Postcode record · Hillingdon
HA4 9DT.
HA4 9DT has 11 known premises and 5 planning records — 3 approved of 5 decided (60%). 4 EPC records.
Postcode HA4 9DT · boundary not held, centred on the postcodeApprovedRefusedOther5 exact5 on the map — every match
At a glance · this postcodeHillingdon profile →
11
Premises
known addresses (UPRNs)
5
Applications
5 decided
60%
Approval rate
3 approved · 2 refused
4
EPC records
ratings D 4
5
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 9DT has 11 known premises and 5 planning records — 3 approved of 5 decided (60%). 4 EPC records.
Premises
Name
Details
UPRN 10022799958
UPRN 100021471722
UPRN 100021471724
UPRN 100021471726
UPRN 100021471728
UPRN 100021471730
UPRN 100021471732
UPRN 100021471734
UPRN 100021471736
UPRN 100021471738
UPRN 10022799958
UPRN 100021471722
UPRN 100021471724
Show all 10 rows
UPRN 100021471726
UPRN 100021471728
UPRN 100021471730
UPRN 100021471732
UPRN 100021471734
UPRN 100021471736
UPRN 100021471738
Planning
What happened?
5 planning applications across the postcode; 3 approved of 5 decided (60%). Latest 5 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey side extension.
29 WHITBY ROAD RUISLIP · premises record
Agent G E Pottle & Co. Suite B, · Officer Catherine Hems
Planning Application
Approved
2009-04-21
ERECTION OF A SINGLE STOREY SIDE EXTENSION (INVOLVING DEMOLITION OF EXISTING GARAGE)
21 WHITBY ROAD RUISLIP · premises record
Agent TIP TOP CONSTRUCTION · Officer Schalk Van Der Merwe
Planning Application
Approved
2002-12-05
ERECTION OF A FIRST FLOOR REAR EXTENSION
39 WHITBY ROAD RUISLIP · premises record
Agent D E CASSE · Officer Nikki Wyatt
Planning Application
Refused
2000-09-28
Erection of a first floor rear extension
39 WHITBY ROAD RUISLIP · premises record
Agent Mr D E Casse · Officer Robert Clarke
—
Refused
1999-01-20
Erection of a first floor rear extension
39 WHITBY ROAD RUISLIP · premises record
Agent Mr David E Casse · Officer Robert Clarke
—
Approved
1998-11-24
Single storey side extension.
29 WHITBY ROAD RUISLIP · premises record
Agent G E Pottle & Co. Suite B, · Officer Catherine Hems
Approved
2009-04-21
More
Planning Application
ERECTION OF A SINGLE STOREY SIDE EXTENSION (INVOLVING DEMOLITION OF EXISTING GARAGE)
21 WHITBY ROAD RUISLIP · premises record
Agent TIP TOP CONSTRUCTION · Officer Schalk Van Der Merwe
Approved
2002-12-05
More
Planning Application
ERECTION OF A FIRST FLOOR REAR EXTENSION
39 WHITBY ROAD RUISLIP · premises record
Agent D E CASSE · Officer Nikki Wyatt
Refused
2000-09-28
More
Planning Application
Show all 5 rows
Erection of a first floor rear extension
39 WHITBY ROAD RUISLIP · premises record
Agent Mr D E Casse · Officer Robert Clarke
Refused
1999-01-20
More
—
Erection of a first floor rear extension
39 WHITBY ROAD RUISLIP · premises record
Agent Mr David E Casse · Officer Robert Clarke
Approved
1998-11-24
More
—
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 11 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 11 of 11 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 11 of 11 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 5 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
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 1 application
Case officer on 1 application
Case officer on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Show all 9 rows
Agent on 1 application
Agent on 1 application
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent5 applications and 5 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy4 EPC records; ratings D: 4.
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?
How long would a planning application take here? →
Hillingdon's real decision times and approval rates, measured from the record — not the statutory target.
Why do applications around here get refused? →
The most common refusal grounds in Hillingdon, by year and scheme type — the risks to know before applying.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.