Field Head 16 The Avenue Dallington Northampton NN5 7AN Data via plota.co.uk

2026/4112/HH - Householder Planning Permission 4 - Consultations Despatched (1-10)
Extensions & alterations

Proposal

Removal of existing conservatory located at the rear of the property and replace with a new single storey orangery style extension and all assocated works. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
10 Sept 2026
✓
Validated
14 Oct 2026
Decision
Expected by 9 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 20 Dec 2026 and 5 Jan 2027, from West Northamptonshire's recent extensions.

Comments are open until 9 Nov 2026

Comment on this application ↗

Documents 6

Plans & drawings 3

PDF Plan - General Document · 10 Sept 2026 View ↗ PDF Plan - Location Plan Document · 10 Sept 2026 View ↗ PDF Plan - Site Plan Document · 10 Sept 2026 View ↗

Application forms 2

PDF CIL Form 1 Additional Information Document · 14 Oct 2026 View ↗ PDF Application Form (PUBLIC) Document · 10 Sept 2026 View ↗

Other documents 1

PDF Acknowledgement Document · 15 Oct 2026 View ↗

All documents on the council site ↗

Site constraints 2

Radon affected area, class 6
An estimated 30% or more of homes reach the radon action level. Indicative for the 1 km square, which takes the highest class found in it; a radon test gives the answer for a building.
From the British Geological Survey and UK Health Security Agency indicative atlas. Under building regulations, as the BRE guide BR 211 (2023) sets out, new buildings and extensions need basic radon protection from class 3 in England and Wales and from class 2 in Scotland, and full protection from class 5. The class at the site itself, from the detailed BGS map, decides which.
UKHSA radon ↗
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 15 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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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Important details

Council
West Northamptonshire
Application type
Householder Planning Permission
Postcode
NN5 7AN
Received
10 Sept 2026
Validated
14 Oct 2026
Ward
Dallington Spencer Ward
Parish
Northampton Town Council
Target decision
9 Dec 2026
Decision level
Delegated
Applicant
Show
Agent
Bespoke Design

Decision outlook

Day 14 of the 56-day target. West Northamptonshire usually decides extensions by day 74.

Day 1460 days to the predicted decision (day 74)
28%decided within 8 weeks
92%approved
712decided in the last year

Plota live figures for extensions decided by West Northamptonshire in the last twelve months, from validation. West Northamptonshire decision record →

Consultation & key dates

Comments by
9 Nov 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025
Apollo House The Avenue Dallington Northampton NN5 7AJ
Proposed extension to add approximately 1,035 square meters, with sections varying betwee…
2025/2565/FULL
2024 Approved
Elmdale, The Avenue, Dallington, Northampton, NN5 7AJ
Demolish & replace Front Porch. Erect gazebo to rear of building & lean-to structure to s…
2024/4193/FULL
2024 Approved
10A The Avenue Dallington Northampton NN5 7AN
Reduction of 2 x Beech Trees TPO 176 - T1 & T2
2024/4493/TPO
2023 Approved
Beeches, 11E The Avenue, Dallington, Northampton, NN5 7AJ
T1 Mature Beech - 20% crown reduction to prevent impact from upcoming extension and reduc…
WNN/2023/0674
2023 Approved
5 The Avenue, Dallington, Northampton, NN5 7AJ
Outline Planning Application for the formation of new building plot to provide single det…
WNN/2023/0479
2023 Approved
Beeches 11e The Avenue Dallington Northampton Northamptonshire NN5 7AJ
Two storey rear extension
WNN/2023/0470
2023 Approved
Cleveland House, 3C The Avenue, Dallington, Northampton, NN5 7AJ
T1 Thuja - Lightly prune lateral branches to provide adequate clearance to property (3m)…
WNN/2023/0449
2022 Approved
10A The Avenue Dallington Northampton Northamptonshire NN5 7AN
T1 Copper Beech (tag 0418) - Reduce northerly crown spread by 3m retaining small secondar…
WNN/2022/1108
2021 Approved
4 Belvedere Close, Northampton, NN5 7DW
Two storey side extension. Works to provide disabled access to rear and front of property…
WNN/2021/0937
2020 Approved
3B The Avenue Dallington Northampton Northamptonshire NN5 7AJ
Single storey rear extension
N/2020/1057
2020 Approved
Dallington Lodge, 13 The Avenue, Dallington, Northampton, NN5 7AJ
T1 Cedar - Reduce overhanging limbs to the boundary, reduced back to growth points
N/2020/1048
2020 Approved
6 Belvedere Close, Northampton, NN5 7DW
TPO 023 T13 Acer Platanoides - Pollard to 5-6m
N/2020/0821
2020 Approved
7 The Avenue, Dallington, Northampton, NN5 7AJ
T1 Sycamore - Lift crown to approximately 3m, cut back to give approximately 1.5m clearan…
N/2020/0798
2020 Approved
5 Belvedere Close Northampton Northamptonshire NN5 7DW
Ground and first floor side extension
N/2020/0256
2020 Approved
Pinetrees The Avenue Dallington Northampton Northamptonshire NN5 7AJ
TPO 134 (T1, T2, G1) - various tree works, repair of damaged paving.
N/2020/0269
2019 Approved
3B The Avenue Dallington Northampton Northamptonshire NN5 7AJ
T1 Holly and T2 Pine - Remove, including stumps T3 Silver Birch - 30% reduction of tree a…
N/2019/1567
2019 Approved
Firs Trees, 11B The Avenue, Dallington, Northampton, NN5 7AJ
Single storey side and rear extension and removal of existing conservatory
N/2019/1280
2019 Approved
3A The Avenue, Dallington, Northampton, NN5 7AJ
T1 Thuja plicata - Lightly reduce branch endings by maximum of 1.5m T2 Thuja plicata - Re…
N/2019/0717
2019 Approved
Dene House, 13A The Avenue, Dallington, Northampton, NN5 7AJ
T1 Cedar - Remove dead and defective wood, crown thin by 20% and crown lift by 5m, includ…
N/2019/0302
2019 Refused
Firs Trees, 11B The Avenue, Dallington, Northampton, NN5 7AJ
Two storey side extension
N/2019/0165
2017 Refused
Kylemore , 12 The Avenue, Dallington, Northampton, NN5 7AN
Erection 2no new dwellings with parking
N/2017/0130
2017 Approved
Radbrook , The Avenue, Dallington, Northampton, NN5 7AJ
Extension to front of existing garage
N/2017/0150
2016 Approved
3A The Avenue, Dallington, Northampton, NN5 7AJ
T1 and T2 Western Red Cedar in rear garden to have crown lifted by 4-5m and lower limbs p…
N/2016/1273
2016 Approved
2 The Avenue, Dallington, Northampton, NN5 7AN
Ground floor extension to front of dwelling together with demolition of existing garage a…
N/2016/0637
2016 Approved
Bawburgh, 4 The Avenue, Dallington, Northampton, NN5 7AN
Demolition of existing single storey extension to rear, erection of double detached garag…
N/2016/0109
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