Stockport · Greater Manchester
Bifold Doors in Stockport
Old patio doors in Stockport that leak, stick or let in draughts can be replaced with bifold doors that fold away to open up the room in summer.
- SK1
- SK3
- SK4
- Guide from £3,595
Stockport: aluminium bifold doors
The number of panels sets how the doors open. Odd numbers, such as three or five panels, usually include a traffic door that opens on its own for everyday use. Even numbers can split to both sides. Panels can fold inwards or outwards, and outward folding keeps the room clear.
Bifold doors run on rollers along a track, either top-hung with the weight carried by the head or bottom-rolling with the weight on the threshold. Top-hung systems depend on a strong, stiff lintel or steel above, so the glazier checks support before ordering, because sagging heads cause doors to bind.
Thresholds range from a raised weathered sill to a low or flush threshold for level access between floor and patio. Low thresholds rely on drainage outside, such as a slot drain, and some shelter from driving rain. The right choice depends on exposure, patio levels and how the doors are used.
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.
What's included
- Written guarantee terms and advice on building regulations sign-off
- Toughened or laminated safety glass to every panel
- Fitting, levelling, adjusting and sealing the frame
- Survey of the opening, support above and floor levels

Working in Stockport
- Postcodes covered
- SK1, SK3, SK4 and the surrounding area, including Hazel Grove, Cheadle Hulme and Denton
- Coast
- Stockport is well inland, around 41 km from the nearest coast, so salt exposure is not usually a factor.
- Daylight and sun
- In Stockport the midwinter sun reaches about 13° above the horizon at noon, with roughly 7.2 hours of daylight, rising to about 60° and 16.8 hours in midsummer. A wide bifold opening on a south or west-facing wall brings in strong sun and can overheat a room, so solar-control glass or integral blinds may help. North-facing bifolds benefit from high light-transmission low-E glass to make the most of winter daylight.
- Access and setting
- 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.
- Rules in England
- 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.
Guide prices in Stockport
| 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 |
Get a guide price for your size
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.
What you can choose
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.
Aluminium bifolds
Slim, stiff thermally broken panels that carry large glass units, powder coated in a wide range of colours and finishes.
Bifold Doors in Stockport: questions
Are bifold doors secure?
Good bifold doors are secure when the traffic door has a multi-point lock and anti-snap cylinder, the other panels have shoot bolts top and bottom, the glass is internally beaded and the hinges and track resist lifting. Ask whether the system has been tested to PAS 24, and consider laminated glass for ground-floor doors.
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.
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.
How long does it take to fit bifold doors?
Fitting a typical set of bifold doors takes one to two days on site, depending on width, removal of old doors and making good around the opening. The doors are manufactured to the survey sizes first, and the lead time depends on the system and colour; it is confirmed in writing when you accept the quote.
Do you cover Stockport for bifold doors?
Yes. We can quote for bifold doors across Stockport and the surrounding Greater Manchester area, including postcode districts SK1, SK3 and SK4, and nearby Hazel Grove, Cheadle Hulme and Denton. Start with your postcode on the quote form and a glazier will arrange a free survey before giving you a written quote.
Get a written quote in Stockport
Free survey for new glazing, clear guide prices and one point of contact for every glazing job.