33 Tregenna Avenue, South Harrow, Harrow, HA2 8QH Data via plota.co.uk

Pending PL/2000/26 - Householder
Extensions & alterations
Council
Harrow 4.9/10
Date received
29 Jul 2026
Postcode
HA2 8QH
Type
Householder

Description

Single storey rear extension; front porch; external alterations Data via plota.co.uk

Get alerts nearby Council site ↗

Last checked

Decision outlook

Plota predicts a decision around 22 Sept 2026, from recent householder applications across the UK.

Day 47 of the 56-day target. Councils usually decide householder applications by day 55.

Day 479 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 2

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

30 May 2026Decided

78 Tregenna Avenue, South Harrow, Harrow, HA2 8QS

Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2...

PL/1330/26

Nearby new applications

12 Sept 2026Pending

Harrow Independent College, 308 - 310 Eastcote Lane, Harrow, HA2 9AH

Change of use and conversion of the rear parts of 308 and 310 Eastcote Lane from...

PL/2388/26
11 Sept 2026Pending

24 Leamington Crescent, South Harrow, Harrow, HA2 9HQ

Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3...

PL/2381/26
10 Sept 2026Pending

99 Kings Road, South Harrow, Harrow, HA2 9LD

Single storey rear extension: 4.00 metres deep, 3.295 metres maximum height and ...

PL/2360/26
9 Sept 2026Pending

51 Kings Road, South Harrow, Harrow, HA2 9JA

First-floor side and rear extension, including extension of the existing hipped ...

PL/2337/26
14 Aug 2026Refused

102 Carlyon Avenue, South Harrow, Harrow, HA2 8SY

Change of use from HMO C4 to Sui Generis (Large HMO)

PL/1593/26
12 Aug 2026Pending

49 Warwick Avenue, South Harrow, Harrow, HA2 8RE

Front porch and canopy; Single storey side to rear extension; Installation of Ai...

PL/2085/26

Historical activity at this location

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

Within ~100m

Nearby activity

2024 Approved
4 Tregenna Avenue, South Harrow, Harrow, HA2 8QT
Single storey rear extension; external alterations
PL/1210/24
2023 Refused
4 Tregenna Avenue, South Harrow, Harrow, HA2 8QT
Single storey side extension incorporating garage; external alterations
PL/0158/23
2021 Approved
1 Tregenna Avenue, South Harrow, Harrow, HA2 8QH
Single and two storey side extension; single storey rear extension; creation of 1 bed fla…
P/3269/21
2021 Approved
3 Tregenna Avenue, South Harrow, Harrow, HA2 8QH
Conversion of garage to habitable room; single storey front; extension; alterations to ro…
P/1525/21
2020 Refused
4 Tregenna Avenue, South Harrow, Harrow, HA2 8QT
Single storey side extension for use as garage/utility; conversion of utility into disabl…
P/3953/20
2020 Approved
4 Tregenna Avenue, Harrow, HA2 8QT
Proposed single storey side extension with conversion of existing utility into disabled b…
P/4102/19/5715
2019 Refused
4 Tregenna Avenue, South Harrow, Harrow, HA2 8QT
Proposed single storey side extension with conversion of existing utility into disabled b…
P/4102/19
2019 Approved
4 Tregenna Avenue, South Harrow, Harrow, HA2 8QT
Single storey rear extension; conversion of utility room to bedroom with installation of…
P/2511/19
2019 Refused
43 Tregenna Avenue, South Harrow, Harrow, HA2 8QH
Single Storey Rear Extension: 6 metres deep, 3.5 metres maximum height, 2.9 metres high t…
P/2493/19/PRIOR
2019 Withdrawn
43 Tregenna Avenue, South Harrow, Harrow, HA2 8QH
Single Storey Rear Extension: 6 metres deep, 3.5 metres maximum height, 2.9 metres high t…
P/2475/19/PRIOR
2019 Approved
43 Tregenna Avenue, South Harrow, Harrow, HA2 8QH
Single Storey Rear Extension: 4 metres deep, 3.5 metres maximum height, 2.9 metres high t…
P/1096/19/PRIOR
2019 Approved
32 Tregenna Avenue, South Harrow, Harrow, HA2 8QT
Single storey rear extension with steps and handrails at rear
P/0304/19
2019 Approved
43 Tregenna Avenue, Harrow, HA2 8QH
Single storey rear extension: 4 metres deep 3.5 Metres maximum height 2.9 Metres high to…
P/0176/19/PRIOR
2018 Approved
32 Tregenna Avenue, Harrow, HA2 8QT
Single storey rear extension extending 6 metres beyond the original rear wall 3.9 Metres…
P/4975/18/PRIOR
2018 Approved
32 Tregenna Avenue, Harrow, HA2 8QT
Single storey rear extension extending 6 metres beyond the original rear wall 3.9 Metres…
P/4325/18/PRIOR
2018 Refused
43 Tregenna Avenue, South Harrow, Harrow, HA2 8QH
Single Storey Rear Extension: 6 metres deep, 3.5 metres maximum height, 2.9 metres high t…
P/3991/18/PRIOR
2018 Approved
43 Tregenna Avenue, Harrow, HA2 8QH
Single storey rear extension: extending 6 beyond the original rear wall 3.5 Metres maximu…
P/3489/18/PRIOR
2018 Approved
43 Tregenna Avenue, Harrow, HA2 8QH
Single storey rear extension: extending 6 beyond the original rear wall 3.5 Metres maximu…
P/3488/18/PRIOR
2018 Approved
43 Tregenna Avenue, Harrow, HA2 8QH
Single storey rear extension: extending 6 beyond the original rear wall 3.5 Metres maximu…
P/3487/18/PRIOR
2018 Approved
43 Tregenna Avenue, Harrow, HA2 8QH
Single storey rear extension: extending 6 beyond the original rear wall 3.5 Metres maximu…
P/3486/18/PRIOR
2017 Approved
43 Tregenna Avenue, Harrow, HA2 8QH
Single storey rear extension: extending 5.15 Beyond the original rear wall 3.5 Metres max…
P/2828/17/PRIOR
2017 Approved
43 Tregenna Avenue, Harrow, HA2 8QH
Single storey rear extension: extending 6 metres beyond the original rear wall 3.5 Metres…
P/2044/17/PRIOR
2017 Approved
1 Tregenna Avenue, Harrow, HA2 8QH
Single storey front single and two storey side extension to provide an attached dwellingh…
P/0582/17
2016 Approved
1 Tregenna Avenue, Harrow, HA2 8QH
First floor and two storey side extension
P/5084/16
2016 Approved
9 Tregenna Avenue, Harrow, HA2 8QH
Single and two storey side to rear extension and single storey rear extension; extension…
P/3751/16
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