BIRCHDALE Mount Park Road, Harrow On The Hill, Harrow, HA1 3JP Data via plota.co.uk

Approved PL/1657/26 - Householder
Extensions & alterations
Council
Harrow 4.9/10
Date received
17 Jul 2026
Postcode
HA1 3JP
Type
Householder

Description

Two storey front extension incorporating front porch; single and two storey side extensions; roof alterations to garage; air source heat pump to side; patio with steps to garden and balustrade; replacement timber posts and gates; landscaping; external alterations… Data via plota.co.uk

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Last checked

Site constraints 4

Mount Park Estate Conservation Area Harrow on the conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Air quality management area: Harrow AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Inside the Harrow built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Other new applications on this street

25 Aug 2026Pending

Flat 3, BERMUDA HOUSE Mount Park Road, Harrow On The Hill, Harrow, HA1 3XH

Replacement windows like for like in front side and rear elevations; Replacement...

PL/2136/26
9 Jul 2026Withdrawn

40 Rusland Park Road, Harrow, HA1 1UT

Replacement of detached garage; boundary treatment including installation of 2m ...

PL/1834/26
18 Jun 2026Refused

TALL TREES Mount Park Road, Harrow On The Hill, Harrow, HA1 3JU

Two storey side to rear extension; rear dormer; external alteration (Demolition ...

PL/1502/26

Nearby new applications

25 Aug 2026Pending

Flat 3, BERMUDA HOUSE Mount Park Road, Harrow On The Hill, Harrow, HA1 3XH

Replacement windows like for like in front side and rear elevations; Replacement...

PL/2136/26
6 Aug 2026Approved

G5 Business Consulting Ltd, Unit 2, 2, THE BROADWAY Northolt Road, South Harrow, Harrow, HA2 0DL

Certificate of lawful development (Proposed): Use of the premises as an Exercise...

PL/1714/26
5 Aug 2026Pending

72 South Hill Avenue, South Harrow, Harrow, HA2 0NH

Certificate of lawful development (existing): Use of outbuilding as a garage, pr...

PL/2040/26
4 Aug 2026Pending

Flat 5, THE WOODLANDS London Road, Harrow, HA1 3JG

Details pursuant to Condition 4 (Fire Safety Statement); Condition 5 (Emergency ...

PL/2027/26
28 Jul 2026Pending

BRAKELOND South Hill Avenue, South Harrow, Harrow, HA1 3PB

Details pursuant to Condition 3 (soft landscaping) attached to planning permissi...

PL/1983/26
24 Jul 2026Approved

DEYNE COURT Harrow Park, Harrow, HA1 3JE

Listed Building Consent: Relocation of the boiler flue to front elevation to ser...

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Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Approved
Demolition and redevelopment to provide detached dwellinghouse with habitable roofspace…
PL/0240/25
2024
Demolition an redevelopment to provide two storey (4 bed) detached dwelling with habitabl…
PL/2013/24
Within ~100m

