Planning Atlas
AtlasPostcodeHA55SN
Dev
Session
Tier
Postcode record · Harrow

HA5 5SN.

HA5 5SN has 28 known premises and 50 planning records — 26 approved of 40 decided (65%). 19 EPC records.

Postcode unitHarrowOS boundary
HarrowHA5 5SN
Postcode HA5 5SN · boundary not held, centred on the postcodeApprovedRefusedOther50 on the map — every match
At a glance · this postcodeHarrow profile →
28
Premises
known addresses (UPRNs)
50
Applications
40 decided
65%
Approval rate
26 approved · 14 refused
56 days
Median decision time
average 69 days · 43 dated decisions
19
EPC records
ratings C 2 · D 9 · E 7 · F 1
50
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?

HA5 5SN has 28 known premises and 50 planning records — 26 approved of 40 decided (65%). 19 EPC records.

Premises (18 of 28 shown)

Planning

What happened?

50 planning applications across the postcode; 26 approved of 40 decided (65%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of Lawful Development (Proposed): Alterations to roof; rear dormer; three rooflights in front roof slope; window in end gable
51 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Certificate of Lawful Development Proposed
Pending Consideration
2026-04-28
Single storey rear extension; external alterations
51 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Householder
Pending Consideration
2026-04-28
Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roof slope; window in end gable
23 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Officer Luke Boadle
Certificate of Lawful Development Proposed
Approved
2025-12-05
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer; installation of two rooflights in front roofslope and new window in gable end
23 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Officer Luke Boadle
Certificate of Lawful Development Proposed
Refused
2025-10-06
Two storey side extension; single storey rear extension; rear dormer; external alterations (demolition of side and rear extensions)
63 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Householder
Refused
2020-06-16
Two storey side extension with habitable roofspace; single storey rear extension; rear dormer; rooflights in front and side roofslopes (demolition of side extension)
63 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Householder
Refused
2019-11-07
Single storey side infill extension to adjoin detached garage; single storey rear extension; alterations and extension to raise garage roof height; conversion of garage to bedroom with installation of windows to front and rear; external alterations
65 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Householder
Refused
2019-03-26
NEW APP - 3-storey side extension & amalgamation with existing approved loft & approved rear extension @ ground floor.
63 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Full Planning Application
Withdrawn
2019-02-06
Two storey side extension with habitable roofspace; single storey rear extension; rear dormer; installation of rooflights
63 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Full Planning Application
Refused
2018-12-17
Single storey rear extension; external alterations (demolition of side and rear extensions)
63 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Householder
Approved
2018-08-07
Certificate of Lawful Development (Proposed): Alterations to roof; rear dormer; three rooflights in front roof slope; window in end gable
51 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Pending Consideration
2026-04-28
More
Certificate of Lawful Development Proposed
Single storey rear extension; external alterations
51 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Pending Consideration
2026-04-28
More
Householder
Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roof slope; window in end gable
23 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Officer Luke Boadle
Approved
2025-12-05
More
Certificate of Lawful Development Proposed
Show all 10 rows
Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer; installation of two rooflights in front roofslope and new window in gable end
23 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Officer Luke Boadle
Refused
2025-10-06
More
Certificate of Lawful Development Proposed
Two storey side extension; single storey rear extension; rear dormer; external alterations (demolition of side and rear extensions)
63 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Refused
2020-06-16
More
Householder
Two storey side extension with habitable roofspace; single storey rear extension; rear dormer; rooflights in front and side roofslopes (demolition of side extension)
63 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Refused
2019-11-07
More
Householder
Single storey side infill extension to adjoin detached garage; single storey rear extension; alterations and extension to raise garage roof height; conversion of garage to bedroom with installation of windows to front and rear; external alterations
65 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Refused
2019-03-26
More
Householder
NEW APP - 3-storey side extension & amalgamation with existing approved loft & approved rear extension @ ground floor.
63 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Withdrawn
2019-02-06
More
Full Planning Application
Two storey side extension with habitable roofspace; single storey rear extension; rear dormer; installation of rooflights
63 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Refused
2018-12-17
More
Full Planning Application
Single storey rear extension; external alterations (demolition of side and rear extensions)
63 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN · premises record
Approved
2018-08-07
More
Householder

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 5 applications
Case officer on 5 applications
Case officer on 4 applications
Case officer on 4 applications
Case officer on 2 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 5 applications
Case officer on 5 applications
Case officer on 4 applications
Show all 10 rows
Case officer on 4 applications
Case officer on 2 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
Development

What could it become?

Planning precedent50 applications and 50 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy19 EPC records; ratings C: 2, D: 9, E: 7, 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 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.

4 intent signals recorded in this postcode
EPC F/G · Long hold
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
HA5 5SN, Harrow: planning and property history | Planning Atlas