Planning Atlas
AtlasPostcodeHA49HB
Planning Atlas›Hillingdon›…South Ruislip ward›HA4 9HB
Postcode record · Hillingdon

HA4 9HB.

HA4 9HB has 37 known premises and 16 planning records — 14 approved of 15 decided (93.3%). 26 EPC records.

Postcode HA4 9HB · boundary not held, centred on the postcodeApprovedRefusedOther16 exact2 approximate18 on the map — every match
At a glance · this postcodeHillingdon profile →
37
Premises
known addresses (UPRNs)
16
Applications
15 decided
93.3%
Approval rate
14 approved · 1 refused
26
EPC records
ratings C 8 · D 14 · E 3 · G 1
18
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 9HB has 37 known premises and 16 planning records — 14 approved of 15 decided (93.3%). 26 EPC records.

Premises (18 of 37 shown)

Name
Details
UPRN 100021457788
UPRN 100021457790
UPRN 100021457792
UPRN 100021457794
UPRN 100021457796
UPRN 100021457798
UPRN 100021457800
UPRN 100021457802
UPRN 100021457804
UPRN 100021457806
UPRN 100021457788
UPRN 100021457790
UPRN 100021457792
Show all 10 rows
UPRN 100021457794
UPRN 100021457796
UPRN 100021457798
UPRN 100021457800
UPRN 100021457802
UPRN 100021457804
UPRN 100021457806
Planning

What happened?

16 planning applications across the postcode; 14 approved of 15 decided (93.3%). Latest 16 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a first floor rear extension.
55 CREST GARDENS RUISLIP MIDDLESEX HA4 9HB · premises record
Planning Application
Approved
2026-02-10
Erection of a single storey rear extension, following demolition of existing extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.102 metres and height of the eaves would be 2.95 metres
33 CREST GARDENS RUISLIP HA4 9HB · premises record
Planning Application
Approved
2026-01-12
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 3.56 metres, and for which the height of the eaves would be 2.49 metres
7 CREST GARDENS RUISLIP · premises record
Planning Application
Approved
2025-05-06
Erection of a first floor extension to rear.
11 CREST GARDENS RUISLIP MIDDX HA4 9HB · premises record
Planning Application
Approved
2024-05-10
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights, conversion of roof space from hip to gable end with new gable end window and removal of chimney stack (Application for a Certificate of Lawful Development for a Proposed Development)
9 CREST GARDENS RUISLIP · premises record
Planning Application
Approved
2024-04-30
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 2.80 metres
11 CREST GARDENS RUISLIP MIDDX HA4 9HB · premises record
Planning Application
Approved
2024-03-12
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights, conversion of roof from hip to gable end with a new gable end window, and erection of an outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
35 CREST GARDENS RUISLIP MIDDX HA4 9HB · premises record
Planning Application
Approved
2023-12-04
Part demolition of existing outbuilding and erection of a single storey rear infill extension
47 CREST GARDENS RUISLIP · premises record
Planning Application
Approved
2023-01-23
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights, conversion of roof from hip to gable end, demolition of rear chimney stack and installation of soil and vent pipes (Application for a Certificate of Lawful Development for a Proposed Development)
11 CREST GARDENS RUISLIP MIDDX HA4 9HB · premises record
Planning Application
Approved
2022-09-12
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
55 CREST GARDENS RUISLIP MIDDLESEX HA4 9HB · premises record
Officer Sean Dell
Planning Application
Approved
2021-06-12
Erection of a first floor rear extension.
55 CREST GARDENS RUISLIP MIDDLESEX HA4 9HB · premises record
Approved
2026-02-10
More
Planning Application
Erection of a single storey rear extension, following demolition of existing extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.102 metres and height of the eaves would be 2.95 metres
33 CREST GARDENS RUISLIP HA4 9HB · premises record
Approved
2026-01-12
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 3.56 metres, and for which the height of the eaves would be 2.49 metres
7 CREST GARDENS RUISLIP · premises record
Approved
2025-05-06
More
Planning Application
Show all 10 rows
Erection of a first floor extension to rear.
11 CREST GARDENS RUISLIP MIDDX HA4 9HB · premises record
Approved
2024-05-10
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights, conversion of roof space from hip to gable end with new gable end window and removal of chimney stack (Application for a Certificate of Lawful Development for a Proposed Development)
9 CREST GARDENS RUISLIP · premises record
Approved
2024-04-30
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 2.80 metres
11 CREST GARDENS RUISLIP MIDDX HA4 9HB · premises record
Approved
2024-03-12
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights, conversion of roof from hip to gable end with a new gable end window, and erection of an outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
35 CREST GARDENS RUISLIP MIDDX HA4 9HB · premises record
Approved
2023-12-04
More
Planning Application
Part demolition of existing outbuilding and erection of a single storey rear infill extension
47 CREST GARDENS RUISLIP · premises record
Approved
2023-01-23
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights, conversion of roof from hip to gable end, demolition of rear chimney stack and installation of soil and vent pipes (Application for a Certificate of Lawful Development for a Proposed Development)
11 CREST GARDENS RUISLIP MIDDX HA4 9HB · premises record
Approved
2022-09-12
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
55 CREST GARDENS RUISLIP MIDDLESEX HA4 9HB · premises record
Officer Sean Dell
Approved
2021-06-12
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 37 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 37 of 37 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 37 of 37 premises. Some normally permitted changes may require planning permission.
People

Who is involved?

Named on the latest 16 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Agent on 2 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 5 applications
Case officer on 4 applications
Case officer on 1 application
Case officer on 1 application
Agent on 2 applications
Agent on 2 applications
Agent on 1 application
Show all 10 rows
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 5 applications
Case officer on 4 applications
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent16 applications and 18 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy26 EPC records; ratings C: 8, D: 14, E: 3, G: 1.
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.

3 intent signals recorded in this postcode
Price decline · EPC F/G · Long hold
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.