPO 16.
32 WATFORD ROAD NORTHWOOD · premises record
Approved
2019-09-17
More
Tree Works (TPO)

Building control

Building-control records are not yet collected for Hillingdon — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).

Place

What affects it?

Every mapped designation touching a premises in this postcode, with how many of its 11 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 11 of 11 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 11 of 11 premises. Some normally permitted changes may require planning permission.
People

Who is involved?

Named on the latest 28 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Agent on 3 applications
Agent on 2 applications
Agent on 2 applications
Show all 10 rows
Agent on 2 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Development

What could it become?

Planning precedent28 applications and 28 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings C: 4, D: 3, E: 1.
What is not assertedNo capacity, value or ownership claim is made at area level; those belong to individual premises records and their evidence.

Intent signals

Planning Atlas Pro

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

2 intent signals recorded in this postcode
Long hold
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.