19 Sequoia Park, Hatch End, Pinner, Harrow, HA5 4DG Data via plota.co.uk

Pending PL/1920/26 - Householder
Extensions & alterations
Council
Harrow 4.9/10
Date received
25 Jul 2026
Postcode
HA5 4DG
Type
Householder

Description

Single storey front extension; two storey side to rear extension including rear dormer windows at first floor level; hardstanding; vehicle crossover Data via plota.co.uk

Get alerts nearby Council site ↗

Last checked

Decision outlook

Plota predicts a decision around 18 Sept 2026, from recent householder applications across the UK.

Day 51 of the 56-day target. Councils usually decide householder applications by day 55.

Day 515 days to the 56-day target
71%decided within 8 weeks
90%approved
31,203decided in the last year

Plota live figures for householder applications decided across the UK in the last twelve months, from validation; too few recent householder applications in Harrow to go on. Harrow decision record →

Site constraints 3

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; the 1970s provisional farmland map had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.
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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Nearby new applications

27 Aug 2026Approved

39 Royston Park Road, Hatch End, Pinner, Harrow, HA5 4AB

TPO No. 61 known as Royston Park Road, Hatch End Tree Number - T1 Tree Type - La...

PL/2196/26
26 Aug 2026Pending

9 Cedar Drive, Hatch End, Pinner, Harrow, HA5 4DD

Front porch, Two storey side extension; Single storey side extension; Single sto...

PL/2237/26
21 Aug 2026Pending

17 Rowlands Avenue, Hatch End, Pinner, Harrow, HA5 4DF

Single storey front extension incorporating front porch single and first floor s...

PL/2124/26
19 Aug 2026Pending

52 Cedar Drive, Hatch End, Pinner, Harrow, HA5 4DE

Front porch; Single storey side extension; Single and two storey rear extension ...

PL/2193/26
12 Aug 2026Pending

6 Meadway Close, Hatch End, Pinner, Harrow, HA5 4AZ

Certificate of Lawful Development (Proposed): Alterations to roof; side dormer (...

PL/2131/26
17 Jul 2026Approved

55 Rowlands Avenue, Hatch End, Pinner, Harrow, HA5 4DF

Single storey rear extension; external alterations

PL/1885/26

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
4 Wealdwood Gardens, Hatch End, Pinner, Harrow, HA5 4DQ
TPO No. 10 Comprehensive A8 (T1) Mountain Ash (garden): Reduce crown by up to 20% to prun…
PL/3326/25
2025
3 Meadway Close, Hatch End, Pinner, Harrow, HA5 4AZ
Replacement entrance door in front elevation, Conversion of garage into habitable room, R…
PL/2120/25
2025
40 Sequoia Park, Hatch End, Pinner, Harrow, HA5 4DG
(none)
PL/1171/25
2023 Approved
1 Wealdwood Gardens, Hatch End, Pinner, Harrow, HA5 4DQ
Front porch; single and two storey rear extension; first floor side extension; conversion…
P/2488/23
2023 Approved
1 Wealdwood Gardens, Hatch End, Pinner, Harrow, HA5 4DQ
Front porch; single and two storey rear extension; first floor side extension; conversion…
P/0698/23
2022 Approved
15 Sequoia Park, Hatch End, Pinner, Harrow, HA5 4DG
Single storey rear in-fill extension; Extension of patio at rear
P/3787/22
2022 Approved
15 Sequoia Park, Hatch End, Pinner, Harrow, HA5 4DG
Single storey side to rear extension; first floor side extension; conversion of garage to…
P/3104/22
2022 Approved
6 Meadway Close, Hatch End, Pinner, Harrow, HA5 4AZ
Single storey front, side and rear extension; extension to side dormer; first floor rear…
P/1644/22
2022 Approved
34 Sequoia Park, Hatch End, Pinner, Harrow, HA5 4DG
A18 Horse Chestnut (front garden): Lift by 2m approx - lift low hanging branches over roa…
P/0191/22
2021 Approved
34 Sequoia Park, Hatch End, Pinner, Harrow, HA5 4DG
Single storey front extension incorporating porch; single and two storey side extension…
P/4008/21
2021 Approved
34 Sequoia Park, Hatch End, Pinner, Harrow, HA5 4DG
Alterations to roof; rear dormer; two rooflights in front roofslope; external alterations
P/4009/21
2021 Approved
3 Meadway Close, Hatch End, Pinner, Harrow, HA5 4AZ
T10 Silver Birch (T1 in MWA report): Remove (fell) to near ground level and treat stump t…
P/2490/21
2020 Refused
6 Meadway Close, Hatch End, Pinner, Harrow, HA5 4AZ
Single storey side extension; extension to side dormer; external alterations (demolition…
P/2884/20
2021 Withdrawn
3 Meadway Close, Hatch End, Pinner, Harrow, HA5 4AZ
Tree No T 1D, Silver Birch will have to be cut as the roots are causing subsidence to the…
P/0959/21
2020 Approved
3 Wealdwood Gardens, Hatch End, Pinner, Harrow, HA5 4DQ
A18 Sweet Chestnut (rear garden): Tree in decline. Fell A18 Western Red Cedar (rear garde…
P/3873/20
2020 Approved
3 Wealdwood Gardens, Hatch End, Pinner, Harrow, HA5 4DQ
Single And Two Storey Rear Extension; Single Storey Rear Extension; Conversion Of Garage…
P/1477/20
2020 Approved
13 Sequoia Park, Hatch End, Pinner, Harrow, HA5 4DG
A18 Wellingtonia (11 / 15 Sequoia Park): Digging a trench (4m depth) severing roots in or…
P/1385/20
2020 Approved
3 Wealdwood Gardens, Pinner, HA5 4DQ
Two storey rear extension; conversion of garage to gym with installation of window to fro…
P/0308/20
2019 Refused
15 Sequoia Park, Hatch End, Pinner, Harrow, HA5 4DG
A18 Wellingtonia (land adjacent to 15 Sequoia Park): Fell. REason: tree is alleged to be…
P/4259/19
2019 Refused
11 Sequoia Park, Hatch End, Pinner, Harrow, HA5 4DG
A18 Wellingtonia (land adjacent to 11 Sequoia Park): Fell. Reason: tree alleged to be cau…
P/4258/19
2018 Approved
40 Sequoia Park, Pinner, HA5 4DG
Use of room on ground floor for beauty treatments
P/2232/18
2017 Approved
6 Wealdwood Gardens, Pinner, HA5 4DQ
Single storey side infill extension; conversion of detached garage to room with installat…
P/5520/17
2017 Approved
19 Sequoia Park, Pinner, HA5 4DG
Single storey front extension; conversion of garage to room
P/3891/17
2017 Approved
1 Meadway Close, Pinner, HA5 4AZ
T7 box elder (front): previously poorly pruned (lopped back on building side). Reduce cro…
P/1522/17
2016 Approved
6 Wealdwood Gardens, Pinner, HA5 4DQ
Single storey side to rear extension external alterations (demolition of garage)
P/2503/16
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