Anthracite Grey Guttering: Why RAL 7016 Is the UK's Most Popular Guttering Colour

What Is Anthracite Grey Guttering?

RAL 7016 is a standardised colour code from the European RAL colour system, which means any compliant manufacturer produces the same shade. When you specify RAL 7016 for your guttering, windows, and fascias, you get a consistent colour across all elements rather than mismatched "dark greys" from different suppliers.

The colour is sometimes listed as "anthracite," "dark grey," or "graphite grey" by different retailers — if there's no RAL number specified, always ask for confirmation it's 7016 rather than a similar-looking shade that won't match your windows.

Why Aluminium Holds the Colour Better Than UPVC

The practical difference becomes visible around year 10–12. Powder-coated aluminium in RAL 7016 retains its depth and uniformity. UPVC in the same period often shows a washed-out, uneven tone — particularly on south-facing roof runs. On a property with new anthracite windows that will last 30+ years, UPVC guttering that visibly fades in a decade is a poor pairing.

Aluminium also doesn't become brittle in cold temperatures the way UPVC does, which means the colour coat isn't stressed by the same degree of seasonal expansion and contraction. On a UK installation exposed to frost, the difference in long-term appearance is significant.

The Seamless Advantage for Grey Guttering

This is particularly noticeable on longer runs — a 12m front elevation in sectional guttering might have five or six visible joints. In white, joints are less apparent. In a dark grey, the clips and colour variations at each join are much more visible. Seamless aluminium guttering eliminates this: the only interruptions are at corners and downpipe outlets, which are structural rather than cosmetic.

For homeowners who are installing anthracite grey guttering specifically because they want a clean, considered finish, sectional defeats the purpose. The aesthetic case for seamless is strongest precisely with dark, visible colours like RAL 7016.

What Does Anthracite Grey Guttering Cost?

For a typical semi-detached property, total guttering runs of 25–35 metres are common, meaning full seamless aluminium installations typically fall in the £750–£1,050 range. For a detached property with more complex rooflines, costs range higher depending on linear meterage and the number of downpipes required.

Bespoke Guttering offers free surveys across London, Surrey, and Essex — the surveyor can confirm the exact run lengths and provide a fixed price before any work is agreed.

Maintenance: Does Anthracite Grey Show Dirt More?

One consideration specific to dark guttering: moss and lichen growth, which is grey-green in colour, is more visible against anthracite than against white. In heavily vegetated environments — gardens with overhanging trees, north-facing runs — this may mean more frequent visual checks. It's a maintenance consideration, not a structural one.

Frequently Asked Questions