TALL TREES Mount Park Road, Harrow On The Hill, Harrow, HA1 3JU Data via plota.co.uk

Refused PL/1502/26 - Householder
DemolitionExtensions & alterations
Council
Harrow 4.9/10
Date received
18 Jun 2026
Postcode
HA1 3JU
Type
Householder

Description

Two storey side to rear extension; rear dormer; external alteration (Demolition of detached garage) Data via plota.co.uk

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Last checked

Site constraints 3

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 ↗
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
17 Jul 2026Approved

BIRCHDALE Mount Park Road, Harrow On The Hill, Harrow, HA1 3JP

Two storey front extension incorporating front porch; single and two storey side...

PL/1657/26
9 Jul 2026Withdrawn

40 Rusland Park Road, Harrow, HA1 1UT

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

PL/1834/26

Nearby new applications

9 Sept 2026Pending

Value Windows Ltd, UNIT 2 Brember Road, South Harrow, Harrow, HA2 8AX

Change of use from Class B1 to Mixed use MOT and Vehicle Repair (Use Class Sui G...

PL/2343/26
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
18 Aug 2026Pending

274-278 Dawson House Northolt Road, South Harrow, HA2 8EB

Additional two storeys (height 6.9m) of development containing 8 flats on an exi...

PL/2161/26/PRIOR
11 Aug 2026Pending

15 Eastcote Lane, Harrow, HA2 8BW

Single storey rear extension to ground floor flat; external alterations

PL/2093/26
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...

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Historical activity at this location

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

This property

Previous applications at this address

2019 Approved
Robinia (woodland area, Penketh Drive boundary): Reduce height by up to 1/3rd
P/3564/19
Within ~100m

Nearby activity

2023 Approved
Southacre Mount Park Road, Harrow On The Hill, Harrow, HA1 3JU
Horse chestnut (T1) - remove - base of tree is now touching the garage and preventing the…
PL/0336/23
2022 Approved
Charnwood Mount Park Road, Harrow On The Hill, Harrow, HA1 3JU
T1 Silver Birch: Crown Lift to provide 4m clearance from ground level. T2 Cherry: Reduce…
P/4103/22
2021 Approved
Valleyfield Mount Park Road, Harrow On The Hill, Harrow, HA1 3JU
Variation of condition 2 (approved plans) attached to planning permission P/1571/20 dated…
P/4068/21
2020 Approved
Southacre Mount Park Road, Harrow On The Hill, Harrow, HA1 3JU
A1 Horse Chestnut (front of garage): Clean to remove all dead, diseased and broken branch…
P/3217/20
2020 Approved
Valleyfield, Mount Park Road, Harrow, HA1 3JU
Alterations & extensions
P/3138/20/PREAPP
2020 Approved
Valleyfield Mount Park Road, Harrow On The Hill, Harrow, HA1 3JU
Single storey side/rear extension to garage and creation of first floor and conversion of…
P/1571/20
2020 Approved
2, Oakley Grange Mount Park Road, Harrow On The Hill, Harrow, HA1 3JU
Oak x 2, Ash x 2 (rear garden, right side): Crown Reduce by removing 3-4m from height and…
P/1939/20
2020 Approved
2, Oakley Grange Mount Park Road, Harrow On The Hill, Harrow, HA1 3JU
T1 Oak (rear garden, rear boundary): Remove broken and hanging branches. Prune overhang b…
P/1016/20
2019 Approved
Charnwood Mount Park Road, Harrow On The Hill, Harrow, HA1 3JU
T1 Magnolia (front): Fell (too close to house) T2 Silver Birch (front): Crown Reduce by r…
P/4024/19
2019 Approved
Valleyfield Mount Park Road, Harrow On The Hill, Harrow, HA1 3JU
TREE PRESERVATION ORDER: No.1 1995 A1 (G1) Lime, Ash, Horse Chestnut, Lombardy Poplar & H…
P/1563/19
2018 Approved
Tall Trees, Mount Park Road, Harrow, HA1 3JU
Details pursuant to conditions 3 (samples of cobble area) and 4 (gravel and paving) attac…
P/3423/18
2018 Approved
Tall Trees, Mount Park Road, Harrow, HA1 3JU
Replacement hardsurfacing to front garden
P/1611/18
2016 Approved
Tall Trees, Mount Park Road, Harrow, HA1 3JU
Oak (front/side): reduce height by 3m. Reshape as required
P/3973/16
2016 Approved
Tall Trees, Mount Park Road, Harrow, HA1 3JU
Front porch; installation of 1.8M high front entrance gates
P/0777/16
2016 Approved
Tall Trees, Mount Park Road, Harrow, HA1 3JU
T1 oak (front): reduce crown by up to 30% t2 t3 thuja (front): reduce height by 25% trim…
P/0650/16
2016 Approved
Charnwood, Mount Park Road, Harrow, HA1 3JU
Plum (front): prune back from drive to kerb edge multi-stemmed lime (front): raise canopy…
P/0315/16
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