12 Sunnybank Avenue Thornbury BD3 7DH Data via plota.co.uk

26/03871/DHH - Householder Determination Approved
Extensions & alterations

Proposal

4.20m single storey rear conservatory, 3.4m to ridge height and 3.00m to eaves Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
16 Jul 2026
✓
Consultation
16 Jul 2026
✓
Approved
13 Aug 2026

Approved on 13 Aug 2026 · Delegated Decision · Last checked 15 Aug 2026

Documents 5

Decision & officer reports 1

PDF HOUSEHOLDER - NOT REQUIRED PD Decision · 13 Aug 2026 View ↗

Plans & drawings 2

PDF EXISTING GROUND FLOOR PLAN (NOT TO SCALE) BackGround Papers · 16 Jul 2026 View ↗ PDF PROPOSED GROUND FLOOR PLAN AND REAR ELEVATION (NOT TO SCALE) BackGround Papers · 16 Jul 2026 View ↗

Application forms 2

PDF PLANNING APPLICATION FORM (SEE ALSO MEASUREMENTS) Application Form · 16 Jul 2026 View ↗ PDF MEASUREMENTS-HEIGHT TO RIDGE AND HEIGHT TO EAVES Application Form · 16 Jul 2026 View ↗

All documents on the council site ↗

Site constraints 1

Also on the record
Inside the Bradford 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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Important details

Council
Leeds
Application type
Householder Determination
Postcode
BD3 7DH
Received
16 Jul 2026
Validated
16 Jul 2026
Ward
Calverley & Farsley
Target decision
23 Aug 2026
Decision
Not Required
Decision date
13 Aug 2026
Decision level
Delegated Decision
Applicant
Show

How this decision compares

Decided in 28 days from validation, 24 days faster than Leeds's median of 52 for extensions. Approved, as 82% of extensions here are.

83%decided within 8 weeks
82%approved
1,630decided in the last year

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

Public comments

No public comments yet.

5 neighbours consulted · Last counted 15 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Neighbours
16 Jul 2026
Consultation
16 Jul 2026
Comments by
8 Aug 2026
Env. assessment
No

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Refused
1-5 Gain Lane Thornbury BD3 7DN
Retrospective application for container used as storage outbuilding for existing on site…
25/06975/FU
2024 Approved
246 Gain Lane Bradford West Yorkshire BD3 7DW
Single-storey detached annex to rear garden
24/02636/CLP
2022 Refused
25 Gain Lane Bradford BD3 7DN
Dormer window and rooflight to front
22/04939/FU
2022 Approved
9 Sunnybank Lane Thornbury Bradford BD3 7DG
Single storey side and rear extension
22/04019/FU
2022 Approved
1 Sunnybank Grove Thornbury Bradford BD3 7DJ
Alteration including raising the roof height creating a first floor extension, bi -foldin…
22/04071/FU
2022 Approved
23 Sunnybank Lane Thornbury Bradford BD3 7DG
Porch to front and dormer window to rear
22/04029/FU
2022 Approved
25 Gain Lane Bradford BD3 7DN
Single storey side and rear extension; front porch.
22/02472/FU
2022 Approved
14 Sunnybank Avenue Thornbury BD3 7DH
Part two storey, part single storey side and rear extension
22/03098/FU
2021 Refused
1 Sunnybank Grove Thornbury Bradford BD3 7DJ
Raising roof height and dormer windows to both sides to create habitable rooms
21/09812/FU
2021 Approved
25 Gain Lane Bradford BD3 7DN
Certificate of Proposed Lawful Development for an extension to gable, dormer window to th…
21/08148/CLP
2021 Refused
23 Sunnybank Lane Thornbury Bradford BD3 7DG
Single storey rear extension; porch to front and dormer window to rear
21/05492/FU
2021 Refused
1 Sunnybank Grove Thornbury Bradford BD3 7DJ
Raising roof height and dormer windows to both sides to create habitable rooms
21/07610/FU
2021 Withdrawn
25 Gain Lane Bradford BD3 7DN
Part two storey and part single storey extension to side; Hip to gable roof extension, Do…
21/06788/FU
2021 Approved
25 Gain Lane BD3 7DN
4.50m single storey rear extension, 4.00m to ridge height and 3.00m to eaves
21/05155/DHH
2021 Approved
39 Gain Lane BD3 7DN
Single storey front and side extension
21/03600/FU
2021 Refused
9 Sunnybank Lane Thornbury BD3 7DG
Two storey side extension, single storey rear extension including conversion of existing…
20/08410/FU
2020
Gain Lane Farm Gain Lane BD3 7DN
Listed Building Application for partial demolition, change of use of existing farm buildi…
20/04566/LI
2020
Gain Lane Farm Gain Lane BD3 7DN
Partial demolition, change of use of existing farm buildings with external alterations to…
20/04565/FU
2020 Refused
19 Sunnybank Avenue Thornbury BD3 7DH
Front and rear dormers
20/01827/FU
2020 Approved
19 Sunnybank Avenue Thornbury Bradford BD3 7DH
5m single storey rear extension, 3.89m to ridge height and 3m to eaves
20/01826/DHH
2017 Refused
Former Site Of The Junction Hotel Leeds Road Bradford West Yorkshire
Construction of two retail units with six apartments above
17/04789/OUT
2017 Approved
14 Sunnybank Avenue Thornbury Bradford BD3 7DH
Part two storey; part single storey side/rear extension
17/04867/FU
2017 Refused
Former Site Of The Junction Hotel Leeds Road Bradford West Yorkshire
Construction of two retail units with six apartments above
17/00726/OUT
2016 Refused
14 Sunnybank Avenue Thornbury BD3 7DH
Two storey side and single storey rear extension
16/04151/FU
2016 Approved
14 Sunnybank Avenue Thornbury Bradford BD3 7DH
6.0m single storey rear extension, 3.9m to ridge height, 2.9m to eaves
16/01034/DHH
Leeds
Planning Authority Score
5.3/10
Average
#131 of 296 councils
Relevant to this application:
Householder decisions

Leeds is faster than most councils at deciding householder applications, ranking #95 out of 296. Householder applications are slightly less likely to be approved here (85%) than the national average (90%).

Faster than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Leeds decision statistics
Based on MHCLG data, the year to March 2026
83%
Overall approval rate
Below avg (87%) #238 of 296
85%
Householder approved
Below avg (90%) #249 of 296
73%
Decided in 8 weeks
Above avg (63%) #95 of 296
33%
Extended time limit
Below avg (41%) #78 of 296
70%
Minor dwellings approved
208 decided (1-9 homes)
86%
Major dwellings approved
36 decided (10+ homes)
68%
Change of use approved
279 decided
3,681
Total decisions
613 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings