- Postcode district
- PO1
- 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
- Gosport, Fareham, Havant
- Building rules
- England
Is an external pocket sliding door a good fit for your home in Portsmouth?
Most homeowners choosing external pocket sliding doors want the same things: more light, a clear view and a door that is easy to live with.
However sheltered or exposed your Portsmouth home is, external pocket sliding doors need a drained pocket and a clear external channel so rainwater running along the track never sits inside the wall.
Want the whole width of your Portsmouth 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.
- A lined and drained pocket carries rainwater running along the track out of the wall, protecting the structure as well as the rollers.
- 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.
- 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.
Sunlight, glass and orientation in Portsmouth
In Portsmouth the shortest day has roughly 7 h 57 min of daylight and the longest about 16 h 31 min. The noon sun sits near 16° above the horizon in winter and 63° in summer — so glass that faces south collects useful warmth from October to March, while a west-facing door may need solar control to stop it overheating in July.
What should you budget for external pocket sliding doors in Portsmouth?
These figures are for the door supplied and fitted, with the engineer's 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. Your price is fixed in a written quote after survey.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 3.6 m | 2 panels | £9,295–£11,395 |
| 4.0 m | 2 panels | £9,895–£12,095 |
| 6.0 m | 3 panels | £12,895–£15,795 |
See every size on the external pocket sliding doors page or try the guide price tool.
Timescales for external pocket sliding doors in Portsmouth
Surveys in the PO1 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.
Do you need approval in Portsmouth?
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.
Specification choices for external pocket sliding doors in Portsmouth
- Threshold. Low or flush thresholds, with the external drainage channel continuing past the pocket.
- Glass. Double or triple glazed safety glass, with laminated or solar-control units as needed.
- System type. Standard aluminium, slimline or lift and slide pocket systems, chosen to suit panel weight and sightlines.
Questions about external pocket sliding doors in Portsmouth
Do you fit external pocket sliding doors in Portsmouth?
Yes. We survey and fit external pocket sliding doors in Portsmouth and across Hampshire, including nearby Gosport and Fareham. Start with a guide price online or call us, and we will arrange a free survey for a new or replacement door.
How much do external pocket sliding doors cost?
External pocket sliding doors start from a guide price of £6,595 for a 1.8 m single-panel door, fitted, inc VAT, at standard 2.1 m height, including forming the wall pocket. A 3 m two-panel door is a guide £8,395–£10,295, and a 6 m three-panel door is around £12,895. Wall construction, glass and finish affect the figure, which is fixed in a written quote after survey.
How long does an external pocket door project take?
An external pocket door typically takes 6–8 weeks to make after survey sign-off, and the building work to form the opening and pocket typically takes 3–5 days before the door goes in. Fitting the door then takes 1–2 days. Engineer design and Building Regulations approval come first, so the whole project runs longer than a straight door swap.
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.