Flat 4 91 Colwyn Road Northampton NN1 3PU Data via plota.co.uk

2026/2717/LDE - Lawful Development Certificate (Existing) Approved
Admin / procedural

Proposal

Seeks a Certificate of Lawfulness to regularise existing use of Flat 4, 91 Colwyn Road, Northampton, as a self-contained residential flat (Use Class C3). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
23 Jun 2026
✓
Approved

Approved on · Delegated · Last checked 8 Sept 2026

Documents 11

Decision & officer reports 1

PDF Decision Notice Document · 17 Aug 2026 View ↗

Statements & assessments 1

PDF Planning Statement Document · 23 Jun 2026 View ↗

Plans & drawings 4

PDF Plan - General (Existing) Document · 23 Jun 2026 View ↗ PDF Plan - Location Plan Document · 23 Jun 2026 View ↗ PDF Plan - Location Plan Document · 23 Jun 2026 View ↗ PDF Plan - Site Plan (Existing) Document · 23 Jun 2026 View ↗

Application forms 1

PDF Application Form (PUBLIC) Document · 23 Jun 2026 View ↗

Other documents 4

PDF Officers Report Document · 17 Aug 2026 View ↗ PDF Acknowledgement Document · 9 Jul 2026 View ↗ PDF Acknowledgement Document · 9 Jul 2026 View ↗ PDF Receipt Document · 9 Jul 2026 View ↗

All documents on the council site ↗

Site constraints 2

Boot and Shoe Quarter conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
Also on the record
Inside the Northampton 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

27 Aug 2026Pending

48 Colwyn Road Northampton NN1 3PX

Conversion of dwellinghouse into 1no. 2 bedroom flat and 1no. one bedroom flat

2026/2989/FULL
3 Aug 2026Approved

54 Colwyn Road Northampton NN1 3PX

1 x Red Cedar and 1 x Scotch Pine. Remove to ground level. The roots of both tre...

2026/3218/TCA
27 Apr 2026Pending

Land to the rear of 34/36 Colwyn Road Northampton NN1 3PX

Removal of existing garage, proposed block of 4No flats, including bin and cycle...

2026/1662/FULL
24 Mar 2026Refused

62 Colwyn Road Northampton NN1 3PX

Change of use of existing 5 bedroom house in multiple occupation (class C4) to 7...

2026/1529/FULL

Nearby new applications

27 Aug 2026Pending

48 Colwyn Road Northampton NN1 3PX

Conversion of dwellinghouse into 1no. 2 bedroom flat and 1no. one bedroom flat

2026/2989/FULL
24 Aug 2026Pending

28 St Michaels Avenue Northampton NN1 4JQ

Conversion of existing basement accommodation to create two additional bedrooms ...

2026/3127/FULL
19 Aug 2026Pending

42 Henry Street Northampton NN1 4JE

Seeking Prior Approval for the Change of use from Commercial [Use Class E] to Re...

2026/2552/PA
18 Aug 2026Pending

Al Madina Store 133 Kettering Road Northampton NN1 4BS

Retrospective application for the retention of a commercial walk-in freezer/cold...

2026/3169/FULL
13 Aug 2026Pending

26 Perry Street Northampton NN1 4HW

Erection of a single storey rear extension.

2026/3278/LDP
3 Aug 2026Approved

54 Colwyn Road Northampton NN1 3PX

1 x Red Cedar and 1 x Scotch Pine. Remove to ground level. The roots of both tre...

2026/3218/TCA

Important details

Council
West Northamptonshire
Application type
Lawful Development Certificate (Existing)
Postcode
NN1 3PU
Received
23 Jun 2026
Validated
23 Jun 2026
Ward
Castle Ward
Parish
Northampton Town Council
Target decision
18 Aug 2026
Decision
Approval
Decision level
Delegated

Consultation & key dates

Comments by
3 Aug 2026

Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Withdrawn
Construction of a single-storey rear extension to the ground floor. Internal alterations…
2025/2208/FULL
2024 Approved
Ground floor single storey rear extension to flat 4. measured 4.3m deep x 3.3m wide x 3.0…
2024/5585/PNHPD
Within ~100m

