Bungalow and upward extensions in Colwyn Bay

Covering Colwyn Bay

Colwyn Bay is about 35 miles north-west of Wrexham. We also cover Rhyl (10 miles to the east), Bangor and Llangefni.

Homes in Clwyd

Welsh homes include long terraces built into hillsides, stone cottages and modern estates, and sloping sites often shape how and where an extension can go.

What is an upward extension?

An upward extension adds a new storey on top of an existing house, most often turning a bungalow into a two-storey or chalet-style home. It can double the floor area without using any of the garden.

Planning and building regulations checks under Welsh rules
Staircase and changes to the ground floor layout
Full fit-out of the new rooms

What is the guide price for an upward extension in Colwyn Bay?

Typical ranges for bungalow and upward extensions. Ground conditions, access and specification move the final figure, which we fix in writing before work starts.

Bungalow and upward extensions	Guide price incl. VAT
Chalet conversion with dormers (total)	£45,000 to £85,000
New first floor, standard specification	£2,200 to £2,800 per m²
New first floor, good specification	£2,800 to £3,300 per m²
New first floor, high specification	£3,300 to £3,800 per m²

What approvals does an upward extension need in Wales?

Welsh projects need planning clearance from the council under Welsh rules, building regulations approval under the Welsh approved documents, and party wall notices where the work affects a neighbour’s wall or foundations.

Adding a storey in Wales needs planning permission.

What can change the price or programme?

The staircase takes space from the ground floor plan.
The house is exposed while the roof is off, so the sequence is planned tightly.

How does the project run?

Send us the details. Give us a postcode, a rough idea of size and some photos, by phone, form or the guide price tool.
Survey at your house. We look at the existing structure, services and access, and agree what the design needs to achieve.
Drawings, approvals, written quote. We prepare the design, apply for the approvals it needs, and give you a fixed price in writing.
Build and hand over. Our teams build to the programme, building control inspects, and you get the completion paperwork at the end.

What people ask before starting

Can I add a first floor to my bungalow?

Often yes, if the walls and foundations can carry the load and planning allows. We check the structure first.

Do we need to move out?

Often for part of the job, while the roof is off and the new floor is formed. We plan this with you.

How do I get a price for bungalow and upward extensions in Colwyn Bay?

Use the guide price tool for a ballpark figure, then book a visit for a fixed written price for the agreed specification.

Other towns nearby

Learn more about bungalow and upward extensions, or see every project we cover in Colwyn Bay.