17 Grove Hill Road, Harrow, HA1 3AA Data via plota.co.uk

Pending PL/2235/26 - Householder
Extensions & alterations
Council
Harrow 4.9/10
Date received
27 Aug 2026
Postcode
HA1 3AA
Type
Householder

Description

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

Get alerts nearby Council site ↗

Last checked

Decision outlook

Plota predicts a decision around 21 Oct 2026, from recent householder applications across the UK.

Day 18 of the 56-day target. Councils usually decide householder applications by day 55.

Day 1838 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 4

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 ↗
Town centre: Harrow
A designated centre in the London Plan.
Shops, services and active frontages are protected in centres, and main town centre uses are steered here first.
Opportunity area
Where the London Plan expects significant growth.
Boundaries are indicative and the borough holds the detailed plan.
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.

Work with planning data?

Every application in Harrow - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Other new applications on this street

18 Apr 2026Approved

Harrow School Speech Room, Grove Hill, Harrow, HA1 3HP

Listed Building Consent: replacement of existing boilers in the basement and ass...

PL/0823/26

Nearby new applications

11 Sept 2026Pending

Specsavers, 289 Station Road, Harrow, HA1 2TA

Display of one internally illuminated projecting sign and one internally illumin...

PL/2125/26
27 Aug 2026Pending

50 Lowlands Road, Harrow, HA1 3AN

Single storey side to rear extension; external alterations

PL/2273/26
27 Aug 2026Pending

SIGNAL HOUSE, 16 Lyon Road, Harrow

Details pursuant to Conditions 3 (Cycle Storage), 4 (Car parking space) and 5 (C...

PL/2268/26
26 Aug 2026Pending

Old Pye House, West Street, Harrow, HA1 3EH

Details pursuant to Condition 4 part a (A full photographic report of the Listed...

PL/2249/26
26 Aug 2026Pending

62, 62 Roxborough Park, Harrow, HA1 3AY

Details pursuant to Condition 5 (Fire Safety Statement) attached to planning per...

PL/2219/26
26 Aug 2026Pending

Masters Court Lyon Road, Harrow, HA1 2BU

Electronic Communications Notification: Installation of 3 no. tripods on new spa...

PL/2254/26

Historical activity at this location

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

Within ~100m

Nearby activity

2025
4 - 6 Spencer Davis & Co , Peterborough Road, Harrow, HA1 2BQ
Change of use from Office (Class E) To 1 Self-Contained Flat (Class C3) at ground floor o…
PL/2515/25/PRIOR
2025 Approved
Rear Of, Old Stables, 1 Grove Hill Road, Harrow, HA1 3AA
Certificate of Lawful Proposed Development: Installation of 27 solar panels
PL/1066/25
2025 Approved
., 18 Peterborough Road, Harrow, HA1 2BQ
Change of use from Commercial (Class E) To Mixed use comprising one Commercial unit (Clas…
PL/0336/25/PRIOR
2025
24 Peterborough Road, Harrow, HA1 2BQ
Change of use from Office (Class E) To 1 Self-Contained Flat (Class C3) on ground floor…
PL/0318/25/PRIOR
2024 Approved
Hanberry & Co Accountants, 20 Peterborough Road, Harrow, HA1 2BQ
Single storey rear extension; replacement of roof tiles; external alterations
PL/2594/24
2024 Approved
22 Peterborough Road, Harrow , HA1 2BQ
Change of use from Office (Class E) To 1 Self-Contained Flat (Class C3) on ground floor…
PL/0748/24/PRIOR
2023
Grove End Cottage Tyburn Lane, Harrow, HA1 3AG
Redevelopment to provide two storey building with basement level and habitable roofspace…
PL/0347/23
2023 Approved
4 - 6 Peterborough Road, Harrow,
Change of use from Office (Class E) To 1 Self-Contained Flat (Class C3) on ground floor…
P/0413/23/PRIOR
2022 Refused
GROVE END COTTAGE Tyburn Lane, Harrow, HA1 3AG
Redevelopment to provide four storey building comprising of eight self contained flats (5…
P/3760/22
2021 Approved
Spencer House, 29 Grove Hill Road, Harrow, HA1 2BS
Installation of cladding to external staircase at rear
P/3670/21
2021 Approved
Carnegie House, 21 Peterborough Road, Harrow,
Details pursuant to Condition 12 (Secure by Design) attached to planning permission P/288…
P/1417/21
2020 Approved
Harrow College, Harrow College Lowlands Road, Harrow, HA1 3AQ
Details pursuant to Condition 15 (contamination report) of Planning Permission P/1375/18…
P/1324/20
2020 Approved
Carnegie House, 21 Peterborough Road, Harrow,
Variation of condition 2 attached to planning permission P/5102/17 dated 15/01/2018 (as v…
P/2799/20
2019 Approved
Harrow College, Harrow College Lowlands Road, Harrow, HA1 3AQ
Details pursuant to conditions 3 (materials), 4 (no-dig construction), 5 (tree protection…
P/3127/19
2019 Approved
Carnegie House, 21 Peterborough Road, Harrow,
Variation of Conditions 2 (Approved plans), 6 (Travel Plan), 7 (Cycle storage), 8 (Refuse…
P/2885/19
2019 Approved
Harrow College, Harrow College Lowlands Road, Harrow, HA1 3AQ
Non material amendment to planning permission P/1375/18 dated 27/07/2018 to allow change…
P/4947/19
2019 Withdrawn
Harrow College, Harrow College Lowlands Road, Harrow, HA1 3AQ
Details pursuant to condition 15 (contamination) attached to planning permission P/1375/1…
P/3450/19
2019 Approved
John Cummings Ross Ltd, Kirkland House, 11 - 15 Peterborough Road, Harrow, HA1 2AX
Replacement of front and rear entrance doors with windows; landscaping
P/2887/19
2018 Approved
Harrow College, Lowlands Road, Harrow, HA1 3AQ
Partial demolition and single storey front to side extension to the armstrong building to…
P/1375/18
2017 Approved
Harrow College, Lowlands Road, Harrow, HA1 3AQ
Erection of a single storey portacabin (retrospective)
P/4382/17
2017 Approved
Anderson House, 27 Peterborough Road, Harrow, HA1 2AX
Conversion of offices (class b1a) to 8 self-contained flats(class c3) (prior approval of…
P/3556/17/PRIOR
2017 Approved
Anderson House, 27 Peterborough Road, Harrow, HA1 2AX
Conversion of offices (class b1a) to 16 self-contained flats (class c3) (prior approval o…
P/4498/17/PRIOR
2016 Approved
Harrow College, Lowlands Road, Harrow, HA1 3AQ
Various tree works (as per tree survey and tree plans attached to application)
P/0683/16
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