Planning Atlas
AtlasPostcodeHA37TD
Dev
Session
Tier
Postcode record · Harrow

HA3 7TD.

HA3 7TD has 42 known premises and 18 planning records — 12 approved of 15 decided (80%). 28 EPC records.

Postcode unitHarrowOS boundary
HarrowHA3 7TD
Postcode HA3 7TD · boundary not held, centred on the postcodeApprovedRefusedOther18 on the map — every match
At a glance · this postcodeHarrow profile →
42
Premises
known addresses (UPRNs)
18
Applications
15 decided
80%
Approval rate
12 approved · 3 refused
56 days
Median decision time
average 53 days · 17 dated decisions
28
EPC records
ratings C 10 · D 16 · E 2
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?

HA3 7TD has 42 known premises and 18 planning records — 12 approved of 15 decided (80%). 28 EPC records.

Premises (18 of 42 shown)

Planning

What happened?

18 planning applications across the postcode; 12 approved of 15 decided (80%). Latest 18 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension (demolition of conservatory)
219 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Householder
Approved
2018-03-30
Single storey rear extension (demolition of conservatory)
219 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Householder
Refused
2017-06-12
Single storey rear extension
221 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Householder
Approved
2017-05-23
Rear dormer to create habitable roofspace and two rooflights in front roofslope to enlarge first floor two bed flat to a three bed flat.
233A Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Householder
Approved
2016-08-17
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.3 metres maximum height, 2.7 metres high to the eaves
221 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Prior Notification - Larger Home Extension
Withdrawn
2016-05-24
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): SINGLE STOREY REAR EXTENSION
187 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Certificate of Lawful Development Existing
Approved
2016-03-21
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.8 metres maximum height, 3 metres high to the eaves
187 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Prior Notification - Larger Home Extension
Approved
2016-01-08
Conversion Of Dwelling To Two Flats; Single Storey Rear Extension
217 Byron Road, Wealdstone, Harrow · premises record
Full Planning Application
Approved
2015-05-11
CONVERSION OF SINGLE DWELLING TO TWO FLATS WITH PARKING AND NEW VEHICULAR ACCESS; SINGLE STOREY REAR EXTENSION
217 Byron Road, Wealdstone, Harrow · premises record
Full Planning Application
Refused
2015-01-26
CONVERSION OF DWELLINGHOUSE INTO TWO SELF-CONTAINED FLATS
225 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Full Planning Application
Refused
2012-08-21
Single storey rear extension (demolition of conservatory)
219 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Approved
2018-03-30
More
Householder
Single storey rear extension (demolition of conservatory)
219 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Refused
2017-06-12
More
Householder
Single storey rear extension
221 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Approved
2017-05-23
More
Householder
Show all 10 rows
Rear dormer to create habitable roofspace and two rooflights in front roofslope to enlarge first floor two bed flat to a three bed flat.
233A Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Approved
2016-08-17
More
Householder
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.3 metres maximum height, 2.7 metres high to the eaves
221 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Withdrawn
2016-05-24
More
Prior Notification - Larger Home Extension
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): SINGLE STOREY REAR EXTENSION
187 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Approved
2016-03-21
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.8 metres maximum height, 3 metres high to the eaves
187 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Approved
2016-01-08
More
Prior Notification - Larger Home Extension
Conversion Of Dwelling To Two Flats; Single Storey Rear Extension
217 Byron Road, Wealdstone, Harrow · premises record
Approved
2015-05-11
More
Full Planning Application
CONVERSION OF SINGLE DWELLING TO TWO FLATS WITH PARKING AND NEW VEHICULAR ACCESS; SINGLE STOREY REAR EXTENSION
217 Byron Road, Wealdstone, Harrow · premises record
Refused
2015-01-26
More
Full Planning Application
CONVERSION OF DWELLINGHOUSE INTO TWO SELF-CONTAINED FLATS
225 Byron Road, Wealdstone, Harrow, HA3 7TD · premises record
Refused
2012-08-21
More
Full Planning Application

Building control

Building-control records are not yet collected for Harrow — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).

Place

What affects it?

No mapped designation intersects a premises point in this postcode in the current build. Open any premises above for its own designation record.

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 18 applications in this postcode — the party who applied, not the owner or occupier.

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

What could it become?

Planning precedent18 applications and 18 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy28 EPC records; ratings C: 10, D: 16, E: 2.
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.

10 intent signals recorded in this postcode
Charge registered · Portfolio seller · Price decline · Long hold · HMO licensed
Subscribe to see the signals →
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
HA3 7TD, Harrow: planning and property history | Planning Atlas