Nearby activity

2025 Approved
34 Colwyn Road Northampton NN1 3PX
Proposed conversion of dwelling into 2No flats.
2025/4496/FULL
2025
48 Colwyn Road Northampton NN1 3PX
Conversion of a dwelling house (C3) into 3 x one bedroom flats (C3). Single storey rear e…
2025/4038/FULL
2024 Refused
34 Colwyn Road Northampton NN1 3PX
Conversion of existing single dwelling into 4 no. studio apartments
2024/5538/FULL
2024 Approved
107 Colwyn Road Northampton NN1 3PU
Erection of two storey rear extension
2024/5077/FULL
2024 Approved
Merton Guest House 109 Colwyn Road Northampton NN1 3PU
House of multiple occupation - Increase in the number of occupants from 8 to 10
2024/5179/FULL
2024 Approved
115 Colwyn Road Northampton NN1 3PU
Part retrospective application for two additional basement flats, extra windows to one ba…
2024/2620/FULL
2024 Approved
Warkworth House 105 Colwyn Road Northampton NN1 3PU
Removal of Conifers
2024/4938/TCA
2024 Refused
107 Colwyn Road, Northampton, NN1 3PU
Erection of two storey rear extension
2024/3570/FULL
2024 Approved
Warkworth House 105 Colwyn Road Northampton NN1 3PU
Erection of two storey rear extension
2024/3571/FULL
2024 Approved
Merton Guest House 109 Colwyn Road Northampton NN1 3PU
Change of use from a 6 person HMO (Use Class C4) to an 8 person HMO (Use Class SG)
2024/3569/FULL
2023 Approved
99 Colwyn Road Northampton NN1 3PU
Conversion into 9no Flats
WNN/2023/0343
2023 Approved
99 - 101 Colwyn Road Northampton Northamptonshire NN1 3PU
Subdivision of property to create 2no dwellings
WNN/2023/0107
2022 Approved
86 Colwyn Road, Northampton, NN1 3PX
Replacement of timber frame windows and doors to UPVC to Flats 86, 86a, 86b, 88 and 90 Co…
WNN/2022/1141
2021 Withdrawn
99 Colwyn Road Northampton Northamptonshire NN1 3PU
Change of Use of property in Sui Generis use to Supported Living (Use Class C2) for up to…
N/2021/0025
2021 Withdrawn
101 Colwyn Road, Northampton, NN1 3PU
Change of Use of property in Sui Generis use to Supported Living (Use Class C2) for up to…
N/2021/0027
2021 Refused
86 Colwyn Road Northampton Northamptonshire NN1 3PX
Proposed replacement of timber frame windows and doors to UPVC to Flats 86, 86a, 86b, 88…
WNN/2021/0751
2021 Withdrawn
99 - 101 Colwyn Road, Northampton, NN1 3PU
Change of Use from Religious Commune for 21 people (Sui Generis) to Serviced Apartments/H…
WNN/2022/0001
2021 Approved
Conway House 75 - 79 Colwyn Road Northampton Northamptonshire NN1 3PU
Replacement windows and doors to Flats 1-16
WNN/2021/1104
2021 Approved
116 Colwyn Road Northampton Northamptonshire NN1 3PX
Conversion of single dwellinghouse into 3no residential units and change to fenestration…
WNN/2021/0858
2021 Approved
40 Colwyn Road, Northampton, NN1 3PX
Lawful Development Certificate for proposed replacement of existing single glazed windows…
WNN/2021/0189
2020 Refused
99 - 101 Colwyn Road Northampton Northamptonshire NN1 3PU
Conversion of single religious group shared house (Sui Generis) for 21 occupants into 2no…
N/2020/0422
2019 Approved
99 & 101 Colwyn Road, Northampton, NN1 3PU
Subdivision of property to create two dwellings
N/2019/0309
2017 Approved
121 Colwyn Road, Northampton, NN1 3PU
Change of use of existing 7no person care home to 3no apartments and 2no studio apartments
N/2017/1574
2016 Refused
121 Colwyn Road, Northampton, NN1 3PU
Change of use from residential care home (Use Class C2) to house in multiple occupation f…
N/2016/1420
2016 Refused
133 Colwyn Road, Northampton, NN1 3PU
Alterations to form additional self contained apartment (part retrospective).
N/2016/0112
West Northamptonshire
Planning Authority Score
1.7/10
Poor
#280 of 296 councils
Relevant to this application:
Householder decisions

West Northamptonshire is one of the slowest councils in England for householder decisions, ranking #295 out of 296. The council extends the time limit on 79% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).

Among the slowest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
West Northamptonshire decision statistics
Based on MHCLG data, the year to March 2026
90%
Overall approval rate
Above avg (87%) #123 of 296
93%
Householder approved
Above avg (90%) #144 of 296
18%
Decided in 8 weeks
Below avg (63%) #295 of 296
79%
Extended time limit
Above avg (41%) #295 of 296
81%
Minor dwellings approved
170 decided (1-9 homes)
83%
Major dwellings approved
24 decided (10+ homes)
86%
Change of use approved
207 decided
1,832
Total decisions
179 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings