Postcode record · Hillingdon
HA4 9TN.
HA4 9TN has 16 known premises and 27 planning records — 20 approved of 25 decided (80%). 8 EPC records.
Postcode HA4 9TN · boundary not held, centred on the postcodeApprovedRefusedOther27 exact27 on the map — every match
At a glance · this postcodeHillingdon profile →
16
Premises
known addresses (UPRNs)
27
Applications
25 decided
80%
Approval rate
20 approved · 5 refused
8
EPC records
ratings C 1 · D 5 · E 2
27
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 9TN has 16 known premises and 27 planning records — 20 approved of 25 decided (80%). 8 EPC records.
Premises
Name
Details
UPRN 100021466121
UPRN 100021466123
UPRN 100021466125
UPRN 100021466127
UPRN 100021466129
UPRN 100021466131
UPRN 100021466133
UPRN 100021466135
UPRN 100021466137
UPRN 100021466139
UPRN 100021466121
UPRN 100021466123
UPRN 100021466125
Show all 10 rows
UPRN 100021466127
UPRN 100021466129
UPRN 100021466131
UPRN 100021466133
UPRN 100021466135
UPRN 100021466137
UPRN 100021466139
Planning
What happened?
27 planning applications across the postcode; 20 approved of 25 decided (80%). Latest 27 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Details pursuant to the discharge of Conditions 6 (Landscape), 7 (Demolition and Construction) of planning permission ref. 53184/APP/2025/1753, dated 19-11-25 (Conversion of single dwellinghouse into 2no. self-contained units, including erection of a single storey side/rear extension, conversion of
21 PINE GARDENS RUISLIP · premises record
Agent Mr Peter Norman · Officer Sharon Singh
Planning Application
Approved
2025-12-09
Variation of Condition 2 (Submitted Plans) of planning permission ref. 35392/APP/2024/3243, dated 25-04-2025 (Erection of a part single storey, part two storey extension to the side and rear and conversion of roof space to habitable use to include a rear dormer, to accommodate the conversion of the
23 PINE GARDENS RUISLIP · premises record
Agent Mr David Gutwirth Unit · Officer Emilie Bateman
Planning Application
Approved
2025-07-03
Erection of a single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)
9 PINE GARDENS RUISLIP MIDDLESEX HA4 9TN · premises record
Agent John Prideaux · Officer Katherine Mills
Planning Application
Approved
2025-06-25
Conversion of single dwellinghouse into 2no. self-contained units, including erection of a single storey side/rear extension, conversion of roof space to habitable use with a rear dormer and 2 front roof lights, associated parking, landscaping, bin and cycle storage.
21 PINE GARDENS RUISLIP · premises record
Agent Mr Peter Norman · Officer Sharon Singh
Planning Application
Approved
2025-06-24
Erection of a single storey infill extension to the rear (RETROSPECTIVE)
1 PINE GARDENS RUISLIP · premises record
Agent Mr Yu Han Erskine Chang · Officer Emilie Bateman
Planning Application
Approved
2025-06-18
Erection of a rear dormer
21 PINE GARDENS RUISLIP · premises record
Agent Mr Peter Norman · Officer Katherine Mills
Planning Application
Approved
2025-03-11
Erection of a single storey extension to the side/rear
21 PINE GARDENS RUISLIP · premises record
Agent Mr Peter Norman · Officer Katherine Mills
Planning Application
Approved
2025-03-06
Erection of a part single storey, part two storey extension to the side and rear and conversion of roof space to habitable use to include a rear dormer, to accommodate the conversion of the existing dwelling into two dwellings, along with associated car and cycle parking, external amenity space.
