Postcode record · Harrow
HA3 5NB.
HA3 5NB has 32 known premises and 8 planning records — 5 approved of 7 decided (71.4%). 21 EPC records.
Postcode HA3 5NB · boundary not held, centred on the postcodeApprovedRefusedOther8 on the map — every match
At a glance · this postcodeHarrow profile →
32
Premises
known addresses (UPRNs)
8
Applications
7 decided
71.4%
Approval rate
5 approved · 2 refused
56 days
Median decision time
average 62 days · 8 dated decisions
21
EPC records
ratings C 2 · D 16 · E 3
8
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 5NB has 32 known premises and 8 planning records — 5 approved of 7 decided (71.4%). 21 EPC records.
Premises (18 of 32 shown)
Name
Details
UPRN 10025177553
UPRN 10070265860
UPRN 100021290371
UPRN 100021290372
UPRN 100021290373
UPRN 100021290374
UPRN 100021290375
UPRN 100021290376
UPRN 100021290377
UPRN 100021290378
UPRN 10025177553
UPRN 10070265860
UPRN 100021290371
Show all 10 rows
UPRN 100021290372
UPRN 100021290373
UPRN 100021290374
UPRN 100021290375
UPRN 100021290376
UPRN 100021290377
UPRN 100021290378
Planning
What happened?
8 planning applications across the postcode; 5 approved of 7 decided (71.4%). Latest 8 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Vehicle access; hardsurfacing of front garden
19 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer Fergus Freeney
Householder
Refused
2021-02-01
Single Storey Rear Extension extending 6 metres beyond the original rear wall, 3.6 metres maximum height, 3 metres high to the eaves
1 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer TM Tendai Mutasa
Prior Notification - Larger Home Extension
Not required
2019-01-21
Certificate of lawful development (proposed): Rear dormer with Juliette balcony; two rooflights in front roofslope; window in end gable
1 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer TM Tendai Mutasa
Certificate of Lawful Development Existing
Approved
2018-11-13
ELECTRONIC COMMUNICATIONS NOTIFICATION: INSTALLATION OF ONE EQUIPMENT CABINET (1.6M x 1.2M x 0.45M) (APPLICANT REF: 514012 190704) (PCP: 037)
21 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer HS Harman Sond
Prior Telecommunications Notice
Approved
2012-12-19
SINGLE STOREY REAR EXTENSION
16 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer MH Michael Hicks
Householder
Approved
2012-11-27
REPLACEMENT OF EXISTING TIMBER ENTRANCE SCREENS WITH NEW POWDER COATED ALUMINIUM SCREENS AND DOORS
2A Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer LM Lachlan McHaffie
Full Planning Application
Approved
2009-10-26
CONVERSION OF TERRACED DWELLINGHOUSE TO TWO FLATS; PROVISION OF TWO PARKING SPACES IN FRONT GARDEN
6 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer AJ Andrew Jarratt
Full Planning Application
Refused
2009-08-07
SINGLE STOREY SIDE TO REAR EXTENSION
3 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer AS Angela Stewart
Full Planning Application
Approved
2008-04-03
Vehicle access; hardsurfacing of front garden
19 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer Fergus Freeney
Refused
2021-02-01
More
Householder
Single Storey Rear Extension extending 6 metres beyond the original rear wall, 3.6 metres maximum height, 3 metres high to the eaves
1 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer TM Tendai Mutasa
Not required
2019-01-21
More
Prior Notification - Larger Home Extension
Certificate of lawful development (proposed): Rear dormer with Juliette balcony; two rooflights in front roofslope; window in end gable
1 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer TM Tendai Mutasa
Approved
2018-11-13
More
Certificate of Lawful Development Existing
Show all 8 rows
ELECTRONIC COMMUNICATIONS NOTIFICATION: INSTALLATION OF ONE EQUIPMENT CABINET (1.6M x 1.2M x 0.45M) (APPLICANT REF: 514012 190704) (PCP: 037)
21 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer HS Harman Sond
Approved
2012-12-19
More
Prior Telecommunications Notice
SINGLE STOREY REAR EXTENSION
16 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer MH Michael Hicks
Approved
2012-11-27
More
Householder
REPLACEMENT OF EXISTING TIMBER ENTRANCE SCREENS WITH NEW POWDER COATED ALUMINIUM SCREENS AND DOORS
2A Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer LM Lachlan McHaffie
Approved
2009-10-26
More
Full Planning Application
CONVERSION OF TERRACED DWELLINGHOUSE TO TWO FLATS; PROVISION OF TWO PARKING SPACES IN FRONT GARDEN
6 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer AJ Andrew Jarratt
Refused
2009-08-07
More
Full Planning Application
SINGLE STOREY SIDE TO REAR EXTENSION
3 Theobald Crescent, Harrow Weald, Harrow, HA3 5NB · premises record
Officer AS Angela Stewart
Approved
2008-04-03
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 8 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
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 2 applications
Case officer on 1 application
Case officer on 1 application
Show all 7 rows
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 precedent8 applications and 8 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy21 EPC records; ratings C: 2, D: 16, E: 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 ProOwnership, 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
Struggling director · Repeat sale · 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.