- Postcode district
- SA72
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 4–6 weeks for aluminium and 2–4 weeks for uPVC after survey sign-off
- Guide price
- From £3,295 inc VAT
- Nearby
- Milford Haven, Haverfordwest, Tenby
- Building rules
- Wales
Sliding door replacement in Pembroke Dock: what to know
Before you settle on a door type, it helps to know what replacement sliding doors do well and what to check before you order.
Does the old door in your Pembroke Dock kitchen whistle in the wind or leave puddles on the sill? Worn seals and failed drainage are common reasons to replace rather than repair.
Considering a wider door for your Pembroke Dock home while you are replacing it? Weigh up the extra cost of structural work against the gain in glass before deciding.
- Most two-panel replacements are completed in a single day, so the house is secure again by the evening without the room being out of use for long.
- Multipoint locks, anti-lift devices and internally beaded glass close the security gaps that older patio doors commonly have, such as panels that can be lifted out.
- New rollers and a precision track make a heavy door glide with a light push, where an old door may need both hands and a firm shove to open.
Daylight in Pembroke Dock and what it means for your glass
Sun angles matter for big glazed doors. Around Pembroke Dock, midday sun reaches about 62° in summer and drops to about 15° 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.
Typical costs for replacement sliding doors around Pembroke Dock
The table shows guide prices for common sizes, supplied and fitted, including VAT. Your exact price is fixed in a written quote once the opening in your Pembroke Dock home has been measured.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 2.1 m | 2 panels | £3,995–£4,895 |
| 3.6 m | 3 panels | £5,595–£6,895 |
| 4.0 m | 3 panels | £6,095–£7,395 |
See every size on the replacement sliding doors page or try the guide price tool.
Timescales for replacement sliding doors in Pembroke Dock
We plan the job around your home in Pembroke Dock: survey first, then a written quote, then manufacture (typically 4–6 weeks for aluminium and 2–4 weeks for uPVC after survey sign-off). The fitting itself usually takes 1 day for a straight two-panel swap; 1–2 days for larger doors. If you are in Milford Haven or Haverfordwest, the same process and prices apply.
Do you need approval in Pembroke Dock?
Wales sets its own Building Regulations guidance, including Approved Document L (Wales) for energy. A replacement sliding door must meet those requirements and use safety glass, and we arrange compliance through a registered installer or the local Building Control service.
Which options matter for replacement sliding doors?
- New internal cill or board. A fresh window board or reveal lining to finish the inside neatly.
- Upgraded glass. Triple, laminated, solar-control or obscure glass to suit the elevation.
- Lower threshold. A reduced-height sill where floor and outside levels allow, with suitable drainage.
Questions about replacement sliding doors in Pembroke Dock
Can you match other doors and windows in my Pembroke Dock 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.
Do I need planning permission to replace a sliding door?
Replacing doors on a house is usually permitted development, so no planning application is needed, as long as the new doors are similar in appearance to the existing ones. Flats, listed buildings and properties covered by an Article 4 direction may need consent. Our planning guide explains more.
Can I get a bigger door in the same opening?
You can usually get more glass in the same opening, because modern frames are slimmer, but the overall door size stays roughly the same as the old one. Making the door wider or taller means widening the opening, which is structural work with a steel beam, calculations and a Building Regulations application. Our new openings page covers that.
What happens to my old patio door?
We remove your old patio door and take it away for disposal as part of the job, and that is included in our guide prices, so there is nothing for you to arrange. If you would rather keep the old door, for example for a shed or greenhouse project, tell us before the fitting day and we will leave it safely on site.

