12 Holyrood Avenue, Harrow, HA2 8TP Data via plota.co.uk

Refused PL/1207/26 - Certificate of Lawful Development Proposed
Change of use
Council
Harrow 4.9/10
Date received
7 May 2026
Postcode
HA2 8TP
Type
Certificate of Lawful Development Proposed

Description

Certificate of Lawful Proposed Development: Change of use from single dwelling (Use Class C3) to a HMO for up to 5 people (Use Class C4) Data via plota.co.uk

Get alerts nearby Council site ↗

Last checked

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.

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

29 Jul 2026Pending

30 Holyrood Avenue, Harrow, HA2 8TP

Single storey front, side and rear extension

PL/1779/26

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
3 Sept 2026Pending

574 FIELD END ROAD RUISLIP

Erection of a single storey extension to the rear, conversion of roof space to h...

16992/APP/2026/2143
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
30 Jul 2026Approved

90 ROYAL CRESCENT RUISLIP HA4 0PR

Demolition of existing side utility room and erection of a single storey side/ r...

80202/APP/2026/1887
29 Jul 2026Pending

30 Holyrood Avenue, Harrow, HA2 8TP

Single storey front, side and rear extension

PL/1779/26
29 Jul 2026Pending

33 Tregenna Avenue, South Harrow, Harrow, HA2 8QH

Single storey rear extension; front porch; external alterations

PL/2000/26

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Withdrawn
26 Warwick Avenue, South Harrow, Harrow, HA2 8RD
Front porch, Single and two storey side to rear extension (Demolition of side extension)
PL/0735/25
2025 Approved
26 Warwick Avenue, South Harrow, Harrow, HA2 8RD
Single storey rear extension: 6.00 metres deep, 3.70 metres maximum height and 3.00 metre…
PL/0272/25
2023 Approved
76 Holyrood Avenue, Harrow, HA2 8TP
Single Storey Rear Extension: 5.95 metres deep, 3.17 metres maximum height, 2.92 metres h…
PL/0188/23
2023 Refused
97 Holyrood Avenue, Harrow, HA2 8UD
Conversion of dwelling into house of multiple occupancy (HMO) for upto 7 persons (Use cla…
P/0753/23
2023 Approved
94 Holyrood Avenue, Harrow, HA2 8TP
Single storey rear extension: 4.00 metres deep, 3.00 metres maximum height and 2.85 metre…
P/0953/23/PRIOR
2023 Withdrawn
84 Warwick Avenue, South Harrow, Harrow, HA2 8RD
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.50 metre…
P/0899/23/PRIOR
2023 Approved
,
Single storey rear extension: 6.00 metres deep, 3.17 metres maximum height and 2.90 metre…
P/0409/23/PRIOR
2022 Refused
,
Single storey rear extension: 6.00 metres deep, 3.17 metres maximum height and 2.90 metre…
P/4084/22/PRIOR
2022 Approved
93 Holyrood Avenue, Harrow, HA2 8UD
Single storey outbuilding in rear garden
P/1943/22
2021 Refused
68 Holyrood Avenue, Harrow, HA2 8TP
Alterations to roof to raise ridge height, form end gable and rear dormer; new window in…
P/3564/21
2021 Approved
96 Warwick Avenue, South Harrow, Harrow, HA2 8RD
Single storey front extension; single storey rear infill extension; alterations and exten…
P/4589/21
2021 Approved
96 Warwick Avenue, South Harrow, Harrow, HA2 8RD
Conversion of garage to habitable room: Part single storey front extension: Single storey…
P/4458/21
2021 Approved
4 Holyrood Avenue, Harrow, HA2 8TP
Single Storey Rear Extension: 5.56 metres deep, 3.25 metres maximum height, 3.00 metres h…
P/4375/21/PRIOR
2021 Approved
64 Warwick Avenue, South Harrow, Harrow, HA2 8RD
Single Storey Rear Extension: 6.00 metres deep, 3.40 metres maximum height, 3.00 metres h…
P/2818/21/PRIOR
2021 Approved
82a Holyrood Avenue, Harrow, HA2 8TP
Vehicle crossover
P/1184/21
2020 Approved
30 Holyrood Avenue, Harrow, HA2 8TP
Outbuilding at rear for use as gym / storage (demolition of outbuilding)
P/4028/20
2021 Approved
52 Warwick Avenue, South Harrow, Harrow, HA2 8RD
Single Storey Rear Extension: 6.00 metres deep, 3.00 metres maximum height, 3.00 metres h…
P/1243/21/PRIOR
2020 Approved
,
Single and two storey rear extension; glass balustrade to rear at first floor level; exte…
P/4699/20
2020 Approved
,
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.92 metre…
P/0017/21/PRIOR
2020 Approved
34 Holyrood Avenue, Harrow, HA2 8TP
Single Storey Rear Extension: 6.00 metres deep, 3.00 metres maximum height, 3.00 metres h…
P/1868/20/PRIOR
2016 Approved
883 Field End Road, Ruislip, Hillingdon, HA4 0QN
Single storey rear extension: extending 5 metres beyond the original rear wall 3.2 Metres…
P/2446/16
2016 Approved
831 Field End Road, Ruislip, Hillingdon, HA4 0QN
Single storey rear extension: extending 3.675 Metres beyond the original rear wall 3.777…
P/1578/16
2016 Approved
87 Holyrood Avenue, Harrow, HA2 8UD
Single storey rear extension: extending 5.01 Metres beyond the original rear wall 3.1 Met…
P/1500/16
2016 Approved
45 Holyrood Avenue, Harrow, HA2 8UD
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/1013/16
2016 Approved
91 Holyrood Avenue, Harrow, HA2 8UD
First floor rear extension
P/0099/16
Harrow
Planning Authority Score
4.9/10
Below average
#153 of 296 councils
Relevant to this application:
Change of use

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