Planning Atlas
AtlasPostcodeHA61SL
Planning AtlasHillingdonNorthwood Hills wardHA6 1SL
Postcode record · Hillingdon

HA6 1SL.

HA6 1SL has 41 known premises and 25 planning records — 12 approved of 21 decided (57.1%). 23 EPC records.

Postcode HA6 1SL · boundary not held, centred on the postcodeApprovedRefusedOther25 exact25 on the map — every match
At a glance · this postcodeHillingdon profile →
41
Premises
known addresses (UPRNs)
25
Applications
21 decided
57.1%
Approval rate
12 approved · 9 refused
23
EPC records
ratings C 3 · D 13 · E 5 · F 1 · G 1
25
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 1SL has 41 known premises and 25 planning records — 12 approved of 21 decided (57.1%). 23 EPC records.

Premises (18 of 41 shown)

Planning

What happened?

25 planning applications across the postcode; 12 approved of 21 decided (57.1%). Latest 25 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Demolition of existing workshop and erection of a single storey dwelling with associated hard and soft landscaping.
77 HILLIARD ROAD NORTHWOOD · premises record
Agent Mr Graham Eades · Officer Sharon Singh
Planning Application
Other
2026-02-20
Change of Use from Class B2 (General Industry) to Class C3 (Dwellinghouses) to include the demolition of existing workshop and construction of two storey dwellinghouse with landscaping and parking.
77 HILLIARD ROAD NORTHWOOD · premises record
Planning Application
Refused
2023-12-06
Retention of a single storey rear extension (retrospective)
123 HILLIARD ROAD NORTHWOOD HA6 1SL · premises record
Planning Application
Approved
2023-11-06
Erection of a single storey side/rear extension with roof light and amendments to fenestration. Erection of a rear dormer and roof light.
117 HILLIARD ROAD NORTHWOOD · premises record
Agent Nick Wood · Officer Natasha Vernal
Planning Application
Approved
2023-07-04
Erection of a single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development).
123 HILLIARD ROAD NORTHWOOD HA6 1SL · premises record
Planning Application
Refused
2023-02-09
Erection of single storey side and rear extensions. Conversion of roof space to habitable user to include a rear dormer and one rear roof light.
117 HILLIARD ROAD NORTHWOOD · premises record
Agent Nick Wood · Officer Rebekah McCullough
Planning Application
Refused
2023-01-12
Installation of vehicular crossover and hardstanding to front
81 HILLIARD ROAD NORTHWOOD HA6 1SL · premises record
Planning Application
Refused
2020-09-01
Single storey side and rear extensions with new rooflights
121 HILLIARD ROAD NORTHWOOD · premises record
Planning Application
Approved
2020-07-21
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 3.5 metres, and for which the height of the eaves would be 2.9 metres
147 HILLIARD ROAD NORTHWOOD · premises record
Planning Application
Approved
2016-08-02
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 4 metres, and for which the height of the eaves would be 3 metres
141 HILLIARD ROAD NORTHWOOD · premises record
Agent Patrick Rooke · Officer Ayesha Ali
Planning Application
Approved
2016-03-31
Demolition of existing workshop and erection of a single storey dwelling with associated hard and soft landscaping.
77 HILLIARD ROAD NORTHWOOD · premises record
Agent Mr Graham Eades · Officer Sharon Singh
Other
2026-02-20
More
Planning Application
Change of Use from Class B2 (General Industry) to Class C3 (Dwellinghouses) to include the demolition of existing workshop and construction of two storey dwellinghouse with landscaping and parking.
77 HILLIARD ROAD NORTHWOOD · premises record
Refused
2023-12-06
More
Planning Application
Retention of a single storey rear extension (retrospective)
123 HILLIARD ROAD NORTHWOOD HA6 1SL · premises record
Approved
2023-11-06
More
Planning Application
Show all 10 rows
Erection of a single storey side/rear extension with roof light and amendments to fenestration. Erection of a rear dormer and roof light.
117 HILLIARD ROAD NORTHWOOD · premises record
Agent Nick Wood · Officer Natasha Vernal
Approved
2023-07-04
More
Planning Application
Erection of a single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development).
123 HILLIARD ROAD NORTHWOOD HA6 1SL · premises record
Refused
2023-02-09
More
Planning Application
Erection of single storey side and rear extensions. Conversion of roof space to habitable user to include a rear dormer and one rear roof light.
117 HILLIARD ROAD NORTHWOOD · premises record
Agent Nick Wood · Officer Rebekah McCullough
Refused
2023-01-12
More
Planning Application
Installation of vehicular crossover and hardstanding to front
81 HILLIARD ROAD NORTHWOOD HA6 1SL · premises record
Refused
2020-09-01
More
Planning Application
Single storey side and rear extensions with new rooflights
121 HILLIARD ROAD NORTHWOOD · premises record
Approved
2020-07-21
More
Planning Application
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 3.5 metres, and for which the height of the eaves would be 2.9 metres
147 HILLIARD ROAD NORTHWOOD · premises record
Approved
2016-08-02
More
Planning Application
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 4 metres, and for which the height of the eaves would be 3 metres
141 HILLIARD ROAD NORTHWOOD · premises record
Agent Patrick Rooke · Officer Ayesha Ali
Approved
2016-03-31
More
Planning Application

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 41 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 41 of 41 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 41 of 41 premises. Some normally permitted changes may require planning permission.

Nearby postcodes and streets

Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).

Emmanuel Road0 mHilliard Road0 mChurch Close3 mR24 Public Footpath Hilliard Road To Addison Way6 mFords Place9 mHigh Street46 m
People

Who is involved?

Named on the latest 25 applications in this postcode — the party who applied, not the owner or occupier.

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

What could it become?

Planning precedent25 applications and 25 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy23 EPC records; ratings C: 3, D: 13, E: 5, F: 1, G: 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.

8 intent signals recorded in this postcode
EPC F/G · Long hold · Company dissolving
Subscribe to see the signals →
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.