Flat 49, CARNEGIE HOUSE, 21 Peterborough Road, Harrow, HA1 2AX Data via plota.co.uk

Approved PL/0063/26 - Certificate of Lawful Development Existing
Admin / procedural
Council
Harrow 4.9/10
Date received
30 Mar 2026
Postcode
HA1 2AX
Type
Certificate of Lawful Development Existing

Description

Certificate of Lawful Existing Development: Alterations to roof to create 2 bed flat (Use Class C3) Data via plota.co.uk

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Last checked

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.

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Other new applications on this street

14 Jul 2026Pending

., 18 Peterborough Road, Harrow, HA1 2BQ

Second floor rear extension; alterations to roof; rear dormer; conversion of thi...

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Historical activity at this location

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

Within ~100m

Nearby activity

2025
3 Kenton Avenue, Harrow, HA1 2BN
Certificate of Lawful Development Existing: Change of use from a C3 single dwelling house…
PL/3222/25
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 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
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
Chalgrove, 30 Peterborough Road, Harrow, HA1 3DX
Outbuilding at rear for use as gym/study/storage; External steps and piers at rear: insta…
P/2888/20
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
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
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
11 Kenton Avenue, Harrow, HA1 2BN
Conversion of dwellinghouse to three flats; side dormer; rear dormer with juliette balcon…
P/0408/18/5390
2018 Refused
4 Kenton Road, Kenton, Harrow, HA1 2BL
Display of 12 non illuminated lamppost banner signs along Kenton Road
P/3746/18
2018 Refused
11 Kenton Avenue, Harrow, HA1 2BN
Conversion of dwellinghouse to three flats; side dormer; rear dormer with Juliette balcon…
P/0408/18
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
2017 Approved
Flat 2, 2 Kenton Road, Harrow, HA1 2BL
Details pursuant to condition 3 (materials) attached to planning permission p/2679/16 all…
P/3818/17
2017 Approved
Flat 2, 2 Kenton Road, Harrow, HA1 2BL
Details pursuant to condition 3 (materials) attached to planning permission p/2679/16 all…
P/2428/17
2016 Approved
Flat 2, 2 Kenton Road, Harrow, HA1 2BL
Installation of glazed balustrade to create first floor rear balcony over the existing si…
P/2679/16/5043
2016 Approved
Flat 2, 2 Kenton Road, Harrow, HA1 2BL
Installation of glazed balustrade to create first floor rear balcony over the existing si…
P/2679/16
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