83 Carlyon Avenue, South Harrow, Harrow, HA2 8SN Data via plota.co.uk

Grant PL/0907/26 - Certificate of Lawful Development Proposed
Extensions & alterations
Council
Harrow 4.9/10
Date received
23 May 2026
Postcode
HA2 8SN
Type
Certificate of Lawful Development Proposed

Description

Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roof slope Data via plota.co.uk

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Other new applications on this street

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

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

PL/1593/26 - 14 Aug 2026

8 Carlyon Avenue, South Harrow, Harrow, HA2 8SX

First floor rear extension (Retrospective)

PL/0934/26 - 28 May 2026

Nearby new applications

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

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

PL/1593/26 - 14 Aug 2026

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

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

PL/2085/26 - 12 Aug 2026

81 Kings Road, South Harrow, Harrow, HA2 9JG

Proposed boundary wall with metal grills and metal gates to front

PL/2080/26 - 8 Aug 2026

30 Holyrood Avenue, Harrow, HA2 8TP

Single storey front, side and rear extension

PL/1779/26 - 29 Jul 2026

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

Single storey rear extension; front porch; external alterations

PL/2000/26 - 29 Jul 2026

17 Somervell Road, South Harrow, Harrow, HA2 8TY

Certificate of Lawful Proposed Development: Alterations to roof to form end gabl...

PL/1796/26 - 7 Jul 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025
89 Carlyon Avenue, South Harrow, Harrow, HA2 8SN
Single storey rear extension: 4.50 metres deep, 3.00 metres maximum height and 3.00 metre…
PL/2663/25
2025
89 Carlyon Avenue, South Harrow, Harrow, HA2 8SN
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metre…
PL/2534/25
2025 Approved
124 Carlyon Avenue, South Harrow, Harrow, HA2 8SW
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metre…
PL/0004/25
2024 Approved
114 Carlyon Avenue, South Harrow, Harrow, HA2 8SW
Alterations to roof to form end gable, rear dormer, insertion of two rooflights in front…
PL/2136/24
2024 Approved
131a Carlyon Avenue, South Harrow, Harrow, HA2 8SN
Outbuilding at rear for use as gym / store
PL/0313/24
2024 Approved
131a Carlyon Avenue, South Harrow, Harrow, HA2 8SN
Single storey rear extension; external alterations
PL/0077/24
2023 Approved
131a Carlyon Avenue, South Harrow, Harrow, HA2 8SN
Single storey rear extension to ground floor flat; external alterations
PL/0498/23
2023 Approved
136 Carlyon Avenue, Harrow, HA2 8SW
Single and two storey side to part first floor rear extension to create semI detached (2…
P/1942/22/6186
2023 Approved
91 Carlyon Avenue, South Harrow, Harrow, HA2 8SN
Single storey rear extension: 3.50 metres deep, 3.15 metres maximum height and 3.00 metre…
P/1409/23/PRIOR
2023 Approved
12 Ludlow Close, South Harrow, Harrow, HA2 8SR
Single storey side to rear extension; external alterations (demolition of conservatory)
P/1140/23
2022 Refused
12 Ludlow Close, South Harrow, Harrow, HA2 8SR
Single storey side to rear extension; external alterations (demolition of conservatory)
P/1036/22
2022 Refused
136 Carlyon Avenue, South Harrow, Harrow, HA2 8SW
Single and two storey side to part first floor rear extension to create semi detached (2…
P/1942/22
2022 Approved
99 Carlyon Avenue, South Harrow, Harrow, HA2 8SN
Single storey rear extension; External Alterations
P/2938/22
2022 Approved
115 Carlyon Avenue, South Harrow, Harrow, HA2 8SN
Single Storey Rear Extension: 6.00 metres deep, 3.00 metres maximum height, 3.00 metres h…
P/2239/22/PRIOR
2021 Approved
136 Carlyon Avenue, South Harrow, Harrow, HA2 8SW
Details pursuant to conditions 3 (doors/window/shutters) and 4 (gates) attached to planni…
P/3218/21
2021 Approved
107 Carlyon Avenue, South Harrow, Harrow, HA2 8SN
Single Storey Rear Extension: 6.00 metres deep, 3.00 metres maximum height, 3.00 metres h…
P/2790/21/PRIOR
2021 Refused
101 Carlyon Avenue, South Harrow, Harrow, HA2 8SN
Single storey side to rear extension with sedum roof to create two additional bedrooms to…
P/2055/21
2021 Refused
101 Carlyon Avenue, South Harrow, Harrow, HA2 8SN
Single storey side to rear extension with sedum roof to create two additional bedrooms to…
P/1751/21
2020 Approved
136 Carlyon Avenue, South Harrow, Harrow, HA2 8SW
Change Of Use Of Detached Outbuilding At Rear From Storage Space Ancillary To Dwellinghou…
P/3819/20
2021 Approved
93 Carlyon Avenue, South Harrow, Harrow, HA2 8SN
Single storey side to rear extension (demolition of conservatory) (Amended Site Plan)
P/1947/21
2016 Approved
97 Carlyon Avenue, Harrow, HA2 8SN
Single storey rear extension: extending 6 metres beyond the original rear wall 3.15 Metre…
P/4435/16
2016 Approved
130 Carlyon Avenue, Harrow, HA2 8SW
Single storey rear extension: extending 3.5 Metres beyond the original rear wall 3 metres…
P/2737/16
2016 Approved
10 Ludlow Close, Harrow, HA2 8SR
Single storey front extension incorporating front porch and single and two storey side to…
P/1897/16
2016 Approved
127 Carlyon Avenue, Harrow, HA2 8SN
Single storey rear extension: extending 6 metres beyond the original rear wall 3.7 Metres…
P/0616/16
2016 Approved
127 Carlyon Avenue, Harrow, HA2 8SN
Single storey rear extension: extending 6 metres beyond the original rear wall 3.25 Metre…
P/0614/16
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 performance
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