- Postcode district
- PE21
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 6–8 weeks from survey sign-off
- Guide price
- From £6,595 inc VAT
- Nearby
- Spalding, Sleaford, Horncastle
- Building rules
- England
What external pocket sliding doors offer homes in Boston
A few practical points decide whether external pocket sliding doors suit a particular room and opening:
Want the whole width of your Boston kitchen open to the garden but prefer the look of sliders to bifolds? A pocket gives you both, at the cost of more building work.
If the only wall beside your Boston opening is shared with a neighbour, check the pocket design and any steel bearing on it early, as the Party Wall etc. Act 1996 (England and Wales) may apply.
- Pockets can be formed on one side or both, so a wide opening can part in the middle with panels sliding away in each direction.
- A removable access panel on the inside of the pocket wall lets the rollers be reached and adjusted without opening up the plaster.
- With every panel slid into the wall, the full width of the opening is clear, so the room and terrace join without a fixed panel in the way.
Planning glass for the light in Boston
Because Boston sees long summer days (about 16 h 56 min) and short winter ones (about 7 h 34 min), the elevation your door faces makes a real difference. With the midday sun at about 14° in winter, a south-facing door brings light well into the room; a west-facing door catches hot late-afternoon sun in summer.
External pocket sliding doors prices in Boston
Guide prices include the door, fitting and structural calculations, including VAT. They include forming the opening and the pocket in the wall; Building Control fees are set by your council and are extra.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.8 m | 1 panel | £6,595–£8,095 |
| 2.1 m | 1 panel | £7,095–£8,595 |
| 4.8 m | 3 panels | £11,095–£13,595 |
See every size on the external pocket sliding doors page or try the guide price tool.
Timescales for external pocket sliding doors in Boston
Here is the usual sequence in Boston: guide price, free survey, written quote, any building work, then manufacture (typically 6–8 weeks from survey sign-off). Fitting typically takes 3–5 days of building work to form the opening and pocket, then 1–2 days to fit the door. Nearby, we also survey in Spalding, Sleaford and Horncastle.
Rules for external pocket sliding doors in England
In England, forming or widening an opening is structural work that needs a Building Regulations application, structural calculations and usually a steel beam on padstones. The new door is also a controlled fitting (U-value 1.4 W/m²K or better if more than 60% glazed). If steelwork bears on a party wall, the Party Wall etc. Act 1996 may apply.
Specification choices for external pocket sliding doors in Boston
- Pocket side. A single pocket to one side, or pockets on both sides so a wide door parts in the middle.
- Threshold. Low or flush thresholds, with the external drainage channel continuing past the pocket.
- Colours. Single or dual colour powder coating, so the exposed edge of the panel matches the frame inside and out.
Questions about external pocket sliding doors in Boston
Do I need building approval for external pocket sliding doors in Boston?
In England a replacement door is a controlled fitting, so compliance is arranged through a competent person scheme installer or Building Control; new openings need a Building Regulations application. We confirm the right route for your property at survey, so the paperwork is in place before fitting.
How wide can an external pocket sliding door be?
An external pocket sliding door in our range typically gives a clear opening of about 1.8 m to 6 m, using one panel at the narrow end and two or three panels on wider doors. Wider openings usually use pockets on both sides, or a multi-track pocket so the panels stack inside the wall. Sizes are confirmed after survey and the engineer's design.
Does a pocket in the wall cause heat loss?
A pocket in the wall does not have to cause significant heat loss if it is insulated, lined and sealed as part of the design, and the door itself typically achieves whole-door U-values around 1.2–1.6 W/m²K double glazed. In England, a new door in an existing home with more than 60% glazing must achieve 1.4 W/m²K or better. Wales, Scotland and Northern Ireland have their own energy rules.
How much wall do I need for an external pocket door?
An external pocket door needs a clear length of wall beside the opening at least as long as the panels that slide into it, plus a little for the frame. For a single 2 m panel that means just over 2 m of wall with no windows, radiators, sockets or pipes in it. A two-sided pocket splits the panels between both sides, so each side needs less length.