Postcode record · Hillingdon
HA4 6AG.
HA4 6AG has 15 known premises and 8 planning records — 7 approved of 7 decided (100%). 3 EPC records.
Postcode HA4 6AG · boundary not held, centred on the postcodeApprovedRefusedOther8 exact8 on the map — every match
At a glance · this postcodeHillingdon profile →
15
Premises
known addresses (UPRNs)
8
Applications
7 decided
100%
Approval rate
7 approved · 0 refused
3
EPC records
ratings C 1 · D 2
8
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?
HA4 6AG has 15 known premises and 8 planning records — 7 approved of 7 decided (100%). 3 EPC records.
Premises
Name
Details
UPRN 10015272758
UPRN 100021457525
UPRN 100021457526
UPRN 100021457527
UPRN 100021457528
UPRN 100021457529
UPRN 100021457530
UPRN 100021457531
UPRN 100021457532
UPRN 100021457533
UPRN 10015272758
UPRN 100021457525
UPRN 100021457526
Show all 10 rows
UPRN 100021457527
UPRN 100021457528
UPRN 100021457529
UPRN 100021457530
UPRN 100021457531
UPRN 100021457532
UPRN 100021457533
Planning
What happened?
8 planning applications across the postcode; 7 approved of 7 decided (100%). Latest 8 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Details pursuant to the discharge of Conditions 3 (demolition and construction management plan), 4 (sustainable water management) and 6 (step free access) of planning permission ref. 77471/APP/2022/2522, dated 23-08-2022 (Hip to gable conversion at No. 155 Cornwall Road and erection of an end of ter
155 CORNWALL ROAD RUISLIP HA4 6AG · premises record
Agent Mr K DAustin · Officer Sharon Singh
Planning Application
Approved
2025-08-11
Conversion of roof space to habitable use to include a rear dormer with Juliette balcony, 3 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development).
151 CORNWALL ROAD RUISLIP · premises record
Agent - SMART SKILLS LTD · Officer Katherine Mills
Planning Application
Approved
2025-07-14
Hip to gable conversion at No. 155 Cornwall Road and erection of an end-of-terrace house with associated landscaping and parking, following the demolition of existing detached garage
155 CORNWALL ROAD RUISLIP HA4 6AG · premises record
Agent Mr Stuart Bowen, Stuart Bowen & CO · Officer Nesha Burnham
Planning Application
Withdrawn
2023-03-27
Hip to gable conversion at No. 155 Cornwall Road and erection of an end of terrace house with associated landscaping and parking, following the demolition of existing detached garage
155 CORNWALL ROAD RUISLIP HA4 6AG · premises record
Agent Mr Stuart Bowen Stuart Bowen & Co · Officer Nesha Burnham
Planning Application
Approved
2022-08-04
Erection of single storey extension to rear, conversion of roof space to habitable use to include a rear dormer with 3 front roof lights, conversion of roof from hip to gable end, blocking up first floor side window and demolition of side chimney stack (Application for a Certificate of Lawful Develo
155 CORNWALL ROAD RUISLIP HA4 6AG · premises record
Agent Mr Stuart Bowen Stuart Bowen & Co · Officer Analese Haynes
Planning Application
Approved
2022-08-04
Single storey rear extension to ground floor flat
149 CORNWALL ROAD RUISLIP · premises record
Agent Mr Mark Baldwin · Officer Liz Arnold
Planning Application
Approved
2017-08-11
Single storey rear extension with 2 rooflights, involving demolition of existing rear extension (Application for a Certificate of Lawfulness for a Proposed Development).
163 CORNWALL ROAD RUISLIP · premises record
Agent The Art of Building Ltd. The Outbuildings · Officer Sonia Bowen
Planning Application
Approved
2010-11-26
Erection of a single storey rear extension with 2 rooflights (Application for a Lawful Development Certificate for a Proposed Development).
151 CORNWALL ROAD RUISLIP · premises record
Agent MR MICHAEL BURNARD · Officer Sonia Bowen
Planning Application
Approved
2010-04-19
Details pursuant to the discharge of Conditions 3 (demolition and construction management plan), 4 (sustainable water management) and 6 (step free access) of planning permission ref. 77471/APP/2022/2522, dated 23-08-2022 (Hip to gable conversion at No. 155 Cornwall Road and erection of an end of ter
155 CORNWALL ROAD RUISLIP HA4 6AG · premises record
Agent Mr K DAustin · Officer Sharon Singh
Approved
2025-08-11
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer with Juliette balcony, 3 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development).
151 CORNWALL ROAD RUISLIP · premises record
Agent - SMART SKILLS LTD · Officer Katherine Mills
Approved
2025-07-14
More
Planning Application
Hip to gable conversion at No. 155 Cornwall Road and erection of an end-of-terrace house with associated landscaping and parking, following the demolition of existing detached garage
155 CORNWALL ROAD RUISLIP HA4 6AG · premises record
Agent Mr Stuart Bowen, Stuart Bowen & CO · Officer Nesha Burnham
Withdrawn
2023-03-27
More
Planning Application
Show all 8 rows
Hip to gable conversion at No. 155 Cornwall Road and erection of an end of terrace house with associated landscaping and parking, following the demolition of existing detached garage
155 CORNWALL ROAD RUISLIP HA4 6AG · premises record
Agent Mr Stuart Bowen Stuart Bowen & Co · Officer Nesha Burnham
Approved
2022-08-04
More
Planning Application
Erection of single storey extension to rear, conversion of roof space to habitable use to include a rear dormer with 3 front roof lights, conversion of roof from hip to gable end, blocking up first floor side window and demolition of side chimney stack (Application for a Certificate of Lawful Develo
155 CORNWALL ROAD RUISLIP HA4 6AG · premises record
Agent Mr Stuart Bowen Stuart Bowen & Co · Officer Analese Haynes
Approved
2022-08-04
More
Planning Application
Single storey rear extension to ground floor flat
149 CORNWALL ROAD RUISLIP · premises record
Agent Mr Mark Baldwin · Officer Liz Arnold
Approved
2017-08-11
More
Planning Application
Single storey rear extension with 2 rooflights, involving demolition of existing rear extension (Application for a Certificate of Lawfulness for a Proposed Development).
163 CORNWALL ROAD RUISLIP · premises record
Agent The Art of Building Ltd. The Outbuildings · Officer Sonia Bowen
Approved
2010-11-26
More
Planning Application
Erection of a single storey rear extension with 2 rooflights (Application for a Lawful Development Certificate for a Proposed Development).
151 CORNWALL ROAD RUISLIP · premises record
Agent MR MICHAEL BURNARD · Officer Sonia Bowen
Approved
2010-04-19
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 15 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 15 of 15 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 15 of 15 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 8 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
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
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Show all 10 rows
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Development
What could it become?
Planning precedent8 applications and 8 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy3 EPC records; ratings C: 1, D: 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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.