Planning Atlas
Planning AtlasHillingdonColham & Cowley wardUB8 3JL
Postcode record · Hillingdon

UB8 3JL.

UB8 3JL has 53 known premises and 64 planning records — 31 approved of 61 decided (50.8%). 33 EPC records.

Postcode UB8 3JL · boundary not held, centred on the postcodeApprovedRefusedOther64 exact64 on the map — every match
At a glance · this postcodeHillingdon profile →
53
Premises
known addresses (UPRNs)
64
Applications
61 decided
50.8%
Approval rate
31 approved · 30 refused
33
EPC records
ratings C 7 · D 26
64
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?

UB8 3JL has 53 known premises and 64 planning records — 31 approved of 61 decided (50.8%). 33 EPC records.

Premises (18 of 53 shown)

Planning

What happened?

64 planning applications across the postcode; 31 approved of 61 decided (50.8%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Conversion of roof to habitable use to include 2 x side dormers, 4 x side window dormers, hip to gable end front and rear extension, gable end windows, raised ridge height, erection of single storey side and rear extension, and front porch.
23 NICHOLLS AVENUE HILLINGDON · premises record
Planning Application
Refused
2025-10-27
Removal of existing structure and erection of an outbuilding (resubmission of Application ref: 54817/APP/2024/839)
1 NICHOLLS AVENUE HILLINGDON · premises record
Planning Application
Approved
2025-09-19
Erection of a single storey side extension, and conversion of roof space to habitable use to include 2 side dormers, 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)
23 NICHOLLS AVENUE HILLINGDON · premises record
Planning Application
Approved
2025-06-04
Erection of a single storey side and rear extension, a front porch, and conversion of roof space to habitable use to include 2no. side dormers, hip to gable end conversions to the front and rear with new gable end windows and raising of ridge height.
23 NICHOLLS AVENUE HILLINGDON · premises record
Planning Application
Withdrawn
2025-03-03
Non-material amendment to planning permission ref. 54817/APP/2022/2568, dated 27-01-2023 (Erection of a single building encompassing three self-contained, independent dwellings over two levels (two 1-bedroom ground floor units and a second floor two-bedroom unit) plus associated access, parking and
1 NICHOLLS AVENUE HILLINGDON · premises record
Planning Application
Refused
2024-11-25
Conversion of roof space to habitable use, including raising the roof ridge, 2 x side dormers and 2 x gable end windows, construction of a single-storey side extension, rear extension, and front porch.
23 NICHOLLS AVENUE HILLINGDON · premises record
Planning Application
Refused
2024-06-26
Removal of existing structure and erection of an outbuilding
LAND ADJACENT TO 1A NICHOLLS AVENUE HILLINGDON · premises record
Agent Mr Ian Cook · Officer Rhian Thomas
Planning Application
Refused
2024-04-02
Erection of single storey extension to rear (Application for a Certificate of Lawful Development for a Proposed Development)
1A NICHOLLS AVENUE HILLINGDON · premises record
Agent Nigel Quelch · Officer Becky Smith
Planning Application
Approved
2023-10-30
Erection of a first floor extension to rear (Application for a Certificate of Lawful Development for a Proposed Development)
1A NICHOLLS AVENUE HILLINGDON · premises record
Agent Nigel Quelch · Officer Rhian Thomas
Planning Application
Approved
2023-07-14
Erection of single storey rear, front and side extensions.
40 NICHOLLS AVENUE HILLINGDON · premises record
Agent PARRY VIRDEE · Officer Emilie Bateman
Planning Application
Approved
2022-12-03
Conversion of roof to habitable use to include 2 x side dormers, 4 x side window dormers, hip to gable end front and rear extension, gable end windows, raised ridge height, erection of single storey side and rear extension, and front porch.
23 NICHOLLS AVENUE HILLINGDON · premises record
Refused
2025-10-27
More
Planning Application
Removal of existing structure and erection of an outbuilding (resubmission of Application ref: 54817/APP/2024/839)
1 NICHOLLS AVENUE HILLINGDON · premises record
Approved
2025-09-19
More
Planning Application
Erection of a single storey side extension, and conversion of roof space to habitable use to include 2 side dormers, 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)
23 NICHOLLS AVENUE HILLINGDON · premises record
Approved
2025-06-04
More
Planning Application
Show all 10 rows
Erection of a single storey side and rear extension, a front porch, and conversion of roof space to habitable use to include 2no. side dormers, hip to gable end conversions to the front and rear with new gable end windows and raising of ridge height.
23 NICHOLLS AVENUE HILLINGDON · premises record
Withdrawn
2025-03-03
More
Planning Application
Non-material amendment to planning permission ref. 54817/APP/2022/2568, dated 27-01-2023 (Erection of a single building encompassing three self-contained, independent dwellings over two levels (two 1-bedroom ground floor units and a second floor two-bedroom unit) plus associated access, parking and
1 NICHOLLS AVENUE HILLINGDON · premises record
Refused
2024-11-25
More
Planning Application
Conversion of roof space to habitable use, including raising the roof ridge, 2 x side dormers and 2 x gable end windows, construction of a single-storey side extension, rear extension, and front porch.
23 NICHOLLS AVENUE HILLINGDON · premises record
Refused
2024-06-26
More
Planning Application
Removal of existing structure and erection of an outbuilding
LAND ADJACENT TO 1A NICHOLLS AVENUE HILLINGDON · premises record
Agent Mr Ian Cook · Officer Rhian Thomas
Refused
2024-04-02
More
Planning Application
Erection of single storey extension to rear (Application for a Certificate of Lawful Development for a Proposed Development)
1A NICHOLLS AVENUE HILLINGDON · premises record
Agent Nigel Quelch · Officer Becky Smith
Approved
2023-10-30
More
Planning Application
Erection of a first floor extension to rear (Application for a Certificate of Lawful Development for a Proposed Development)
1A NICHOLLS AVENUE HILLINGDON · premises record
Agent Nigel Quelch · Officer Rhian Thomas
Approved
2023-07-14
More
Planning Application
Erection of single storey rear, front and side extensions.
40 NICHOLLS AVENUE HILLINGDON · premises record
Agent PARRY VIRDEE · Officer Emilie Bateman
Approved
2022-12-03
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 53 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Houses of Multiple Occupation (HMOs) · reference HMO2796 · covers 53 of 53 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 53 of 53 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Houses of Multiple Occupation (HMOs) · reference HMO2796 · covers 53 of 53 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 53 of 53 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 30 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Agent on 3 applications
Agent on 2 applications
Agent on 2 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 3 applications
Agent on 2 applications
Agent on 2 applications
Show all 10 rows
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Development

What could it become?

Planning precedent64 applications and 64 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy33 EPC records; ratings C: 7, D: 26.
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.

4 intent signals recorded in this postcode
Appeal dismissed · 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.
UB8 3JL, Hillingdon: Planning and Property History | Planning Atlas