Planning Atlas
AtlasPostcodeHA11SG
Dev
Session
Tier
Postcode record · Harrow

HA1 1SG.

HA1 1SG has 10 known premises and 11 planning records — 8 approved of 11 decided (72.7%). 7 EPC records.

Postcode unitHarrowOS boundary
HarrowHA1 1SG
Postcode HA1 1SG · boundary not held, centred on the postcodeApprovedRefusedOther11 on the map — every match
At a glance · this postcodeHarrow profile →
10
Premises
known addresses (UPRNs)
11
Applications
11 decided
72.7%
Approval rate
8 approved · 3 refused
7
EPC records
ratings C 1 · D 6
11
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 1SG has 10 known premises and 11 planning records — 8 approved of 11 decided (72.7%). 7 EPC records.

Premises

Planning

What happened?

11 planning applications across the postcode; 8 approved of 11 decided (72.7%). Latest 11 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Outbuilding at rear for use as office / storage
10 Colton Road, Harrow, HA1 1SG · premises record
Certificate of Lawful Development Existing
Approved
2022-03-28
Single storey rear extension (demolition of conservatory)
10 Colton Road, Harrow, HA1 1SG · premises record
Householder
Approved
2022-03-28
Conversion of two flats into five flats (5 X 1 bed); single and two storey side to rear extension; rear dormer; outbuilding; external alterations; bin and cycle stores
2 Colton Road, Harrow · premises record
Full Planning Application
Refused
2021-05-27
Single storey side to rear extension (demolition of rear extension)
2 Colton Road, Harrow · premises record
Full Planning Application
Approved
2020-05-18
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 4 metres maximum height, 3 metres high to the eaves
8 Colton Road, Harrow, HA1 1SG · premises record
Prior Notification - Larger Home Extension
Refused
2016-05-18
Single storey front and side extensions, two storey side extension, first floor rear extension; external alterations
10 Colton Road, Harrow, HA1 1SG · premises record
Applicant Mr Hashem Al Adnani · Agent PU Architect · Officer CB Caroline Brown
Householder
Approved
2015-04-13
CONVERSION OF GROUND FLOOR FLAT TO TWO FLATS; BIN STORE AT FRONT AND SINGLE STOREY REAR EXTENSION
4 Colton Road, Harrow, HA1 1SG · premises record
Full Planning Application
Refused
2007-08-16
SINGLE STOREY REAR EXTENSION TO GROUND FLOOR FLAT
Upper Flat, 2 Colton Road, Harrow, HA1 1SG · premises record
Applicant Ms S Cornwall · Officer GL Gerard Livett
Full Planning Application
Approved
2006-07-28
SINGLE STOREY OUTBUILDING AT REAR OF PROPERTY FOR STORAGE USE
Lower Flat, 6 Colton Road, Harrow, HA1 1SG · premises record
Full Planning Application
Approved
2006-05-26
CERTIFICATE OF LAWFUL EXISTING USE: USE OF FIRST FLOOR AS A SELF CONTAINED FLAT
4A Colton Road, Harrow, HA1 1SG · premises record
Certificate of Lawful Development Existing
Approved
2002-12-02
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Outbuilding at rear for use as office / storage
10 Colton Road, Harrow, HA1 1SG · premises record
Approved
2022-03-28
More
Certificate of Lawful Development Existing
Single storey rear extension (demolition of conservatory)
10 Colton Road, Harrow, HA1 1SG · premises record
Approved
2022-03-28
More
Householder
Conversion of two flats into five flats (5 X 1 bed); single and two storey side to rear extension; rear dormer; outbuilding; external alterations; bin and cycle stores
2 Colton Road, Harrow · premises record
Refused
2021-05-27
More
Full Planning Application
Show all 10 rows
Single storey side to rear extension (demolition of rear extension)
2 Colton Road, Harrow · premises record
Approved
2020-05-18
More
Full Planning Application
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 4 metres maximum height, 3 metres high to the eaves
8 Colton Road, Harrow, HA1 1SG · premises record
Refused
2016-05-18
More
Prior Notification - Larger Home Extension
Single storey front and side extensions, two storey side extension, first floor rear extension; external alterations
10 Colton Road, Harrow, HA1 1SG · premises record
Applicant Mr Hashem Al Adnani · Agent PU Architect · Officer CB Caroline Brown
Approved
2015-04-13
More
Householder
CONVERSION OF GROUND FLOOR FLAT TO TWO FLATS; BIN STORE AT FRONT AND SINGLE STOREY REAR EXTENSION
4 Colton Road, Harrow, HA1 1SG · premises record
Refused
2007-08-16
More
Full Planning Application
SINGLE STOREY REAR EXTENSION TO GROUND FLOOR FLAT
Upper Flat, 2 Colton Road, Harrow, HA1 1SG · premises record
Applicant Ms S Cornwall · Officer GL Gerard Livett
Approved
2006-07-28
More
Full Planning Application
SINGLE STOREY OUTBUILDING AT REAR OF PROPERTY FOR STORAGE USE
Lower Flat, 6 Colton Road, Harrow, HA1 1SG · premises record
Approved
2006-05-26
More
Full Planning Application
CERTIFICATE OF LAWFUL EXISTING USE: USE OF FIRST FLOOR AS A SELF CONTAINED FLAT
4A Colton Road, Harrow, HA1 1SG · premises record
Approved
2002-12-02
More
Certificate of Lawful Development Existing

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).

Blawith Road0 mColton Road0 mTorver Road0 mBethecar Road0 mNibthwaite Road32 mUrban Footpath 100 From 63 Nibthwaite Road To 15 Bethecar Road Opposite Rusland Park Road52 mRusland Park Road60 m
People

Who is involved?

Named on the latest 11 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
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 1 application
Applicant on 1 application
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
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 precedent11 applications and 11 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy7 EPC records; ratings C: 1, D: 6.
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.

2 intent signals recorded in this postcode
Long hold · Ageing director
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.
HA1 1SG, Harrow: planning and property history | Planning Atlas