Postcode record · Harrow
HA2 8SX.
HA2 8SX has 23 known premises and 25 planning records — 15 approved of 20 decided (75%). 13 EPC records.
Postcode HA2 8SX · boundary not held, centred on the postcodeApprovedRefusedOther25 exact25 on the map — every match
At a glance · this postcodeHarrow profile →
23
Premises
known addresses (UPRNs)
25
Applications
20 decided
75%
Approval rate
15 approved · 5 refused
13
EPC records
ratings C 3 · D 9 · G 1
25
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?
HA2 8SX has 23 known premises and 25 planning records — 15 approved of 20 decided (75%). 13 EPC records.
Premises (18 of 23 shown)
Name
Details
UPRN 10070267096
UPRN 10070267097
UPRN 100021256618
UPRN 100021256620
UPRN 100021256622
UPRN 100021256624
UPRN 100021256626
UPRN 100021256628
UPRN 100021256630
UPRN 100021256632
UPRN 10070267096
UPRN 10070267097
UPRN 100021256618
Show all 10 rows
UPRN 100021256620
UPRN 100021256622
UPRN 100021256624
UPRN 100021256626
UPRN 100021256628
UPRN 100021256630
UPRN 100021256632
Planning
What happened?
25 planning applications across the postcode; 15 approved of 20 decided (75%). Latest 25 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Conservatory to rear (Retrospective)
8 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Householder
Pending Decision
2026-04-07
First floor rear extension (Retrospective)
8 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Householder
Pending Consideration
2026-04-07
Single Storey Rear Extension: 5.0 metres deep, 3.70 metres maximum height, 3.0 metres high to the eaves
18 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Prior Notification - Larger Home Extension
Not required
2019-10-28
Certificate of Lawful Development (proposed): Single storey rear extension; new window in side
14 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Certificate of Lawful Development Existing
Approved
2015-04-30
FIRST FLOOR REAR EXTENSION
12 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Householder
Refused
2015-04-24
Single Storey Rear Extension: extending 6.0 metres beyond the original rear wall, 3.0 metres maximum height, 2.9 metres high to the eaves
14 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Prior Notification - Larger Home Extension
Approved
2015-03-10
WITHDRAWN (APPLICANT) - Construction of a lower Ground Basement with associated rear light well and Hand rails
12 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Householder
Withdrawn
2015-02-24
FIRST FLOOR REAR EXTENSION
12 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Householder
Refused
2015-02-24
Single Storey Rear Extension: 6.0 Metres deep, 3.0 Metres maximum height and 2.75 Metres high to the eaves
12 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Prior Notification - Larger Home Extension
Approved
2014-12-03
Single Storey Rear Extension: 4.5 Metres deep, 3 Metres maximum height and 3 Metres high to the eaves
26 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Prior Notification - Larger Home Extension
Refused
2014-04-23
Conservatory to rear (Retrospective)
8 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Pending Decision
2026-04-07
More
Householder
First floor rear extension (Retrospective)
8 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Pending Consideration
2026-04-07
More
Householder
Single Storey Rear Extension: 5.0 metres deep, 3.70 metres maximum height, 3.0 metres high to the eaves
18 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Not required
2019-10-28
More
Prior Notification - Larger Home Extension
Show all 10 rows
Certificate of Lawful Development (proposed): Single storey rear extension; new window in side
14 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Approved
2015-04-30
More
Certificate of Lawful Development Existing
FIRST FLOOR REAR EXTENSION
12 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Refused
2015-04-24
More
Householder
Single Storey Rear Extension: extending 6.0 metres beyond the original rear wall, 3.0 metres maximum height, 2.9 metres high to the eaves
14 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Approved
2015-03-10
More
Prior Notification - Larger Home Extension
WITHDRAWN (APPLICANT) - Construction of a lower Ground Basement with associated rear light well and Hand rails
12 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Withdrawn
2015-02-24
More
Householder
FIRST FLOOR REAR EXTENSION
12 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Refused
2015-02-24
More
Householder
Single Storey Rear Extension: 6.0 Metres deep, 3.0 Metres maximum height and 2.75 Metres high to the eaves
12 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Approved
2014-12-03
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: 4.5 Metres deep, 3 Metres maximum height and 3 Metres high to the eaves
26 Carlyon Avenue, South Harrow, Harrow, HA2 8SX · premises record
Refused
2014-04-23
More
Prior Notification - Larger Home Extension
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 25 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 4 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 4 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent25 applications and 25 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings C: 3, D: 9, 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
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.
7 intent signals recorded in this postcode
Charge registered · EPC F/G · Long hold · HMO licensed
Subscribe to see the signals →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.