Ash Tree House 29 31 Ash Lane Northampton NN4 0ND Data via plota.co.uk

2026/1077/FULL - Full Planning Permission Approved
DemolitionExtensions & alterationsSolar & renewables

Proposal

Removal of existing roof and construction of first floor extension, single storey rear extension, garage conversion and detached double garage. Fenestration and material changes and proposed solar panels to rear roof slope Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
3 Mar 2026
✓
Approved

Approved on · Delegated · Last checked 11 Sept 2026

Documents 14

Decision & officer reports 1

PDF Decision Notice Document · 17 Jul 2026 View ↗

Plans & drawings 5

PDF Plan - Elevations (Existing) Document · 9 Mar 2026 View ↗ PDF Plan - Elevations (Proposed) Document · 9 Mar 2026 View ↗ PDF Plan - Floor (Existing) Document · 9 Mar 2026 View ↗ PDF Plan - Floor (Proposed) Document · 9 Mar 2026 View ↗ PDF Plan - Location and Block Plan Document · 9 Mar 2026 View ↗

Application forms 1

PDF Application Form (PUBLIC) Document · 9 Mar 2026 View ↗

Consultation & comments 1

PDF Response - Consultees Document · 27 Apr 2026 View ↗

Other documents 6

PDF Officers Report Document · 17 Jul 2026 View ↗ PDF Acknowledgement Document · 18 Jun 2026 View ↗ PDF CIL Ack CAIRF Letter Document · 24 Mar 2026 View ↗ PDF Superseded Document · 20 Mar 2026 View ↗ PDF Superseded Document · 9 Mar 2026 View ↗ PDF CIL Application (PUBLIC) Document · 9 Mar 2026 View ↗

All documents on the council site ↗

Site constraints 2

Also on the record
Inside the Collingtree built-up area; the 1970s provisional farmland map had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.
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

19 Mar 2026Pending

33 Ash Lane Northampton NN4 0ND

Discharge of Conditions 5 [Mechanical Ventilation], 6 [Mechanical Input], 11 [Su...

2026/1238/COND

Nearby new applications

16 Jul 2026Pending

98 Watermill Way Northampton NN4 0AD

Change of Use from Class C3 (Dwelling houses) to C2 (Residential Institutions).

2026/3064/FULL

Important details

Council
West Northamptonshire
Application type
Full Planning Permission
Postcode
NN4 0ND
Received
3 Mar 2026
Validated
3 Mar 2026
Ward
Hunsbury Ward
Parish
Collingtree Parish Council
Target decision
24 Jul 2026
Decision
Approval
Decision level
Delegated

Consultation & key dates

Comments by
14 Apr 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025
33 Ash Lane Northampton NN4 0ND
Discharge of Conditions 3 (Materials), 7 (Landscaping) and 14 (Boundary Treatment) of Pla…
2025/4521/COND
2025 Approved
34 Ash Lane, Northampton, NN4 0ND
Rear single storey extension and remodelling
2025/3413/FULL
2025
33 Ash Lane Northampton NN4 0ND
Variation of condition 2 (approved plans) to amend the housetype layouts, materials and f…
2025/4072/S73
2025 Approved
33 Ash Lane Northampton NN4 0ND
Discharge of Condition 12 (Ecology GCN) of Planning Permission 2024/1461/FULL. (Erection…
2025/2230/COND
2024 Approved
33 Ash Lane Northampton NN4 0ND
Erection of four dwellings and garages
2024/1461/FULL
2024 Approved
20 Ash Lane Northampton NN4 0ND
Cedar (Atlas) Trees marked 1 & 2 on the plan, owned by No.20 Ash Lane & situated opposite…
2024/1240/TPO
2023 Approved
33 Ash Lane Northampton NN4 0ND
Non Material Amendment to Planning Permission (N/2003/0508 Erection of 3no. Dwellings - a…
2023/6908/NMA
2022 Approved
36A Ash Lane, Northampton, NN4 0ND
Construction of triple garage with office over
WNN/2022/1130
2022 Approved
33 Ash Lane, Northampton, NN4 0ND
Extended driveway for access to Hutchcraft Way No 3 & 4 (including no. 5 and 33 Ash Lane)
WNN/2022/0891
2022 Approved
18 Ash Lane, Northampton, NN4 0ND
T1 Lawson Cypress Conifer - Fell
WNN/2022/0902
2022 Approved
36A Ash Lane Collingtree Northampton NN4 0ND
Single storey rear extensions, garage conversion and construction of new detached garage…
WNN/2022/0083
2022 Approved
29 - 31 Ash Lane, Northampton, NN4 0ND
T1 Ash - Remove lateral branches and reduce height of stem to 6m and maintain thereafter…
WNN/2022/0283
2021 Approved
29 - 31 Ash Lane, Northampton, NN4 0ND
Outline Planning Application (with some matters reserved) for the demolition of existing…
WNN/2021/1166
2021 Approved
17 Ash Lane, Northampton, NN4 0ND
Conversion of detached garage and construction of two storey and single storey side exten…
N/2021/0312
2020 Approved
17 Ash Lane, Northampton, NN4 0ND
Demolition of detached garage and construction of two storey side extension and single st…
N/2020/1224
2020 Approved
29 - 31 Ash Lane Northampton Northamptonshire NN4 0ND
Variation of Condition 2 of Planning Permission N/2018/0151 (Re-modelling of existing hou…
N/2020/0516
2019 Refused
27 Ash Lane Northampton Northamptonshire NN4 0ND
Two storey side extension
N/2019/1190
2019 Approved
27 Ash Lane Northampton Northamptonshire NN4 0ND
Replace existing conservatory with single store rear extension (Part retrospective)
N/2019/1189
2019 Approved
28 Ash Lane, Northampton, NN4 0ND
Single storey rear extension and first floor side and rear extension
N/2019/0256
2019 Approved
29 - 31 Ash Lane, Northampton, NN4 0ND
Variation of Condition 2 of Planning Permission N/2017/1055 (Conversion and modification…
N/2019/0169
2018 Approved
29 - 31 Ash Lane Northampton Northamptonshire NN4 0ND
Re-modelling of existing house incorporating first floor extension, side and rear extensi…
N/2018/0151
2018 Approved
29 - 31 Ash Lane, Northampton, NN4 0ND
Variation of Conditions 2 and 7 of Planning Permission N/2017/1055 (Conversion and modifi…
N/2018/0108
2017 Approved
29 - 31 Ash Lane, Northampton, NN4 0ND
Conversion and modification of outbuilding (permission N/2014/0769) into a dwelling and c…
N/2017/1055
2016 Approved
The Grange , 38 Ash Lane, Northampton, NN4 0ND
Single storey timber orangery to rear
N/2016/1125
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