Planning Atlas
AtlasPostcodeHA61RL
Planning AtlasHillingdonNorthwood Hills wardHA6 1RL
Postcode record · Hillingdon

HA6 1RL.

HA6 1RL has 22 known premises and 38 planning records — 23 approved of 36 decided (63.9%). 17 EPC records.

Postcode HA6 1RL · boundary not held, centred on the postcodeApprovedRefusedOther38 exact38 on the map — every match
At a glance · this postcodeHillingdon profile →
22
Premises
known addresses (UPRNs)
38
Applications
36 decided
63.9%
Approval rate
23 approved · 13 refused
17
EPC records
ratings C 2 · D 7 · E 6 · F 2
38
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 1RL has 22 known premises and 38 planning records — 23 approved of 36 decided (63.9%). 17 EPC records.

Premises (18 of 22 shown)

Planning

What happened?

38 planning applications across the postcode; 23 approved of 36 decided (63.9%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Non-material amendment to planning permission ref. 30897/APP/2023/3610, dated 16-02-24 (Erection of a single storey front/side extension including conversion of garage space into habitable use. Erection of part single storey, part two storey rear extension following demolition of existing conservato
6 HILLSIDE GARDENS NORTHWOOD · premises record
Planning Application
Refused
2025-12-15
Erection of a front porch extension and a new window on side elevation
8 HILLSIDE GARDENS NORTHWOOD · premises record
Planning Application
Refused
2025-09-12
Erection of a front extension, following the conversion of garage to habitable accommodation
40 HILLSIDE GARDENS NORTHWOOD · premises record
Planning Application
Approved
2025-03-10
Erection of a part single storey, part two storey side and rear extension, erection of a single storey front extension, erection of front porch, conversion of roof space to habitable use to include raised roof ridge, crown roof and rear gable, front dormer , installations of 8 x solar panels and ame
34 HILLSIDE GARDENS NORTHWOOD · premises record
Planning Application
Approved
2025-02-25
Erection of single storey rear and front, part side extensions, conversion of integral garage to habitable room including alterations to fenestration.
40 HILLSIDE GARDENS NORTHWOOD · premises record
Planning Application
Approved
2025-01-06
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights and conversion of roof from hip to gable end on both sides. Removal of existing chimney stack. Erection of single storey rear extension & rear extension to existing garage (Application for a Certificate of Lawful
34 HILLSIDE GARDENS NORTHWOOD · premises record
Planning Application
Approved
2024-11-13
Erection of single storey side extension to the side and rear following demolition of existing garage. Conversion of roof space to habitable use to include installation of 3no. side facing roof lights and alterations to roof form to include creation of a new gable end to the rear with new gable end
4 HILLSIDE GARDENS NORTHWOOD MIDDLESEX HA6 1RL · premises record
Agent Mr - Tecon Ltd · Officer Becky Smith
Planning Application
Approved
2024-10-28
Erection of outbuilding to rear garden, following demolition of existing garden shed (Application for a Certificate of Lawful Development for a Proposed Development)
34 HILLSIDE GARDENS NORTHWOOD · premises record
Planning Application
Approved
2024-09-27
Erection of a single storey front/side extension including conversion of garage space into habitable use. Erection of part single storey, part two storey rear extension following demolition of existing conservatory including the conversion of roof space into habitable use to include hip to gable con
6 HILLSIDE GARDENS NORTHWOOD · premises record
Planning Application
Approved
2023-12-12
Proposal to render all walls, change roof tiles to grey concrete tiles, and changes to existing window finish to black UPVC (Application for a Certificate of Lawful Development for a Proposed Development)
6 HILLSIDE GARDENS NORTHWOOD · premises record
Planning Application
Withdrawn
2023-10-14
Non-material amendment to planning permission ref. 30897/APP/2023/3610, dated 16-02-24 (Erection of a single storey front/side extension including conversion of garage space into habitable use. Erection of part single storey, part two storey rear extension following demolition of existing conservato
6 HILLSIDE GARDENS NORTHWOOD · premises record
Refused
2025-12-15
More
Planning Application
Erection of a front porch extension and a new window on side elevation
8 HILLSIDE GARDENS NORTHWOOD · premises record
Refused
2025-09-12
More
Planning Application
Erection of a front extension, following the conversion of garage to habitable accommodation
40 HILLSIDE GARDENS NORTHWOOD · premises record
Approved
2025-03-10
More
Planning Application
Show all 10 rows
Erection of a part single storey, part two storey side and rear extension, erection of a single storey front extension, erection of front porch, conversion of roof space to habitable use to include raised roof ridge, crown roof and rear gable, front dormer , installations of 8 x solar panels and ame
34 HILLSIDE GARDENS NORTHWOOD · premises record
Approved
2025-02-25
More
Planning Application
Erection of single storey rear and front, part side extensions, conversion of integral garage to habitable room including alterations to fenestration.
40 HILLSIDE GARDENS NORTHWOOD · premises record
Approved
2025-01-06
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights and conversion of roof from hip to gable end on both sides. Removal of existing chimney stack. Erection of single storey rear extension & rear extension to existing garage (Application for a Certificate of Lawful
34 HILLSIDE GARDENS NORTHWOOD · premises record
Approved
2024-11-13
More
Planning Application
Erection of single storey side extension to the side and rear following demolition of existing garage. Conversion of roof space to habitable use to include installation of 3no. side facing roof lights and alterations to roof form to include creation of a new gable end to the rear with new gable end
4 HILLSIDE GARDENS NORTHWOOD MIDDLESEX HA6 1RL · premises record
Agent Mr - Tecon Ltd · Officer Becky Smith
Approved
2024-10-28
More
Planning Application
Erection of outbuilding to rear garden, following demolition of existing garden shed (Application for a Certificate of Lawful Development for a Proposed Development)
34 HILLSIDE GARDENS NORTHWOOD · premises record
Approved
2024-09-27
More
Planning Application
Erection of a single storey front/side extension including conversion of garage space into habitable use. Erection of part single storey, part two storey rear extension following demolition of existing conservatory including the conversion of roof space into habitable use to include hip to gable con
6 HILLSIDE GARDENS NORTHWOOD · premises record
Approved
2023-12-12
More
Planning Application
Proposal to render all walls, change roof tiles to grey concrete tiles, and changes to existing window finish to black UPVC (Application for a Certificate of Lawful Development for a Proposed Development)
6 HILLSIDE GARDENS NORTHWOOD · premises record
Withdrawn
2023-10-14
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 22 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 22 of 22 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 22 of 22 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 3 applications
Agent on 3 applications
Agent on 2 applications
Agent on 2 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 4 applications
Case officer on 3 applications
Agent on 3 applications
Agent on 3 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
Agent on 1 application
Case officer on 4 applications
Case officer on 3 applications
Development

What could it become?

Planning precedent38 applications and 38 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy17 EPC records; ratings C: 2, D: 7, E: 6, 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

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.

4 intent signals recorded in this postcode
EPC F/G · Repeat refusal · Long hold
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.