Postcode record · Harrow
HA5 4QH.
HA5 4QH has 22 known premises and 28 planning records — 14 approved of 19 decided (73.7%). 16 EPC records.
Postcode HA5 4QH · boundary not held, centred on the postcodeApprovedRefusedOther28 on the map — every match
At a glance · this postcodeHarrow profile →
22
Premises
known addresses (UPRNs)
28
Applications
19 decided
73.7%
Approval rate
14 approved · 5 refused
56 days
Median decision time
average 64 days · 26 dated decisions
16
EPC records
ratings C 2 · D 4 · E 7 · F 2 · G 1
28
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 4QH has 22 known premises and 28 planning records — 14 approved of 19 decided (73.7%). 16 EPC records.
Premises (18 of 22 shown)
Name
Details
UPRN 100021300287
UPRN 100021300289
UPRN 100021300291
UPRN 100021300293
UPRN 100021300296
UPRN 100021300298
UPRN 100021300300
UPRN 100021300302
UPRN 100021300304
UPRN 100021300306
UPRN 100021300287
UPRN 100021300289
UPRN 100021300291
Show all 10 rows
UPRN 100021300293
UPRN 100021300296
UPRN 100021300298
UPRN 100021300300
UPRN 100021300302
UPRN 100021300304
UPRN 100021300306
Planning
What happened?
28 planning applications across the postcode; 14 approved of 19 decided (73.7%). Latest 28 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey side to rear extension; alterations and extension to roof to form end gables to both the sides with the crown roof; two front dormers; rear dormer; windows in end gable; front porch; external alterations (demolition of side and rear extension, shed)
15 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer Catriona Cooke
Householder
Approved
2025-03-14
Front porch, Relocation of entrance door to front elevation Single and two storey side extension, Alterations and extension to roof to raise height and create first floor level, End gables, Front and rear dormers, Roof lights in front roof slope, Installation of bay window in ground floor front elev
27 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer Kanchan Sharma
Householder
Approved
2025-02-18
Single storey side extension to create undercroft; single storey side to rear extension; alterations and extension to roof to form end gables; front and rear dormers; windows in end gables; two rooflights in roof crown; external alterations
33 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer Akshay Sisodia
Householder
Approved
2022-07-26
Single storey side extension; single storey rear extension; front porch; alterations and extension to roof to form end gables; front and rear dormers; window in end gable; rooflight in roof crown; external alterations
33 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer Akshay Sisodia
Householder
Refused
2022-03-15
Alterations and extension to roof to create first floor level; front and rear dormers; rooflights in both side roofslopes; single storey side to rear extension; external alterations (demolition of attached garage)
27 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer ABS Abrar Sharif
Householder
Other
2022-01-17
Single storey side extension
35 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer MOR Morgan Roberts
Householder
Withdrawn
2020-10-26
Single storey rear extension; three rooflights in front roofslope; external alterations (demolition of conservatory and utility room extension)
13 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer BLYTH Blythe Smith
Householder
Approved
2019-11-28
Partial single storey and two storey side and rear extensions including hip to gable conversion and creation of two front and two rear dormers; front porch extension
37 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer AE Aadil Essa
Householder
Approved
2019-08-12
Single storey rear extension
25 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer SHL Shamal London
Householder
Approved
2019-02-15
Certificate of lawful development (proposed): Single storey side extension; single storey rear extension; single storey other side extension
31 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer TM Tendai Mutasa
Certificate of Lawful Development Existing
Approved
2018-04-10
Single storey side to rear extension; alterations and extension to roof to form end gables to both the sides with the crown roof; two front dormers; rear dormer; windows in end gable; front porch; external alterations (demolition of side and rear extension, shed)
15 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer Catriona Cooke
Approved
2025-03-14
More
Householder
Front porch, Relocation of entrance door to front elevation Single and two storey side extension, Alterations and extension to roof to raise height and create first floor level, End gables, Front and rear dormers, Roof lights in front roof slope, Installation of bay window in ground floor front elev
27 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer Kanchan Sharma
Approved
2025-02-18
More
Householder
Single storey side extension to create undercroft; single storey side to rear extension; alterations and extension to roof to form end gables; front and rear dormers; windows in end gables; two rooflights in roof crown; external alterations
33 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer Akshay Sisodia
Approved
2022-07-26
More
Householder
Show all 10 rows
Single storey side extension; single storey rear extension; front porch; alterations and extension to roof to form end gables; front and rear dormers; window in end gable; rooflight in roof crown; external alterations
33 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer Akshay Sisodia
Refused
2022-03-15
More
Householder
Alterations and extension to roof to create first floor level; front and rear dormers; rooflights in both side roofslopes; single storey side to rear extension; external alterations (demolition of attached garage)
27 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer ABS Abrar Sharif
Other
2022-01-17
More
Householder
Single storey side extension
35 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer MOR Morgan Roberts
Withdrawn
2020-10-26
More
Householder
Single storey rear extension; three rooflights in front roofslope; external alterations (demolition of conservatory and utility room extension)
13 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer BLYTH Blythe Smith
Approved
2019-11-28
More
Householder
Partial single storey and two storey side and rear extensions including hip to gable conversion and creation of two front and two rear dormers; front porch extension
37 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer AE Aadil Essa
Approved
2019-08-12
More
Householder
Single storey rear extension
25 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer SHL Shamal London
Approved
2019-02-15
More
Householder
Certificate of lawful development (proposed): Single storey side extension; single storey rear extension; single storey other side extension
31 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH · premises record
Officer TM Tendai Mutasa
Approved
2018-04-10
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).
People
Who is involved?
Named on the latest 28 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 2 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 1 application
Case officer on 3 applications
Case officer on 3 applications
Case officer on 2 applications
Show all 10 rows
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 1 application
Development
What could it become?
Planning precedent28 applications and 28 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy16 EPC records; ratings C: 2, D: 4, E: 7, F: 2, 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.
6 intent signals recorded in this postcode
EPC F/G · Price decline · Repeat sale · 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.