This is not Calderdale's planning register. To look up or comment on a live application, use the council's own site: search Calderdale's register.
92% of the 36 rear extensions Calderdale decided between July 2026 and November 2026 were approved; half were decided within 56 days. Plan Forecast, 6 November 2026.
Time to decide: half were decided within 56 days, counted from the day the application was valid (or received, where the register gives no valid date) over the 36 decisions with both dates.
Recent decisions
Real decisions, newest first. Addresses are reduced to the street here; the council publishes them in full on its own register.
Overwood Trimmingham Road Halifax
ApprovedPrior Approval application for the proposed single storey rear extension for disabled person, extending out by 6 metres, maximum height 2.8 metres, 2.5 metres to eaves
Decided 2 November 2026 26/42013/42DAYS
Ashbourne Grove Halifax
ApprovedPrior approval application for proposed single storey rear extension, extending out by 3.5 metres, maximum height 3.8 metres, 2.5 metres to eaves.
Decided 2 November 2026 26/42016/42DAYS
Moor End Road Halifax
ApprovedSide and rear extensions and raising the roof to create bedrooms
Decided 28 October 2026 26/00474/HSE
Before you apply
- Do I need planning permission for a rear extension?
- Do I need Building Regulations approval for a rear extension?
Free check
Check your extension
Put a pin on your house, describe the work, and see it measured against each permitted development limit, with the clause it comes from. A guide, not a guarantee.
Other work in Calderdale
Questions people ask
What percentage of rear extensions does Calderdale approve?
92% were approved, over 36 decisions that went one way or the other. Calderdale's figure across all types of work is drawn from 279 decisions.
How many rear extensions has Calderdale decided?
36 that went one way or the other, from July 2026 to November 2026.
Get the forecast for your address
The figures above are the council. A forecast is your postcode: the same rate, the time a decision takes, and what happened on nearby streets. Free, and we email it to you.