Bungalow and upward extensions · Thetford

Bungalow and upward extensions in Thetford

We take on bungalow and upward extensions in Thetford as a complete project: survey, drawings, planning or permitted development checks, building control and the construction itself.

Covering Thetford

Our coverage around Thetford (IP24) also includes Bury St Edmunds (12 miles to the south) and Diss.

Homes in the East of England

Housing in the East of England ranges from post-war estates and modern developments to timber-framed and period homes in historic towns, so permitted development checks and conservation controls both feature regularly.

What do you get with an upward extension?

The first question is whether the existing walls and foundations can carry the extra load, so we start with a structural survey. Then we design either a full first floor or a raised roof with dormers, handle planning or prior approval, and build the new storey while protecting the floor below.

  • New first-floor structure, walls and roof
  • Staircase and changes to the ground floor layout
  • Full fit-out of the new rooms

How much should I budget for an upward extension?

What bungalow and upward extensions typically cost. These are guide ranges; the written quote for your house replaces them.

Bungalow and upward extensionsGuide 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

Do you need permission for an upward extension in Thetford?

Projects in England go through two separate checks. Planning (or confirmation that the work is permitted development) comes from the district, borough or unitary council, and building regulations approval comes from the council’s building control team or a registered building control approver. Where work touches a shared wall or digs near a neighbour’s foundations, the Party Wall etc. Act 1996 applies.

In England, Class AA permitted development allows an extra storey on many detached and semi-detached houses built between July 1948 and October 2018, subject to a prior approval application covering design, neighbours’ amenity and other matters. Houses in conservation areas and other protected land need full planning permission, as do most chalet conversions with front dormers.

What can affect an upward extension?

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

What happens after I enquire?

  1. Tell us about the project. Call, use the guide price tool or send the form with a few photos and a postcode.
  2. Free site visit. We measure up, look at access, drains and the structure, and talk through options and budget.
  3. Price and paperwork. The design is priced line by line, and we submit the planning and building control applications.
  4. Construction and completion. One site lead co-ordinates every trade through to the building control certificate.

Your questions answered

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.

How long does it take?

About 12 to 24 weeks on site.

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

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

Bungalow and upward extensions near Thetford

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

Planning an extension, loft or new home?

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