Double sectional garage doors
A double sectional garage door is a single wide sectional door that spans a two-car opening, typically around 4.3 to 4.9 metres wide, in place of two separate doors. Because it lifts vertically and parks under the ceiling, a double sectional keeps the whole drive clear and lets two cars use the full width of the opening.
- Any design: Ribbed, large rib, flush, cassette, woodgrain and glazed options.
- Window inserts: Rows of windows in one section for daylight.
- Wicket door: Integrated pedestrian door on selected ranges.

One wide door or two single doors?
If your garage has a central pier, two single doors may still make sense. If the opening is clear from side to side, one wide sectional door gives the most usable width and a cleaner look. On some properties removing a central pier is possible, but that is structural work needing proper design, not a decision to make on the doorstep.
Does a wider door need different springs?
Yes. A double door is far heavier than a single, so it runs on a larger spring set, usually torsion springs on a longer shaft, and heavier-gauge tracks and cables. These are sized to the exact door weight by the manufacturer.
Will a standard operator lift it?
Domestic operators come in ratings for different door areas. Wide doors need an operator rated for the size and weight, and on very wide or heavy doors a more powerful unit or a different drive arrangement is specified.
What sizes are common in the UK?
Many older double garages have openings of about 14 feet by 7 feet (roughly 4267 by 2134 mm) or 16 feet by 7 feet (about 4877 by 2134 mm). New builds vary, which is why every door is made to the measured opening rather than to a stock size.
Can a double door have a pedestrian door in it?
Some ranges offer an integrated wicket door within a sectional door. It is useful on wide doors where there is no separate side door, though it adds cost and has threshold and width limits.
How long does fitting take?
A double sectional door is still usually a one-day job for a two-person team, including removal of the old door, unless the opening needs building work first.
What options are there?
- Any designRibbed, large rib, flush, cassette, woodgrain and glazed options.
- Window insertsRows of windows in one section for daylight.
- Wicket doorIntegrated pedestrian door on selected ranges.
- Heavier operatorOperator rated for the door area and weight.
- Matching side doorPedestrian door in the same finish.
Key facts
| Typical widths | About 4267 mm (14 ft) to 4877 mm (16 ft), made to measure |
|---|---|
| Springs | Larger spring sets sized to door weight |
| Operation | Electric recommended; manual possible on some sizes |
| Fitting | Usually one day for a two-person team |
| Opening | Vertical, parks under the ceiling |
| Guide price | £3,295–£4,995 inc VAT |
Who is it for?
Best suited to two-car garages, wide openings and new builds where the drive needs to stay clear.
Do I need permission?
Replacing a garage door does not normally need planning permission anywhere in the UK. The usual exceptions are listed buildings, conservation areas, Article 4 areas in England and newer estates where planning conditions restrict changes to garages. Planning rules by nation →
Questions people ask
How much is a double sectional garage door?
A double insulated sectional door, supplied and fitted with an electric operator, is typically around £3,295–£4,995, depending on width, finish and glazing.
Can you replace two single doors with one double sectional?
Only if the central pier can be removed safely. That needs structural assessment and often a new lintel, which is arranged separately before the door is ordered.
Is a double sectional door heavy to open by hand?
When it is correctly balanced, the springs carry most of the weight. Even so, most people choose electric operation on a double.
Do I need more headroom for a double door?
Headroom depends more on the track and spring system than the width. Where headroom is tight, a low-headroom version is available.
Can the door be made to a non-standard width?
Yes. Sectional doors are made to measure, so non-standard widths and heights are normal.
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