Nearby activity

2025 Approved
St Dominics 6th Form College, St Dominics Sixth Form College Mount Park Avenue, Harrow On The Hill, Harrow, HA1 3HX
Sudbury Hill Conservation Area T1 Horse chestnut: felled on 24/06 owing to hazardous cond…
PL/1903/25
2025 Approved
1, Rowney Mount Park Road, Harrow On The Hill, Harrow, HA1 3JP
Replacement windows
PL/0996/25
2024 Approved
The Billiard Room Mount Park Road, Harrow On The Hill, Harrow, HA1 3JS
Mount Park Estate Conservation Area Lime x 5 (front / side boundary): Reduce back to (jus…
PL/2576/24
2024 Approved
St Dominics 6th Form College, St Dominics Sixth Form College Mount Park Avenue, Harrow On The Hill, Harrow, HA1 3HX
Mount Park Avenue Conservation Area T3 Oak (behind chapel): Remove close to ground level…
PL/0386/24
2024 Refused
1, Rowney Mount Park Road, Harrow On The Hill, Harrow, HA1 3JP
Installation and replacement of windows and door in front, side and rear elevations (like…
PL/0335/24
2023 Approved
St Dominics 6th Form College, St Dominics Sixth Form College Mount Park Avenue, Harrow On The Hill, Harrow, HA1 3HX
T1 Robinia pseudoacacia (western boundary, near main building): Establish as a framework…
P/1989/23
2023 Approved
St Dominics Sixth Form College, Mount Park Avenue, Harrow, HA1 3HX
Three single storey teaching rooms with timber linked structure to south of hume building…
P/1146/22/6179
2023 Approved
Mount Park Manor Mount Park Road, Harrow On The Hill, Harrow, HA1 3JS
Installation of bi-fold doors to rear; construction of external steps to rear; external a…
P/1578/23
2023 Approved
The Oaks, Mount Park Road, Harrow, HA1 3JP
T1 oak t2 lime (neighbouring trees): reduce all overhanging branches by approximately 2-2…
P/0998/23
2023 Approved
Rowney Mount Park Road, Harrow On The Hill, Harrow,
T6 sycamore (front): reduce crown by 50% TG1 laurel (rear): reduce height by 50% TG6 mixe…
P/0478/23
2022 Refused
St Dominics 6th Form College, St Dominics Sixth Form College Mount Park Avenue, Harrow On The Hill, Harrow, HA1 3HX
Three single storey teaching rooms with timber linked structure to south of Hume Building…
P/1146/22
2021 Approved
St Dominics 6th Form College, St Dominics Sixth Form College Mount Park Avenue, Harrow On The Hill, Harrow, HA1 3HX
On boundary with Mount Park Road property (T1 - T4) - x4 Sycamore (Acer pseudoplatanus)…
P/4503/21
2021 Approved
St Dominics 6th Form College, St Dominics Sixth Form College Mount Park Avenue, Harrow On The Hill, Harrow, HA1 3HX
(T6) - Hornbeam (Carpinus betulus) On north side of Reception block - reduce entire crown…
P/4611/21
2021 Approved
St Dominics Sixth Form College, Mount Park Avenue, Harrow, HA1 3HX
T1 - ash (fraxinus excelsior) - overhanging neighbouring property - reduce largest limb (…
P/4095/21
2021 Approved
St Dominics 6th Form College, St Dominics Sixth Form College Mount Park Avenue, Harrow On The Hill, Harrow, HA1 3HX
(T1) - On southern boundary near football pitch on boundary with property off South Hill…
P/3121/21
2020 Approved
Ravensholt Mount Park Road, Harrow On The Hill, Harrow, HA1 3JS
Detached garage at rear; outbuilding at rear for use as storage
P/3713/20
2020 Approved
5, Rowney Mount Park Road, Harrow On The Hill, Harrow, HA1 3JP
Installation of ventillation extractor to side elevation
P/3454/20
2020 Approved
St Dominics 6th Form College, St Dominics Sixth Form College Mount Park Avenue, Harrow On The Hill, Harrow, HA1 3HX
English Oak (Quercus robur): Section dismantle - leave stump in situ. Tree is obstructing…
P/4399/20
2020 Approved
Parkview, 14 Mount Park Road, Harrow On The Hill, Harrow, HA1 3JS
G1 Corsican Pine (front): Remove lowest lateral branch over driveway
P/4331/20
2020 Approved
Wellington Lodge Mount Park Road, Harrow On The Hill, Harrow, HA1 3JP
Single storey rear infill extension; external alterations
P/2138/20
2016 Withdrawn
St Margarets Mount Park Road, Harrow On The Hill, Harrow, HA1 3JP
INVALID
P/0299/16
2016 Withdrawn
St Margarets Mount Park Road, Harrow On The Hill, Harrow, HA1 3JP
Invalid
P/0272/16
2016 Withdrawn
St Margarets Mount Park Road, Harrow On The Hill, Harrow, HA1 3JP
INVALID
P/0260/16
2016 Withdrawn
St Margarets Mount Park Road, Harrow On The Hill, Harrow, HA1 3JP
INVALID
P/0216/16
2016 Withdrawn
St Margarets Mount Park Road, Harrow On The Hill, Harrow, HA1 3JP
Invalid
P/0228/16
Harrow
Planning Authority Score
4.9/10
Below average
#153 of 296 councils
Relevant to this application:
Householder decisions

Harrow ranks #115 out of 296 councils for householder decision speed. Harrow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 83% approved vs 90% nationally.

One of the strictest councils
only 83% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Harrow decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #273 of 296
83%
Householder approved
Below avg (90%) #261 of 296
71%
Decided in 8 weeks
Above avg (63%) #115 of 296
33%
Extended time limit
Below avg (41%) #77 of 296
44%
Minor dwellings approved
133 decided (1-9 homes)
80%
Major dwellings approved
5 decided (10+ homes)
38%
Change of use approved
26 decided
1,330
Total decisions
298 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings