Black sliding doors across Clwyd
The right door depends on the opening, the room and the way you use the garden. Here is how black sliding doors tend to work out in practice:
If the back of your Clwyd house faces south or west, ask about solar-control glass alongside black frames, because that elevation takes the most afternoon heat.
Before ordering black for a listed Clwyd building, or one covered by an Article 4 direction, ask the local planning team whether the change of appearance needs consent.
- Signal black RAL 9004 is a fraction softer than jet black, which can suit homes with warmer stone or brick where a pure black would look harsh.
- Powder coating bonds the black colour to the metal with heat, so the frame does not need repainting, only washing with mild soapy water a few times a year.
- With a dual colour frame you can keep black outside for the architecture and choose a lighter colour inside, so a small room does not feel enclosed by dark framing.
Guide prices for black sliding doors in Clwyd
These are guide prices for fitted doors at a standard height, including VAT. They run from an entry-level system to a premium one at the same size; the survey confirms which suits your opening.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 2.1 m | 2 panels | £3,995–£4,895 |
| 2.4 m | 2 panels | £4,295–£5,295 |
| 3.0 m | 2 panels | £4,995–£6,095 |
| 4.0 m | 3 panels | £6,095–£7,395 |
Every size is on the black sliding doors page.
Daylight and glass in Clwyd
Because Clwyd sees long summer days (about 16 h 58 min) and short winter ones (about 7 h 31 min), the elevation your door faces makes a real difference. With the midday sun at about 13° in winter, a south-facing door brings light well into the room; a west-facing door catches hot late-afternoon sun in summer.
Where we fit in Clwyd
We cover Wrexham, Buckley, Deeside, Colwyn Bay, Flint, Rhyl and the rest of Clwyd.
Approvals in Wales
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.
Questions about black sliding doors in Clwyd
Can you match other doors and windows in my Clwyd 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.
Does a black frame affect the U-value?
The frame colour does not meaningfully change the tested U-value of an aluminium sliding door, which depends on the thermal break, the glass and the seals. A good double glazed thermally broken aluminium slider typically achieves around 1.2–1.6 W/m²K for the whole door, depending on the system and glass specification.
What is a sandtex finish?
Sandtex is a common trade name for a fine-textured powder-coat finish with a slightly sandy feel. It is popular on black frames because the texture breaks up reflections and disguises fingerprints, small scratches and water marks that would stand out on smooth black. It is applied and cured the same way as other powder coatings.
What is the difference between RAL 9005 and RAL 9004?
RAL 9005 is jet black, the deepest standard black, while RAL 9004 is signal black, which is very slightly lighter and softer. Side by side, 9005 looks more intense and 9004 can appear marginally warmer. On a door frame the difference is subtle, so most people decide by looking at both samples against their own brick or render.