What is a bungalow loft conversion?

A bungalow loft conversion uses the large roof space of a bungalow to add bedrooms and a bathroom, turning it into a chalet bungalow. Dormers at the front, rear or both create headroom; some projects raise the roof entirely.
How much does a bungalow loft conversion cost in Keighley?
In Keighley, a bungalow loft conversion typically costs £42,000–£74,500 for a typical bungalow conversion with dormers, including VAT at 20% (standard rate). The guide for Keighley reflects typical costs in Yorkshire and the Humber, roughly 7% below the UK-wide figure. Design, structural calculations and council fees are extra.
| Size or type | Guide range |
|---|---|
| A typical bungalow conversion with dormers | £42,000–£74,500 |
| Higher specification | £74,500–£93,000 |
Your quote will depend mainly on:
- Number and size of dormers
- Whether the roof is raised
- Finishes
- Fire escape design
For a figure based on your own measurements, try the guide price tool, then book a free home visit for a fixed quote.
Do you need planning permission for a bungalow loft conversion in Keighley?
The approval route for Keighley is set by planning law in England. In England rear dormers on a bungalow are often permitted development within the 50 cubic metre volume limit. Front dormers, roof raises and conservation-area work need planning permission.
Where work involves a shared wall, building on the boundary, or digging foundations within 3 metres of a neighbour’s building and deeper than its foundations (or within 6 metres for deeper work), the Party Wall etc. Act 1996 applies and notices must be served before work starts.
At the survey we check your house’s planning history and any restrictions, and tell you which route applies.
What we handle
On a typical bungalow loft conversion we handle:
- Fire-safe escape windows or route
- Dormers or a raised roof
- Drawings and structural calculations
- New floor structure and staircase
- Survey and planning check
- Insulation, electrics, plumbing and plastering
How long does it take?
Allow 8 to 14 weeks on site. Allow time beforehand for drawings and approvals, usually 3 to 4 months.
Building in Keighley
In Yorkshire, through-terraces and back-to-backs have particular constraints, while semis and detached houses suit larger extensions.
Our Keighley coverage includes postcode districts BD21, and we also work in nearby places such as Bingley, Shipley and Guiseley.
How it works
- 01
Visit and measured survey
A free visit to understand the project, check access and take measurements.
- 02
Design and fixed quote
Drawings, structural calculations and an itemised, fixed price for the agreed specification.
- 03
Permissions sorted
Applications, building control and neighbour arrangements, all before the start date.
- 04
Build and handover
Work follows the agreed programme, with inspections along the way and a completion certificate at the end.
Questions about bungalow loft conversions in Keighley
Does it need planning permission?
Rear dormers are often permitted development; front dormers, roof raises and work in conservation areas need an application.
Where does the staircase go?
Usually from the hallway or a bedroom that becomes a landing. Losing a little ground-floor space is normal.
How much does a bungalow loft conversion cost in Keighley?
In Keighley, a bungalow loft conversion typically costs £42,000–£74,500 for a typical bungalow conversion with dormers, including VAT at 20% (standard rate). Your fixed price depends on the survey and drawings.
Will the bungalow still be valued as a bungalow?
It becomes a chalet bungalow. Whether that adds value depends on local demand.
Do you build bungalow loft conversions in Keighley?
Yes. We build bungalow loft conversions across Keighley, including postcodes BD21. Every project starts with a free home visit.
