Planning Atlas
AtlasPostcodeHA49HG
Planning AtlasHillingdonSouth Ruislip wardHA4 9HG
Postcode record · Hillingdon

HA4 9HG.

HA4 9HG has 48 known premises and 6 planning records — 5 approved of 6 decided (83.3%). 28 EPC records.

Postcode HA4 9HG · boundary not held, centred on the postcodeApprovedRefusedOther6 exact6 on the map — every match
At a glance · this postcodeHillingdon profile →
48
Premises
known addresses (UPRNs)
6
Applications
6 decided
83.3%
Approval rate
5 approved · 1 refused
28
EPC records
ratings C 1 · D 11 · E 13 · F 3
6
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 9HG has 48 known premises and 6 planning records — 5 approved of 6 decided (83.3%). 28 EPC records.

Premises (18 of 48 shown)

Planning

What happened?

6 planning applications across the postcode; 5 approved of 6 decided (83.3%). Latest 6 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Erection of single storey rear extension and rear infill extension
16 MOUNT PLEASANT RUISLIP MIDDLESEX HA4 9HG · premises record
Planning Application
Approved
2025-11-27
Conversion of roof space to habitable use to include a rear dormer, 2 front rooflights and conversion of both sides of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
16 MOUNT PLEASANT RUISLIP MIDDLESEX HA4 9HG · premises record
Planning Application
Refused
2020-08-11
Single storey rear extension and single storey side extension (Application for a Certificate of Lawful Development for a Proposed Development)
41 MOUNT PLEASANT RUISLIP HA4 9HG · premises record
Agent Mr Jag Brard · Officer Cris Lancaster
Planning Application
Approved
2020-05-19
Conversion of roofspace to habitable use to include a rear dormer, 2 front rooflights and conversion of both sides of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
29 MOUNT PLEASANT RUISLIP MIDDLESEX HA4 9HG · premises record
Planning Application
Approved
2018-12-20
Conversion of roofspace to habitable use to include a rear dormer, 2 front rooflights and conversion of both sides of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
29 MOUNT PLEASANT RUISLIP MIDDLESEX HA4 9HG · premises record
Planning Application
Approved
2018-10-29
Conversion of roof space to habitable use to include a rear dormer, 1 front roof light and conversion of both sides of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development).
28 MOUNT PLEASANT RUISLIP HA4 9HG · premises record
Agent Mr John Evans · Officer Hardeep Ryatt
Planning Application
Approved
2017-06-01
Erection of single storey rear extension and rear infill extension
16 MOUNT PLEASANT RUISLIP MIDDLESEX HA4 9HG · premises record
Approved
2025-11-27
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer, 2 front rooflights and conversion of both sides of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
16 MOUNT PLEASANT RUISLIP MIDDLESEX HA4 9HG · premises record
Refused
2020-08-11
More
Planning Application
Single storey rear extension and single storey side extension (Application for a Certificate of Lawful Development for a Proposed Development)
41 MOUNT PLEASANT RUISLIP HA4 9HG · premises record
Agent Mr Jag Brard · Officer Cris Lancaster
Approved
2020-05-19
More
Planning Application
Show all 6 rows
Conversion of roofspace to habitable use to include a rear dormer, 2 front rooflights and conversion of both sides of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
29 MOUNT PLEASANT RUISLIP MIDDLESEX HA4 9HG · premises record
Approved
2018-12-20
More
Planning Application
Conversion of roofspace to habitable use to include a rear dormer, 2 front rooflights and conversion of both sides of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
29 MOUNT PLEASANT RUISLIP MIDDLESEX HA4 9HG · premises record
Approved
2018-10-29
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer, 1 front roof light and conversion of both sides of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development).
28 MOUNT PLEASANT RUISLIP HA4 9HG · premises record
Agent Mr John Evans · Officer Hardeep Ryatt
Approved
2017-06-01
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 48 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 48 of 48 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 48 of 48 premises. Some normally permitted changes may require planning permission.
People

Who is involved?

Named on the latest 6 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
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Show all 9 rows
Agent on 1 application
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent6 applications and 6 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy28 EPC records; ratings C: 1, D: 11, E: 13, F: 3.
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.

13 intent signals recorded in this postcode
EPC F/G · Long hold · Ageing director
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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.