Planning Atlas
Planning AtlasHillingdonNorthwood Hills wardHA6 1QA
Postcode record · Hillingdon

HA6 1QA.

HA6 1QA has 20 known premises and 40 planning records — 35 approved of 40 decided (87.5%). 16 EPC records.

Postcode HA6 1QA · boundary not held, centred on the postcodeApprovedRefusedOther40 exact40 on the map — every match
At a glance · this postcodeHillingdon profile →
20
Premises
known addresses (UPRNs)
40
Applications
40 decided
87.5%
Approval rate
35 approved · 5 refused
16
EPC records
ratings B 1 · C 1 · D 8 · E 4 · F 2
40
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 1QA has 20 known premises and 40 planning records — 35 approved of 40 decided (87.5%). 16 EPC records.

Premises (18 of 20 shown)

Planning

What happened?

40 planning applications across the postcode; 35 approved of 40 decided (87.5%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Variation of Condition 2 (Accordance) of planning permission ref. 79279/APP/2025/1974, dated 24-09-2025 (Erection of single storey rear, side and front extension, conversion of roof space to habitable use including the creation of pitched roof over the proposed single storey rear extension by extend
40 HILLSIDE ROAD NORTHWOOD HA6 1QA · premises record
Agent Mr Sagar Som · Officer Sharon Singh
Planning Application
Approved
2025-10-14
Erection of single storey rear, side and front extension, conversion of roof space to habitable use including the creation of pitched roof over the proposed single storey rear extension by extending the existing ridge with side roof lights and the creation of a rear gable end and conversion of garag
40 HILLSIDE ROAD NORTHWOOD HA6 1QA · premises record
Planning Application
Approved
2025-07-21
Conversion of roofspace to habitable use to include 2 x side dormers, 3 x side rooflights and conversion of roof from hip to gable end with a Juliette balcony (Application for a Certificate of Lawful Development for a Proposed Development)
40 HILLSIDE ROAD NORTHWOOD HA6 1QA · premises record
Planning Application
Approved
2025-06-02
Erection of an outbuilding to the rear garden.
40 HILLSIDE ROAD NORTHWOOD HA6 1QA · premises record
Planning Application
Approved
2025-03-05
Erection of single-storey extensions to the front and rear and side extensions. Conversion of roof space into habitable accommodation with new crown roof, construction of front and rear dormers and installation of five roof lights
40 HILLSIDE ROAD NORTHWOOD HA6 1QA · premises record
Planning Application
Refused
2025-02-10
demolition of existing garage and addition of a side extension, loft conversion with hip to gable roof.
16 HILLSIDE ROAD NORTHWOOD MIDDX HA6 1QA · premises record
Agent Priya Shah · Officer Sharon Singh
Planning Application
Approved
2024-12-12
Conversion of roof space to habitable use to include 2 side dormers and conversion of roof from hip to gable end with new gable end window and door with Juliette balcony (Application for a Certificate of Lawful Development for a Proposed Development)
18 HILLSIDE ROAD NORTHWOOD · premises record
Planning Application
Approved
2024-06-04
Erection of a single storey rear extension and a front infill extension with amendments to fenestration and steps (revised plans and description 25/09/23)
38 HILLSIDE ROAD NORTHWOOD · premises record
Planning Application
Approved
2023-06-16
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
38 HILLSIDE ROAD NORTHWOOD · premises record
Planning Application
Approved
2022-12-28
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
38 HILLSIDE ROAD NORTHWOOD · premises record
Planning Application
Refused
2022-10-10
Variation of Condition 2 (Accordance) of planning permission ref. 79279/APP/2025/1974, dated 24-09-2025 (Erection of single storey rear, side and front extension, conversion of roof space to habitable use including the creation of pitched roof over the proposed single storey rear extension by extend
40 HILLSIDE ROAD NORTHWOOD HA6 1QA · premises record
Agent Mr Sagar Som · Officer Sharon Singh
Approved
2025-10-14
More
Planning Application
Erection of single storey rear, side and front extension, conversion of roof space to habitable use including the creation of pitched roof over the proposed single storey rear extension by extending the existing ridge with side roof lights and the creation of a rear gable end and conversion of garag
40 HILLSIDE ROAD NORTHWOOD HA6 1QA · premises record
Approved
2025-07-21
More
Planning Application
Conversion of roofspace to habitable use to include 2 x side dormers, 3 x side rooflights and conversion of roof from hip to gable end with a Juliette balcony (Application for a Certificate of Lawful Development for a Proposed Development)
40 HILLSIDE ROAD NORTHWOOD HA6 1QA · premises record
Approved
2025-06-02
More
Planning Application
Show all 10 rows
Erection of an outbuilding to the rear garden.
40 HILLSIDE ROAD NORTHWOOD HA6 1QA · premises record
Approved
2025-03-05
More
Planning Application
Erection of single-storey extensions to the front and rear and side extensions. Conversion of roof space into habitable accommodation with new crown roof, construction of front and rear dormers and installation of five roof lights
40 HILLSIDE ROAD NORTHWOOD HA6 1QA · premises record
Refused
2025-02-10
More
Planning Application
demolition of existing garage and addition of a side extension, loft conversion with hip to gable roof.
16 HILLSIDE ROAD NORTHWOOD MIDDX HA6 1QA · premises record
Agent Priya Shah · Officer Sharon Singh
Approved
2024-12-12
More
Planning Application
Conversion of roof space to habitable use to include 2 side dormers and conversion of roof from hip to gable end with new gable end window and door with Juliette balcony (Application for a Certificate of Lawful Development for a Proposed Development)
18 HILLSIDE ROAD NORTHWOOD · premises record
Approved
2024-06-04
More
Planning Application
Erection of a single storey rear extension and a front infill extension with amendments to fenestration and steps (revised plans and description 25/09/23)
38 HILLSIDE ROAD NORTHWOOD · premises record
Approved
2023-06-16
More
Planning Application
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
38 HILLSIDE ROAD NORTHWOOD · premises record
Approved
2022-12-28
More
Planning Application
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
38 HILLSIDE ROAD NORTHWOOD · premises record
Refused
2022-10-10
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 20 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 20 of 20 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 20 of 20 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).

People

Who is involved?

Named on the latest 30 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Agent on 7 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 7 applications
Case officer on 5 applications
Case officer on 2 applications
Agent on 7 applications
Agent on 2 applications
Show all 10 rows
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 7 applications
Case officer on 5 applications
Case officer on 2 applications
Development

What could it become?

Planning precedent40 applications and 40 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy16 EPC records; ratings B: 1, C: 1, D: 8, E: 4, F: 2.
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

The Developer Plan

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

5 intent signals recorded in this postcode
Repeat sale · EPC F/G · 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.
HA6 1QA, Hillingdon: Planning and Property History | Planning Atlas