Postcode record · Harrow
HA1 1XN.
HA1 1XN has 27 known premises and 31 planning records — 21 approved of 28 decided (75%). 15 EPC records.
Postcode HA1 1XN · boundary not held, centred on the postcodeApprovedRefusedOther31 on the map — every match
At a glance · this postcodeHarrow profile →
27
Premises
known addresses (UPRNs)
31
Applications
28 decided
75%
Approval rate
21 approved · 7 refused
56 days
Median decision time
average 59 days · 29 dated decisions
15
EPC records
ratings C 5 · D 6 · E 3 · F 1
31
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?
HA1 1XN has 27 known premises and 31 planning records — 21 approved of 28 decided (75%). 15 EPC records.
Premises (18 of 27 shown)
Name
Details
UPRN 10025325385
UPRN 100021262018
UPRN 100021262020
UPRN 100021262022
UPRN 100021262024
UPRN 100021262026
UPRN 100021262028
UPRN 100021262030
UPRN 100021262032
UPRN 100021262034
UPRN 10025325385
UPRN 100021262018
UPRN 100021262020
Show all 10 rows
UPRN 100021262022
UPRN 100021262024
UPRN 100021262026
UPRN 100021262028
UPRN 100021262030
UPRN 100021262032
UPRN 100021262034
Planning
What happened?
31 planning applications across the postcode; 21 approved of 28 decided (75%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormer with Juliette balcony, installation of three roof lights in front elevation
12 Earls Crescent, Harrow, HA1 1XN · premises record
Officer Deborah Ewenla
Certificate of Lawful Development Proposed
Approved
2024-07-22
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable (demolition of side and rear dormers)
18 Earls Crescent, Harrow, HA1 1XN · premises record
Officer Marcus Boddy
Certificate of Lawful Development Existing
Approved
2023-05-01
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Conversion of dwelling (Use class C3) into house of multiple occupancy (HMO) for upto 4 persons (Use class C4)
10 Earls Crescent, Harrow, HA1 1XN · premises record
Officer Marcus Boddy
Certificate of Lawful Development Existing
Approved
2023-04-18
Single storey side to rear extension; (demolition of attached garage)
36 Earls Crescent, Harrow, HA1 1XN · premises record
Officer JD Josephine Dutton
Householder
Approved
2022-06-22
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable
36 Earls Crescent, Harrow, HA1 1XN · premises record
Officer JD Josephine Dutton
Certificate of Lawful Development Existing
Approved
2022-06-13
Alterations to roof to form end gable and rear dormer; installation of two rooflights in front roofslope and new window in side
26 Earls Crescent, Harrow, HA1 1XN · premises record
Officer JD Josephine Dutton
Certificate of Lawful Development Existing
Approved
2019-10-16
Proposed two storey side extension and single storey part rear extension
44 Earls Crescent, Harrow, HA1 1XN · premises record
Officer FM Fidel Miller
Householder
Approved
2018-06-07
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer with Juliette balcony; installation of two rooflights in front roofslope; window in end gable; single storey rear extension; conversion of garage to habitable room (external alterations)
44 Earls Crescent, Harrow, HA1 1XN · premises record
Officer BSC Ben Schnell
Certificate of Lawful Development Existing
Approved
2018-04-16
CERTIFICATE OF LAWFUL PROPOSED DEVELOPMENT: Alterations to roof to form end gable to create habitable roofspace; rear dormer with Juliette balcony; two rooflights in front roofslope; window in end gable; single storey rear extension (demolition of rear canopy)
44 Earls Crescent, Harrow, HA1 1XN · premises record
Officer BSC Ben Schnell
Certificate of Lawful Development Existing
Withdrawn
2018-02-21
Single Storey Rear Extension: extending 4 metres beyond the original rear wall, 3 metres maximum height, 2.85 metres high to the eaves.
44 Earls Crescent, Harrow, HA1 1XN · premises record
Officer BSC Ben Schnell
Prior Notification - Larger Home Extension
Not required
2018-01-10
Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormer with Juliette balcony, installation of three roof lights in front elevation
12 Earls Crescent, Harrow, HA1 1XN · premises record
Officer Deborah Ewenla
Approved
2024-07-22
More
Certificate of Lawful Development Proposed
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable (demolition of side and rear dormers)
18 Earls Crescent, Harrow, HA1 1XN · premises record
Officer Marcus Boddy
Approved
2023-05-01
More
Certificate of Lawful Development Existing
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Conversion of dwelling (Use class C3) into house of multiple occupancy (HMO) for upto 4 persons (Use class C4)
10 Earls Crescent, Harrow, HA1 1XN · premises record
Officer Marcus Boddy
Approved
2023-04-18
More
Certificate of Lawful Development Existing
Show all 10 rows
Single storey side to rear extension; (demolition of attached garage)
36 Earls Crescent, Harrow, HA1 1XN · premises record
Officer JD Josephine Dutton
Approved
2022-06-22
More
Householder
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable
36 Earls Crescent, Harrow, HA1 1XN · premises record
Officer JD Josephine Dutton
Approved
2022-06-13
More
Certificate of Lawful Development Existing
Alterations to roof to form end gable and rear dormer; installation of two rooflights in front roofslope and new window in side
26 Earls Crescent, Harrow, HA1 1XN · premises record
Officer JD Josephine Dutton
Approved
2019-10-16
More
Certificate of Lawful Development Existing
Proposed two storey side extension and single storey part rear extension
44 Earls Crescent, Harrow, HA1 1XN · premises record
Officer FM Fidel Miller
Approved
2018-06-07
More
Householder
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer with Juliette balcony; installation of two rooflights in front roofslope; window in end gable; single storey rear extension; conversion of garage to habitable room (external alterations)
44 Earls Crescent, Harrow, HA1 1XN · premises record
Officer BSC Ben Schnell
Approved
2018-04-16
More
Certificate of Lawful Development Existing
CERTIFICATE OF LAWFUL PROPOSED DEVELOPMENT: Alterations to roof to form end gable to create habitable roofspace; rear dormer with Juliette balcony; two rooflights in front roofslope; window in end gable; single storey rear extension (demolition of rear canopy)
44 Earls Crescent, Harrow, HA1 1XN · premises record
Officer BSC Ben Schnell
Withdrawn
2018-02-21
More
Certificate of Lawful Development Existing
Single Storey Rear Extension: extending 4 metres beyond the original rear wall, 3 metres maximum height, 2.85 metres high to the eaves.
44 Earls Crescent, Harrow, HA1 1XN · premises record
Officer BSC Ben Schnell
Not required
2018-01-10
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 30 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 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Development
What could it become?
Planning precedent31 applications and 31 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings C: 5, D: 6, E: 3, F: 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.
6 intent signals recorded in this postcode
Charge registered · Repeat sale · EPC F/G · Long hold
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.