- Postcode district
- BN11
- 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
- Shoreham-by-Sea, Littlehampton, Arundel
- Building rules
- England
External pocket sliding doors in Worthing: what to know
These are the points a surveyor will go through with you when you choose external pocket sliding doors for a home in Worthing:
Solid brick, cavity block or timber frame: the way your Worthing wall is built decides how the pocket is formed, which is why the survey looks at it closely.
If the wall beside your Worthing patio opening is free of windows, radiators and sockets, it may be long enough to take a pocket so the panels disappear completely.
- Parked inside the wall, open panels are protected from weather and knocks, and garden furniture can sit right up to the edge of the opening.
- A removable access panel on the inside of the pocket wall lets the rollers be reached and adjusted without opening up the plaster.
- 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.
Light and sun in Worthing
At the latitude of Worthing, the midday sun climbs to about 63° in late June but only about 16° in late December, when daylight lasts around 7 h 56 min against 16 h 31 min in midsummer. A south-facing external pocket sliding door lets that low winter sun deep into the room; on a west or south elevation, solar-control glass keeps summer afternoons comfortable.
Typical costs for external pocket sliding doors around Worthing
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 |
| 2.4 m | 2 panels | £7,495–£9,195 |
| 3.6 m | 2 panels | £9,295–£11,395 |
See every size on the external pocket sliding doors page or try the guide price tool.
How fitting works in Worthing
Surveys in the BN11 district are booked at a time that suits you. Once the opening is ready and measured, manufacture is typically 6–8 weeks from survey sign-off; on fitting day the frame is set level and sealed, and the panels are adjusted so they glide properly. Fitting usually takes 3–5 days of building work to form the opening and pocket, then 1–2 days to fit the door.
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.
Which options matter for external pocket sliding doors?
- System type. Standard aluminium, slimline or lift and slide pocket systems, chosen to suit panel weight and sightlines.
- Glass. Double or triple glazed safety glass, with laminated or solar-control units as needed.
- Pocket side. A single pocket to one side, or pockets on both sides so a wide door parts in the middle.
Questions about external pocket sliding doors in Worthing
Do I need building approval for external pocket sliding doors in Worthing?
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 do you maintain rollers inside a wall pocket?
You maintain pocket door rollers through the access panel built into the inside of the pocket wall, which lets the track be vacuumed and the rollers adjusted without opening up the wall. Keep the outside drainage channel clear so water cannot back up into the pocket, and run the panels fully in and out now and then. If a panel starts to rub inside the pocket, a small roller height adjustment through the access panel usually cures it.