Wiltshire · England
Bifold Doors in Wiltshire
Existing bifolds in Wiltshire dragging, dropping or refusing to lock? We can survey them and quote for adjustment or a new, made-to-measure set.
- Guide from £3,595
- 8 towns covered
- Postcode areas BA, SN, SP
Aluminium bifold doors for homes and businesses in Wiltshire
Creating a new bifold opening in an external wall is structural work that needs building regulations approval and a correctly sized lintel or steel beam. Replacing existing doors in the same opening is simpler. Planning permission may also be needed for new openings in listed buildings, flats or conservation areas.
Aluminium is the usual material for bifold doors because its strength allows slim, stiff panels that hold heavy double or triple glazed units without distorting. uPVC bifolds cost less but have bulkier frames and suit smaller openings. Engineered timber bifolds offer a natural finish but need periodic re-coating.
In England, replacement doors with more than 60% of the internal face glazed should achieve a U-value of 1.4 W/m²K or a Doorset Energy Rating of band C under Approved Document L. New openings in extensions are assessed with the whole extension, and large glazed areas may need energy calculations.
Security on bifold doors comes from multi-point locks on the traffic door, shoot bolts top and bottom on the folding panels, internally glazed beads, anti-lift track design and hinges that cannot be removed from outside. Ask whether the system has been tested to PAS 24 and fit an anti-snap cylinder.

Towns we cover for bifold doors in Wiltshire
Choose your town for local details, nearby areas and the postcode districts we cover.
What applies in Wiltshire
Approved Document K requires safety glass in critical locations in England: glazing in doors and in side panels within 300 mm of a door, up to 1500 mm above floor level, and any glazing in walls or partitions up to 800 mm above floor level.
Approved Document L sets the minimum energy performance for replacement windows and doors in existing homes in England: a U-value of 1.4 W/m²K, or Window Energy Rating band B for windows; doors can instead meet a Door Set Energy Rating (band B, or band C for doors more than 60% glazed); rooflights need 2.2 W/m²K.
Wiltshire is inland, around 32 km from the nearest coast at its closest point, so salt exposure is rarely a factor.
Long, heavy bifold panels need planned access through the house or a side passage, and parking close by for unloading. In terraces and flats, check permitted development rights, freeholder consent and conservation area rules before ordering.
Guide prices
| Typical job | Guide price inc VAT |
|---|---|
| Aluminium bifold, 2400 mm wide | £4,295 – £5,495 |
| Aluminium bifold, 3000 mm wide | £5,095 – £6,595 |
| Aluminium bifold, 4800 mm wide | £7,495 – £9,595 |
| uPVC bifold, 3000 mm wide | £3,595 – £4,595 |
Choosing your bifold doors
Glass specification
Toughened low-E double glazing as standard, with triple glazing, laminated security glass or solar-control coatings available.
Panel configuration
From two to seven or more panels, folding left, right or splitting both ways, with or without a separate traffic door.
Low or flush threshold
A low-profile track for near level access between inside and out, paired with drainage outside and some shelter.
uPVC bifolds
A lower-cost option with bulkier frames, suited to smaller openings with fewer panels, available in white, grey and woodgrain foils.
Bifold Doors in Wiltshire: questions
Do bifold doors leak or let in draughts?
Well-made bifold doors fitted level and square should keep out wind and rain, but they rely on accurate installation, a sound lintel and working drainage. Leaks usually come from blocked track drainage, a flush threshold on an exposed elevation or panels that have dropped out of adjustment. Keeping the tracks clean prevents most problems.
How much do bifold doors cost?
The cost of bifold doors depends on the opening width and height, number of panels, material, colour, glass, threshold type and the condition of the opening. Aluminium usually costs more than uPVC, and wider sets, triple glazing and special finishes add more. See the guide prices for typical ranges; the written quote fixes the price for your specification.
Should bifold doors open inwards or outwards?
Outward-opening bifold doors are more common because the stacked panels sit outside and leave the room clear. Inward opening suits balconies, raised decks or tight patios where outward panels would block the space. The direction also affects weather performance and furniture layout, so it is decided at survey with the room plan in mind.
Bifold or sliding doors: which should I choose?
Bifold doors suit you if you want almost the whole opening clear in summer, because the panels fold and stack to the side. Sliding doors suit you if you want the fewest frames and the widest view when closed, because large panels glide past each other. Many people decide by how often they will fully open the doors.
Which parts of Wiltshire do you cover for bifold doors?
We cover the whole of Wiltshire, including Swindon, Salisbury, Trowbridge, Chippenham and Warminster, and postcode areas BA, SN, SP. Building rules for bifold doors here follow the regulations for England. Enter your postcode on the quote form and we will confirm cover; then a glazier will arrange a free survey before giving you a written quote.
Other glazing services in Wiltshire
- Replacement Glass in Wiltshire
- Misted Glass Repair in Wiltshire
- Emergency Glazing in Wiltshire
- Safety Glass in Wiltshire
- Window Repairs in Wiltshire
- Window Film in Wiltshire
- uPVC Windows in Wiltshire
- Aluminium Windows in Wiltshire
- Sash Windows in Wiltshire
- Composite Doors in Wiltshire
- Sliding Doors in Wiltshire
- Secondary Glazing in Wiltshire
- Roof Lanterns in Wiltshire
- Glass Balustrades in Wiltshire
- Frameless Glass in Wiltshire
- Shower Screens in Wiltshire
- Glass Splashbacks in Wiltshire
- Bespoke Mirrors in Wiltshire
- Glass Roofs in Wiltshire
- Shopfront Glazing in Wiltshire
- Curtain Walling in Wiltshire
- Glass Partitions in Wiltshire
- Property Glazing in Wiltshire
Get a written quote in Wiltshire
Free survey for new glazing, clear guide prices and one point of contact for every glazing job.