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 Yarm?
In Yarm, a bungalow loft conversion typically costs £42,000–£74,500 for a typical bungalow conversion with dormers, including VAT at 20% (standard rate). Prices across Yorkshire and the Humber are typically 7% below the UK average for this kind of work, which is reflected in the range for Yarm. 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 |
The main things that change the cost:
- Number and size of dormers
- Bathrooms
- Fire escape design
- Staircase position within the bungalow
A guide range is only a starting point: the guide price tool gives an instant figure for your size, and a free survey turns it into a fixed quote.
Do you need planning permission for a bungalow loft conversion in Yarm?
Here is how the rules work for a bungalow loft conversion 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.
Building regulations approval comes from the council’s building control service or a registered building control approver. The work is inspected at key stages, such as foundations, drainage and insulation, and a completion certificate is issued at the end.
We check this for your address before design work starts, so there are no surprises later.
What we handle
What we take care of:
- Bathroom installation
- Dormers or a raised roof
- Building control sign-off
- New floor structure and staircase
- Drawings and structural calculations
- Fire-safe escape windows or route
How long does it take?
Expect 8 to 14 weeks on site. Design and approvals come first and typically take 3 to 4 months, depending on the approval route.
Building in Yarm
In Yorkshire, through-terraces and back-to-backs have particular constraints, while semis and detached houses suit larger extensions.
From TS15 outwards, we take on projects throughout Yarm and the surrounding parts of North Yorkshire.
How it works
- 01
Visit and measured survey
A free visit to understand the project, check access and take measurements.
- 02
Drawings and written quote
We prepare the design and give you a written, itemised quote with inclusions and exclusions.
- 03
Approvals in place
We handle planning, building control and neighbour notices before work starts.
- 04
Construction and completion
We build, put right any snags and hand over the building control certificate.
Questions about bungalow loft conversions in Yarm
How long does it take?
Around 8 to 14 weeks on site depending on the scope.
Do you build bungalow loft conversions in Yarm?
Yes. We build bungalow loft conversions across Yarm, including postcodes TS15. Every project starts with a free home visit.
Where does the staircase go?
Usually from the hallway or a bedroom that becomes a landing. Losing a little ground-floor space is normal.
Will the bungalow still be valued as a bungalow?
It becomes a chalet bungalow. Whether that adds value depends on local demand.
How much does a bungalow loft conversion cost in Yarm?
In Yarm, 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.
