Postcode record · Hillingdon
HA6 1RN.
HA6 1RN has 14 known premises and 19 planning records — 15 approved of 18 decided (83.3%). 7 EPC records.
Postcode HA6 1RN · boundary not held, centred on the postcodeApprovedRefusedOther19 exact19 on the map — every match
At a glance · this postcodeHillingdon profile →
14
Premises
known addresses (UPRNs)
19
Applications
18 decided
83.3%
Approval rate
15 approved · 3 refused
7
EPC records
ratings C 2 · D 3 · E 2
19
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 1RN has 14 known premises and 19 planning records — 15 approved of 18 decided (83.3%). 7 EPC records.
Premises
Name
Details
UPRN 100021445317
UPRN 100021445319
UPRN 100021445321
UPRN 100021445323
UPRN 100021445325
UPRN 100021445327
UPRN 100021445329
UPRN 100021445331
UPRN 100021445333
UPRN 100021445335
UPRN 100021445317
UPRN 100021445319
UPRN 100021445321
Show all 10 rows
UPRN 100021445323
UPRN 100021445325
UPRN 100021445327
UPRN 100021445329
UPRN 100021445331
UPRN 100021445333
UPRN 100021445335
Planning
What happened?
19 planning applications across the postcode; 15 approved of 18 decided (83.3%). Latest 19 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Conversion of roof space to habitable use to include 2x side dormers and hip to gable end extension (Application for a Certificate of Lawful Development for a Proposed Development)
17 HILLSIDE GARDENS NORTHWOOD · premises record
Agent Mr Mateusz Ley · Officer Rhian Thomas
Planning Application
Approved
2026-01-30
Erection of part single storey side, part two storey rear, conversion of roof to habitable use with additional space, 8 x roof lights, removal of chimneys, and amendments to windows
17 HILLSIDE GARDENS NORTHWOOD · premises record
Agent Mr Mateusz Ley · Officer Sharon Singh
Planning Application
Approved
2025-09-30
Erection of a single storey rear extension, conversion of roof space to habitable use to include a front dormer, 6no. side facing roof lights, hip to gable end conversion with gable end door and Juliette balcony, conversion of garage to habitable space, and amendments to fenestration.
3 HILLSIDE GARDENS NORTHWOOD HA6 1RN · premises record
Agent Mr Mateusz Ley · Officer Sharon Singh
Planning Application
Approved
2025-03-27
Single storey side extension including conversion of garage to habitable use and conversion of roofspace to habitable use to include a Juliet balcony to rear and 10 x rooflights.
19 HILLSIDE GARDENS NORTHWOOD · premises record
Agent Mr Ravi Kotak · Officer Nicola Taplin
Planning Application
Approved
2021-03-15
Single storey side/rear extension, conversion of attached garage to habitable use involving alterations to front elevation, conversion of roof space to habitable use including side dormers and enlargement of front dormer
25 HILLSIDE GARDENS NORTHWOOD · premises record
Agent Mr Andrew Alfred · Officer Mandeep Chaggar
Planning Application
Withdrawn
2018-03-21
Single storey rear extension, conservatory to rear, conversion of garage to habitable use and enlargement of roof to create additional habitable roof space (Application for a Certificate of Lawful Development for a Proposed Development).
17 HILLSIDE GARDENS NORTHWOOD · premises record
Agent Mr Paul McGrath Ceetoo · Officer Liz Arnold
Planning Application
Refused
2016-03-03
Enlargement of existing roof and installation of 1 front dormer to create additional habitable roofspace, single storey rear extension and conversion of garage to habitable use involving removal of garage door
17 HILLSIDE GARDENS NORTHWOOD · premises record
Agent Mr Paul McGrath Unit · Officer Liz Arnold
Planning Application
Refused
2015-11-17
First floor rear extension to include new rear gable end window
5 HILLSIDE GARDENS NORTHWOOD · premises record
Agent G E Pottle & Co. Suite B, · Officer James Stone
Planning Application
Approved
2009-10-15
Single storey rear extension (Application for a Certificate of Lawfulness for a proposed use or development).
