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.
Whatever type of house you own in Cardiff, we start by looking at how bifold or sliding doors would fit it rather than offering a standard package. We cover CF10, CF11 and CF24 and neighbouring places such as Penarth, Caerphilly and Barry. One named person looks after you from survey to handover, and nothing is booked until you hold our figure in writing, fixed for the work described.
- Guide price
- £2,800–£7,400 inc VAT
- Time on site
- 1–2 days to fit into a ready opening
- Postcodes
- CF10, CF11 and CF24
- Planning rules
- Wales
- Local area
- South Glamorgan
- Survey
- Free, with a written quote
What should you budget for bifold or sliding doors in Cardiff?
Use the table to gauge the cost of bifold or sliding doors in Cardiff before we visit. Figures include VAT and are scaled for Wales, coming out about 8% below the national guide, which gives £2,800–£7,400 overall. After a free survey, you receive a fixed written price.
| Type of job | What it usually involves | Guide in Cardiff |
|---|---|---|
| uPVC sliding or French doors | Standard uPVC doors fitted into an existing opening of up to about 2m. | £1,400–£2,800 |
| 3m aluminium bifold | A three-panel aluminium bifold in a standard colour, fitted into a ready opening. | £3,200–£6,400 |
| Wide bifold or slimline slider | Openings of 4m or more and slim-frame doors, often with a new steel above. | £6,400–£13,000 |
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
- Glazing upgrades such as solar control or triple glazing
- Threshold type, colour choice and built-in blinds
Scope of the work
- 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
- Removal of existing doors or windows and disposal of waste
- Level or low threshold options to suit your patio
- Opening widened with a new lintel or steel where agreed
Local housing and bifold or sliding doors
Cardiff has large areas of bay-fronted Victorian and Edwardian terraces in districts such as Roath, Canton and Cathays, plus interwar suburbs, post-war estates and modern flats around Cardiff Bay. Penarth has Victorian villas, Barry mixes terraces with newer estates, and Vale of Glamorgan villages are often built of local limestone.
Terraces commonly suit loft conversions, side-return and rear extensions, and bay window renewal. Suburban semis take side extensions and driveways, and stone village homes need lime-based repairs.
That mix of housing shapes how we approach bifold or sliding doors in Cardiff: the age and construction of your home affect the materials, the method and, in the end, the price.
Permissions for bifold or sliding doors in Cardiff
For anyone in Cardiff, the relevant framework is Wales's. The summary below is general, so we always contact the council about your address before putting a price in writing.
In Wales, replacing windows and doors on a house usually needs no planning permission if the new ones are similar in appearance. Listed buildings, flats and some conservation areas are controlled, so the council should be asked first.
Building Regulations in Wales apply to replacement windows and doors, covering energy performance, ventilation and escape routes. A registered competent person can self-certify the work, or building control inspects it.
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?
A visit to your home
A free survey comes first. It gives us what we need to price bifold or sliding doors properly, including dimensions, existing materials and access for deliveries, and gives you the chance to ask anything you like.
Quote in writing
We turn the survey notes into a written quote. The price is fixed for the specification we agree, and the document sets out materials, scope and payment stages in plain language.
Booking the work
With the quote agreed, we book the work in and handle preparation: permissions where needed, building control notifications, material orders and access arrangements for your Cardiff property.
Build and hand over
The work is carried out to the agreed specification, with floors and furniture protected and the site kept tidy. At the end we clean up, walk through the finished job with you and hand over any certificates.
What you can expect from us
Questions about bifold or sliding doors in Cardiff
How much will bifold or sliding doors cost in Cardiff?
As a guide, expect to pay £2,800–£7,400 including VAT for bifold or sliding doors in Cardiff. That range is adjusted for Wales, which runs about 8% below the national guide. Where your project lands depends on size, materials, access and the condition of what is already there. We confirm a fixed price in writing after a free survey of your home.
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.
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.
Will large glass doors make my room cold?
Large glass doors lose more heat than an insulated wall, but modern double glazing with thermally broken frames performs far better than older patio doors. Solar control glass helps stop south-facing rooms overheating in summer. In extensions, building control looks at the total glazed area, so heat-loss calculations may be needed. We can suggest glass specifications that balance light, warmth and cost.
How long do bifold doors take to make and fit?
Aluminium bifold and sliding doors usually take several weeks to manufacture after the survey, depending on the supplier and colour. Fitting into a ready opening normally takes one to two days, including sealing and finishing trims. If we are widening the opening, allow a few extra days for the structural work and making good before the doors arrive. We give you the expected timeline with your quote.
Near Cardiff
Addresses in CF10, CF11 and CF24 are all covered for Cardiff, along with Penarth, Caerphilly and Barry close by. Give us your postcode when you get in touch and we will confirm the details.