23 PINE GARDENS RUISLIP · premises record
Agent Mr David Gutwirth Unit · Officer Becky Smith
Planning Application
Approved
2024-12-11
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.00 metres, and for which the height of the eaves would be 3.00 metres
23 PINE GARDENS RUISLIP · premises record
Agent Mr David Gutwirth Unit · Officer Becky Smith
Planning Application
Approved
2024-11-07
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.00 metres, and for which the height of the eaves would be 2.70 metres
23 PINE GARDENS RUISLIP · premises record
Agent Mr David Gutwirth Unit · Officer Becky Smith
Planning Application
Approved
2024-10-29
Details pursuant to the discharge of Conditions 6 (Landscape), 7 (Demolition and Construction) of planning permission ref. 53184/APP/2025/1753, dated 19-11-25 (Conversion of single dwellinghouse into 2no. self-contained units, including erection of a single storey side/rear extension, conversion of
21 PINE GARDENS RUISLIP · premises record
Agent Mr Peter Norman · Officer Sharon Singh
Approved
2025-12-09
More
Planning Application
Variation of Condition 2 (Submitted Plans) of planning permission ref. 35392/APP/2024/3243, dated 25-04-2025 (Erection of a part single storey, part two storey extension to the side and rear and conversion of roof space to habitable use to include a rear dormer, to accommodate the conversion of the
23 PINE GARDENS RUISLIP · premises record
Agent Mr David Gutwirth Unit · Officer Emilie Bateman
Approved
2025-07-03
More
Planning Application
Erection of a single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)
9 PINE GARDENS RUISLIP MIDDLESEX HA4 9TN · premises record
Agent John Prideaux · Officer Katherine Mills
Approved
2025-06-25
More
Planning Application
Show all 10 rows
Conversion of single dwellinghouse into 2no. self-contained units, including erection of a single storey side/rear extension, conversion of roof space to habitable use with a rear dormer and 2 front roof lights, associated parking, landscaping, bin and cycle storage.
21 PINE GARDENS RUISLIP · premises record
Agent Mr Peter Norman · Officer Sharon Singh
Approved
2025-06-24
More
Planning Application
Erection of a single storey infill extension to the rear (RETROSPECTIVE)
1 PINE GARDENS RUISLIP · premises record
Agent Mr Yu Han Erskine Chang · Officer Emilie Bateman
Approved
2025-06-18
More
Planning Application
Erection of a rear dormer
21 PINE GARDENS RUISLIP · premises record
Agent Mr Peter Norman · Officer Katherine Mills
Approved
2025-03-11
More
Planning Application
Erection of a single storey extension to the side/rear
21 PINE GARDENS RUISLIP · premises record
Agent Mr Peter Norman · Officer Katherine Mills
Approved
2025-03-06
More
Planning Application
Erection of a part single storey, part two storey extension to the side and rear and conversion of roof space to habitable use to include a rear dormer, to accommodate the conversion of the existing dwelling into two dwellings, along with associated car and cycle parking, external amenity space.
23 PINE GARDENS RUISLIP · premises record
Agent Mr David Gutwirth Unit · Officer Becky Smith
Approved
2024-12-11
More
Planning Application
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.00 metres, and for which the height of the eaves would be 3.00 metres
23 PINE GARDENS RUISLIP · premises record
Agent Mr David Gutwirth Unit · Officer Becky Smith
Approved
2024-11-07
More
Planning Application
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.00 metres, and for which the height of the eaves would be 2.70 metres
23 PINE GARDENS RUISLIP · premises record
Agent Mr David Gutwirth Unit · Officer Becky Smith
Approved
2024-10-29
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 16 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 16 of 16 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 16 of 16 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 27 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Agent on 5 applications
Agent on 4 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 4 applications
Case officer on 3 applications
Case officer on 3 applications
Agent on 5 applications
Agent on 4 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 4 applications
Case officer on 3 applications
Case officer on 3 applications
Development
What could it become?
Planning precedent27 applications and 27 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings C: 1, D: 5, 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.
5 intent signals recorded in this postcode
Charge registered · Portfolio seller · Long hold
Subscribe to see the signals →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.