- Postcode district
- NG31
- 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
- Sleaford, Newark-on-Trent, Bingham
- Building rules
- England
Why choose external pocket sliding doors in Grantham?
These are the points a surveyor will go through with you when you choose external pocket sliding doors for a home in Grantham:
For a Grantham extension still at the drawing stage, planning the pocket wall now is far simpler than rebuilding a finished wall later.
Solid brick, cavity block or timber frame: the way your Grantham wall is built decides how the pocket is formed, which is why the survey looks at it closely.
- A removable access panel on the inside of the pocket wall lets the rollers be reached and adjusted without opening up the plaster.
- A lined and drained pocket carries rainwater running along the track out of the wall, protecting the structure as well as the rollers.
- Insulating the pocket wall and sealing the panel edges limits heat loss through the cavity, helping the wall beside the door perform like the rest of the house.
Planning glass for the light in Grantham
Sun angles matter for big glazed doors. Around Grantham, midday sun reaches about 61° in summer and drops to about 14° in winter. That low winter sun is free heat through south-facing glass; high summer sun is easier to shade with a roof overhang, and solar-control glass helps where there is none.
External pocket sliding doors prices in Grantham
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) |
|---|---|---|
| 3.0 m | 2 panels | £8,395–£10,295 |
| 3.6 m | 2 panels | £9,295–£11,395 |
| 4.0 m | 2 panels | £9,895–£12,095 |
See every size on the external pocket sliding doors page or try the guide price tool.
Timescales for external pocket sliding doors in Grantham
Nothing is ordered until you sign off the surveyed specification. The door is made from the finished opening sizes (typically 6–8 weeks from survey sign-off), and fitting usually takes 3–5 days of building work to form the opening and pocket, then 1–2 days to fit the door. If you are in Sleaford or Newark-on-Trent, the same process and prices apply.
Do you need approval in Grantham?
A new or wider opening in England needs Building Control approval for the structural work as well as compliance for the door itself under Approved Documents L and K. Expect structural calculations, a steel beam and, where a party wall is involved, notices under the Party Wall etc. Act 1996.
Choosing the specification
- Pocket side. A single pocket to one side, or pockets on both sides so a wide door parts in the middle.
- Internal finish. Plastered, panelled or tiled finishes on the pocket wall, with the access panel set discreetly into it.
- 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 Grantham
Is the price different in Grantham?
No. Guide prices for external pocket sliding doors are the same across mainland Britain, including Grantham. The fitted price depends on size, system, glass and finish, and any structural work, all fixed in your written quote after survey.
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.
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 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.