Wiltshire · Windows & Doors

Bifold and sliding doors in Trowbridge

Guide price £3,100–£8,200 including VAT, typically 1–2 days to fit into a ready opening, with a free site survey and a written fixed price.

Open aluminium bifold doors between a kitchen extension and a patio

Free survey in Trowbridge

Tell us about the job and we will be in touch to arrange a visit.

Prefer to talk? Call 0800 088 6341 or start a live chat.

Bifold doors are glazed panels that fold and stack to one side to open up a wide gap, while sliding doors glide past each other on tracks; both connect a living space to the garden and bring in more daylight.

For a homeowner in Trowbridge, planning bifold or sliding doors tends to begin with two questions: what will it cost, and how disruptive will it be? Our guide range is £3,100–£8,200 including VAT, and a typical job runs to 1–2 days to fit into a ready opening. Both numbers firm up once we have seen the property, measured up and agreed exactly what is included.

Guide price
£3,100–£8,200 inc VAT
Time on site
1–2 days to fit into a ready opening
Postcodes
BA14
Planning rules
England
Local area
Wiltshire
Survey
Free, with a written quote

Bifold and sliding doors prices in Trowbridge

No two jobs cost exactly the same, but the ranges below give a fair picture of bifold or sliding doors in Trowbridge. Pricing for the South West runs about 2% above the national guide, and the overall guide is £3,100–£8,200 with VAT included. We'll confirm your figure after surveying the property for free.

Type of jobWhat it usually involvesGuide in Trowbridge
uPVC sliding or French doorsStandard uPVC doors fitted into an existing opening of up to about 2m.£1,550–£3,100
3m aluminium bifoldA three-panel aluminium bifold in a standard colour, fitted into a ready opening.£3,600–£7,100
Wide bifold or slimline sliderOpenings of 4m or more and slim-frame doors, often with a new steel above.£7,100–£14,500

The main things that change the figure:

  • Width and height of the opening and number of panels
  • Frame material: uPVC, standard aluminium or slimline aluminium
  • Widening the opening with a new steel beam
  • Threshold type, colour choice and built-in blinds

What’s included?

  • Measured survey of the opening, lintel and floor levels
  • Made-to-measure bifold, sliding or French doors in your chosen colour
  • Toughened double glazing as standard, with solar control options
  • Opening widened with a new lintel or steel where agreed
  • Weather seals, cills and internal trims finished neatly
  • Building regulations sign-off arranged for the new doors
Aluminium bifoldSlim, strong frames that fold back fully, the usual choice for wide openings onto a garden.
uPVC bifoldA lower-cost bifold suited to smaller openings, with a similar folding action and locks.
Sliding patio doorLarge panes that slide past each other, giving bigger views with fewer frames.
French doorsA pair of hinged doors, ideal for narrower openings of up to about 1.8m.

Local housing and bifold or sliding doors

Salisbury has medieval and Georgian streets, the north-west around Corsham and Bradford on Avon uses Bath stone, and chalk and flint appear on the downland. Swindon has railway-village terraces and very large post-war and modern estates, and many Wiltshire villages have thatched cottages, some with chalk cob walls.

Cob and Bath stone walls need breathable, lime-based repairs, and thatched cottages may need careful roof work. Swindon's railway terraces suit loft rooms and rear extensions, while its large estates often add garage conversions, driveways and landscaping.

Building traditions across Wiltshire also raise conservation and planning questions, so we check those for bifold or sliding doors in Trowbridge at the survey stage.

Permissions for bifold or sliding doors in Trowbridge

Each UK nation sets its own consent rules, and Trowbridge is in England. What follows is a plain summary; we check the specifics for your property with the council before pricing anything.

Replacing windows and doors on a house is usually permitted development in England when the new ones look broadly similar to the old. Flats, listed buildings and homes covered by an Article 4 direction can need consent, and conservation areas may limit materials or styles.

Replacement windows and external doors must meet Building Regulations for energy efficiency, ventilation and, on upper floors, escape. The work is either self-certified by an installer registered with a competent person scheme or signed off by building control.

Rules change and every property is different, so we check the planning history and constraints for your address before we quote.

What happens after you get in touch?

  1. We look at the job

    We arrange a free site survey on a date convenient to you. We measure up, look at the existing structure and access, and discuss your plans for bifold or sliding doors so the price reflects your home.

  2. Price and scope agreed

    You get the price in writing, itemised so you can see where the money goes. As long as the specification stays the same, that is the price you pay for bifold or sliding doors.

  3. Dates and permissions

    Preparation matters as much as the build. We agree access, parking and working hours with you, order materials in good time, and confirm any permissions so the job isn't held up once it starts.

  4. Build and hand over

    On site, the agreed plan is followed and any change is put in writing first. At completion we do a final clean, go through the snagging list with you and leave you with the relevant documents.

What you can expect from us

Permissions checked firstWe check whether planning permission or building control approval is needed for your property, and handle applications and notices where they apply.
Tidy, protected work areasFloors, furniture and access routes are covered and protected while we work, and the site is tidied at the end of every working day.
Changes agreed in writingIf something needs to change once work is under way, we explain why and confirm the cost or saving in writing before carrying on.
Coverage across the UKWe take on projects in England, Wales, Scotland and Northern Ireland, and plan each one under the rules for the nation it is in.

Questions about bifold or sliding doors in Trowbridge

Who do I deal with during the job?

One point of contact manages your project from survey to handover. They schedule the trades working under our contract, keep you updated on progress, and are the person to call with any question. You don't need to coordinate builders, electricians or decorators separately, because that is part of what we do.

Can you fit bifold doors where I have a window now?

Bifold doors can usually replace a window by cutting the wall down to floor level and, if the opening is being widened, fitting a new lintel or steel beam. A structural engineer sizes the beam, and building control approval is needed. Radiators, pipes and cables under the window may need moving. We check all of this at the survey and include it in a single written quote.

Are bifold doors secure?

Modern bifold and sliding doors are designed to be secure, with multi-point locks, shoot bolts into the frame, internally beaded glass and toughened or laminated glazing. The traffic door, which you use day to day, has a cylinder lock that can take an anti-snap barrel. Sliding doors also have anti-lift features. We explain the locking on each option so you can compare like for like.

Which postcodes in Trowbridge do you cover?

We cover BA14, along with the rest of Wiltshire. If your postcode is not listed, get in touch anyway: our coverage is UK-wide, and we can usually arrange a survey wherever you live. Enter your postcode in the guide-price tool or contact form and we will confirm.

How do I maintain bifold doors?

Bifold doors need simple, regular care to keep them running smoothly. Vacuum or brush grit out of the bottom track every few weeks, wipe the frames with warm soapy water and avoid abrasive cleaners. Once or twice a year, lubricate the rollers, hinges and locks with a silicone spray. If the panels start to drop or catch, the hinges can usually be adjusted rather than replaced.

Also covering areas around Trowbridge

From BA14 to the edges of Trowbridge and on into Melksham, Bath and Frome, we can arrange a site visit and a written quote for your project, planned around dates that work for you.

Planning bifold or sliding doors in Trowbridge?

Planning bifold or sliding doors in Trowbridge? Ask us to survey the property and quote in writing, or get a guide price online first using a few simple questions.

Call freeFree quote