5 HILLSIDE GARDENS NORTHWOOD · premises record
Agent G E Pottle & Co. Suite B, · Officer Colin Tebb
Planning Application
Approved
2009-07-24
Conversion of roof from hip to gable end with gable end window and installation of 2 side dormers to allow roofspace to be used for habitable purposes. (Application for a Certificate of Lawfulness for a proposed use or development)
5 HILLSIDE GARDENS NORTHWOOD MIDDLESEX HA6 1RN · premises record
Agent G.E. Pottle & Co. Suite B, · Officer Colin Tebb
Planning Application
Approved
2008-12-15
Conversion of roof space to habitable use to include 2x side dormers and hip to gable end extension (Application for a Certificate of Lawful Development for a Proposed Development)
17 HILLSIDE GARDENS NORTHWOOD · premises record
Agent Mr Mateusz Ley · Officer Rhian Thomas
Approved
2026-01-30
More
Planning Application
Erection of part single storey side, part two storey rear, conversion of roof to habitable use with additional space, 8 x roof lights, removal of chimneys, and amendments to windows
17 HILLSIDE GARDENS NORTHWOOD · premises record
Agent Mr Mateusz Ley · Officer Sharon Singh
Approved
2025-09-30
More
Planning Application
Erection of a single storey rear extension, conversion of roof space to habitable use to include a front dormer, 6no. side facing roof lights, hip to gable end conversion with gable end door and Juliette balcony, conversion of garage to habitable space, and amendments to fenestration.
3 HILLSIDE GARDENS NORTHWOOD HA6 1RN · premises record
Agent Mr Mateusz Ley · Officer Sharon Singh
Approved
2025-03-27
More
Planning Application
Show all 10 rows
Single storey side extension including conversion of garage to habitable use and conversion of roofspace to habitable use to include a Juliet balcony to rear and 10 x rooflights.
19 HILLSIDE GARDENS NORTHWOOD · premises record
Agent Mr Ravi Kotak · Officer Nicola Taplin
Approved
2021-03-15
More
Planning Application
Single storey side/rear extension, conversion of attached garage to habitable use involving alterations to front elevation, conversion of roof space to habitable use including side dormers and enlargement of front dormer
25 HILLSIDE GARDENS NORTHWOOD · premises record
Agent Mr Andrew Alfred · Officer Mandeep Chaggar
Withdrawn
2018-03-21
More
Planning Application
Single storey rear extension, conservatory to rear, conversion of garage to habitable use and enlargement of roof to create additional habitable roof space (Application for a Certificate of Lawful Development for a Proposed Development).
17 HILLSIDE GARDENS NORTHWOOD · premises record
Agent Mr Paul McGrath Ceetoo · Officer Liz Arnold
Refused
2016-03-03
More
Planning Application
Enlargement of existing roof and installation of 1 front dormer to create additional habitable roofspace, single storey rear extension and conversion of garage to habitable use involving removal of garage door
17 HILLSIDE GARDENS NORTHWOOD · premises record
Agent Mr Paul McGrath Unit · Officer Liz Arnold
Refused
2015-11-17
More
Planning Application
First floor rear extension to include new rear gable end window
5 HILLSIDE GARDENS NORTHWOOD · premises record
Agent G E Pottle & Co. Suite B, · Officer James Stone
Approved
2009-10-15
More
Planning Application
Single storey rear extension (Application for a Certificate of Lawfulness for a proposed use or development).
5 HILLSIDE GARDENS NORTHWOOD · premises record
Agent G E Pottle & Co. Suite B, · Officer Colin Tebb
Approved
2009-07-24
More
Planning Application
Conversion of roof from hip to gable end with gable end window and installation of 2 side dormers to allow roofspace to be used for habitable purposes. (Application for a Certificate of Lawfulness for a proposed use or development)
5 HILLSIDE GARDENS NORTHWOOD MIDDLESEX HA6 1RN · premises record
Agent G.E. Pottle & Co. Suite B, · Officer Colin Tebb
Approved
2008-12-15
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 14 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 14 of 14 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 14 of 14 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 19 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
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 3 applications
Agent on 2 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
Agent on 1 application
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent19 applications and 19 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy7 EPC records; ratings C: 2, D: 3, E: 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 ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
Thinking about a project here?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.