- Postcode district
- PO1
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 2–4 weeks for uPVC or 4–6 weeks for aluminium, from survey sign-off
- Guide price
- From £1,995 inc VAT
- Nearby
- Gosport, Fareham, Havant
- Building rules
- England
Is a tilt and slide door a good fit for your home in Portsmouth?
These are the points a surveyor will go through with you when you choose tilt and slide doors for a home in Portsmouth:
Where an old patio door in Portsmouth rattles or lets in draughts, a sash that seals on all four edges is a practical fix that keeps the same opening.
For a flat in Portsmouth, check your lease or title deeds and speak to the managing agent, factor or other owners before replacing a balcony door, since flats can need consent that houses do not.
- Made in both uPVC and aluminium, in white, foiled or powder-coated colours, a tilt and slide door can match the windows around it.
- The sash moves forward and slides parallel in front of the fixed pane, so nothing swings into the room and the floor beside the door stays usable.
- When closed, the sash is drawn back into the frame and presses onto gaskets on all four edges, giving a window-like seal against draughts and driving rain.
Planning glass for the light 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.
How much do tilt and slide doors cost in Portsmouth?
Pricing is transparent and does not change because you are in Portsmouth. The ranges below cover a standard-height door, fitted, with VAT; options are itemised in your quote.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.5 m | 2 panels | £1,995–£2,495 |
| 1.8 m | 2 panels | £2,195–£2,695 |
| 2.1 m | 2 panels | £2,395–£2,895 |
See every size on the tilt and slide doors page or try the guide price tool.
From survey to fitted door in Portsmouth
Once the opening is measured, nothing is ordered until you sign off the specification. Lead time is typically 2–4 weeks for uPVC or 4–6 weeks for aluminium, from survey sign-off. Our fitters protect floors, remove the old door, install and seal the new one and leave the area clean — usually 1 day for a straight swap in an existing opening for a door like this.
Do you need approval in Portsmouth?
English Building Regulations treat a new or replacement external door in an existing home as a controlled fitting: it needs a U-value of 1.4 W/m²K or better (or Doorset Energy Rating band C) if more than 60% of it is glazed (Approved Document L), and safety glass in a critical location (Approved Document K). Compliance is arranged through a competent person scheme installer or a Building Control notification, so you get a certificate for your records.
Options to consider for your tilt and slide door
- Material. uPVC for a lower price and shorter lead time, or aluminium for slimmer frames and powder-coated colours.
- Glass. Toughened or laminated double glazing, or triple glazing for extra warmth and sound reduction.
- Sash side. A left or right opening sash, chosen to suit furniture, the patio layout and the way you walk out.
Questions about tilt and slide doors in Portsmouth
Can you match other doors and windows in my Portsmouth home?
Usually, yes. Most aluminium and uPVC systems come in standard RAL colours and finishes, and we can quote dual colour where the inside and outside need to differ. Bring photos of existing frames to the survey.
What is a tilt and slide door?
A tilt and slide door is a patio door whose opening sash can either tilt inward at the top for ventilation, or move forward and slide parallel across the fixed panel. The handle selects the mode. When closed, the sash is pulled back into the frame and sealed on all four sides, so it behaves more like a large window than a conventional slider.
How do I maintain a tilt and slide door?
Maintaining a tilt and slide door means keeping the bottom track and drainage clear, wiping the gaskets with a damp cloth and lightly oiling the moving hardware points once a year. If the sash starts to catch or the handle feels stiff, the hinges and keeps can be adjusted rather than replaced. Gaskets that have flattened after many years can be renewed on their own, restoring the seal without a new sash.
How much does a tilt and slide patio door cost?
Tilt and slide patio doors start from a guide price of £1,995 for a 1.5 m two-panel door, fitted, inc VAT, at standard 2.1 m height. A 2.1 m door is a guide £2,395–£2,895, and a 3 m door is around £2,995. Aluminium frames, colour and triple glazing move the figure up, and the final price is fixed in a written quote after survey.

