Postcode record · Hillingdon
UB8 3AN.
UB8 3AN has 51 known premises and 49 planning records — 33 approved of 43 decided (76.7%). 32 EPC records.
Postcode UB8 3AN · boundary not held, centred on the postcodeApprovedRefusedOther49 exact49 on the map — every match
At a glance · this postcodeHillingdon profile →
51
Premises
known addresses (UPRNs)
49
Applications
43 decided
76.7%
Approval rate
33 approved · 10 refused
32
EPC records
ratings C 4 · D 20 · E 6 · F 1 · G 1
49
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 3AN has 51 known premises and 49 planning records — 33 approved of 43 decided (76.7%). 32 EPC records.
Premises (18 of 51 shown)
Name
Details
UPRN 10026108329
UPRN 10096323018
UPRN 10096323019
UPRN 10096325744
UPRN 100021477642
UPRN 100021477643
UPRN 100021477644
UPRN 100021477645
UPRN 100021477646
UPRN 100021477647
UPRN 10026108329
UPRN 10096323018
UPRN 10096323019
Show all 10 rows
UPRN 10096325744
UPRN 100021477642
UPRN 100021477643
UPRN 100021477644
UPRN 100021477645
UPRN 100021477646
UPRN 100021477647
Planning
What happened?
49 planning applications across the postcode; 33 approved of 43 decided (76.7%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Subdivision of property into 2x 2bed flats, with associated amenity space, refuse and cycle parking. Erection of a part single storey, part two storey extension to the side and rear, conversion of roof space to habitable use to include a rear dormer and 2 roof lights.
13 CLAMMAS WAY UXBRIDGE · premises record
Agent Mr Hammad Khan · Officer Rhian Thomas
Planning Application
Other
2026-04-02
Erection of 2x two storey, 3 bed dwelling with associated parking, amenity space, cycle and refuse stores, following the demolition of existing bungalow
29 CLAMMAS WAY COWLEY UXBRIDGE UB8 3AN · premises record
Agent Mr Ravindra Patel · Officer Rhian Thomas
Planning Application
Approved
2025-11-25
Construction of a part single, part two-storey side extension, single-storey rear extension, and front porch
13 CLAMMAS WAY COWLEY · premises record
Agent Mr Hammad Khan · Officer Nicola Taplin
Planning Application
Approved
2024-05-16
Details pursuant to the discharge of Condition 3 (Landscaping) of planning permission ref. 30682/APP/2022/479, dated 24-02-2023 for the conversion of the existing single dwelling house into two flats, including erection of a single storey side extension and part two storey, part single storey rear e
14 CLAMMAS WAY COWLEY · premises record
Agent Joel Gray · Officer Hardev Gill
Planning Application
Approved
2023-03-23
Proposed demolition of existing detached bungalow and erection of a detached 6-bedroom dwelling with associated parking spaces and external works.
29 CLAMMAS WAY COWLEY UB8 3AN · premises record
Planning Application
Withdrawn
2023-01-20
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
14 CLAMMAS WAY COWLEY · premises record
Agent Joel Gray · Officer Analese Haynes
Planning Application
Approved
2022-10-31
Erection of single storey extension to side/rear.
38 CLAMMAS WAY COWLEY UB8 3AN · premises record
Agent Mr Hammad Khan · Officer Hardev Gill
Planning Application
Approved
2022-09-29
Demolition of rear single storey extension and erection of a single storey extension to the rear
11 CLAMMAS WAY COWLEY · premises record
Agent Mr David Donohoe · Officer Zara Raza
Planning Application
Approved
2022-08-08
Erection of a single storey rear extension
9 CLAMMAS WAY COWLEY · premises record
Agent Mr Santosh Maharaj · Officer Hardev Gill
Planning Application
Approved
2022-05-06
Conversion of the existing single dwelling house into two flats, including erection of a single storey side extension and part two storey, part single storey rear extension.
14 CLAMMAS WAY COWLEY · premises record
Agent Joel Gray · Officer Hardev Gill
Planning Application
Approved
2022-02-15
Subdivision of property into 2x 2bed flats, with associated amenity space, refuse and cycle parking. Erection of a part single storey, part two storey extension to the side and rear, conversion of roof space to habitable use to include a rear dormer and 2 roof lights.
13 CLAMMAS WAY UXBRIDGE · premises record
Agent Mr Hammad Khan · Officer Rhian Thomas
Other
2026-04-02
More
Planning Application
Erection of 2x two storey, 3 bed dwelling with associated parking, amenity space, cycle and refuse stores, following the demolition of existing bungalow
29 CLAMMAS WAY COWLEY UXBRIDGE UB8 3AN · premises record
Agent Mr Ravindra Patel · Officer Rhian Thomas
Approved
2025-11-25
More
Planning Application
Construction of a part single, part two-storey side extension, single-storey rear extension, and front porch
13 CLAMMAS WAY COWLEY · premises record
Agent Mr Hammad Khan · Officer Nicola Taplin
Approved
2024-05-16
More
Planning Application
Show all 10 rows
Details pursuant to the discharge of Condition 3 (Landscaping) of planning permission ref. 30682/APP/2022/479, dated 24-02-2023 for the conversion of the existing single dwelling house into two flats, including erection of a single storey side extension and part two storey, part single storey rear e
14 CLAMMAS WAY COWLEY · premises record
Agent Joel Gray · Officer Hardev Gill
Approved
2023-03-23
More
Planning Application
Proposed demolition of existing detached bungalow and erection of a detached 6-bedroom dwelling with associated parking spaces and external works.
29 CLAMMAS WAY COWLEY UB8 3AN · premises record
Withdrawn
2023-01-20
More
Planning Application
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
14 CLAMMAS WAY COWLEY · premises record
Agent Joel Gray · Officer Analese Haynes
Approved
2022-10-31
More
Planning Application
Erection of single storey extension to side/rear.
38 CLAMMAS WAY COWLEY UB8 3AN · premises record
Agent Mr Hammad Khan · Officer Hardev Gill
Approved
2022-09-29
More
Planning Application
Demolition of rear single storey extension and erection of a single storey extension to the rear
11 CLAMMAS WAY COWLEY · premises record
Agent Mr David Donohoe · Officer Zara Raza
Approved
2022-08-08
More
Planning Application
Erection of a single storey rear extension
9 CLAMMAS WAY COWLEY · premises record
Agent Mr Santosh Maharaj · Officer Hardev Gill
Approved
2022-05-06
More
Planning Application
Conversion of the existing single dwelling house into two flats, including erection of a single storey side extension and part two storey, part single storey rear extension.
14 CLAMMAS WAY COWLEY · premises record
Agent Joel Gray · Officer Hardev Gill
Approved
2022-02-15
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 51 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Houses of Multiple Occupation (HMOs) · reference HMO2796 · covers 51 of 51 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 51 of 51 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Houses of Multiple Occupation (HMOs) · reference HMO2796 · covers 51 of 51 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 51 of 51 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 5 applications
Agent on 4 applications
Agent on 1 application
Agent on 1 application
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
Agent on 5 applications
Agent on 4 applications
Agent on 1 application
Show all 10 rows
Agent on 1 application
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
Development
What could it become?
Planning precedent49 applications and 49 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy32 EPC records; ratings C: 4, D: 20, E: 6, F: 1, 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
The Developer PlanOwnership, 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?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.