Local slate roofing specialists covering Alness and Ross-shire. Free survey, no call-out fee, 10-year guarantee. 22 miles north from our Inverness base — fast response across the region.
We provide professional slate roofing services across Alness and the surrounding Ross-shire area. Free survey, no call-out fee, fixed-price quote before any work begins. Our team is based in Inverness — 22 miles north — with fast response times and materials specific to Highland conditions carried on every visit.
Alness has limited natural slate stock — predominantly post-war concrete tile on the Dalmore and Obsdale estates. The small number of older properties with natural slate are typically on the older village streets and use Welsh or occasionally Caithness slate depending on construction date.
Natural slate is the correct roofing material for Ross-shire's steepest pitches, conservation area properties, and any building where longevity and authenticity matter. In Ross-shire conditions — sustained Highland moisture, wide annual temperature differential, regular frost — natural slate outperforms concrete tile by a significant margin on design life: 75–150 years for well-specified natural slate versus 40–60 years for concrete tile. We work with Caithness slate (the authentic Highland material), Welsh Penrhyn and Ffestiniog, and Spanish slate for Alness projects depending on specification requirements and planning constraints.
Matching existing slate on a repair is the detail that separates competent slate work from poor work. For Caithness slate — the warm buff-grey material quarried in the far north of Scotland and used on most Victorian and Edwardian Ross-shire properties — we carry stock in the most common sizes and can source specific profiles on order. For Welsh blue-grey slate, most standard sizes are available within 3–5 days. We confirm material availability before accepting any Alness project where matching is critical — there is no point beginning a survey on a conservation area property if the required material cannot be sourced within a reasonable timeline.
When isolated slate failures are occurring across the whole roof rather than in one area, the decision becomes whether to continue targeted repairs or proceed to full re-slating. Our framework: if less than 20% of slates are failing, targeted repair in matched material is cost-effective. Between 20–40%, we assess the remaining slate condition — if the majority is sound, repair remains viable. Above 40% widespread delamination or failure, re-slating is almost always better value than continued maintenance. We assess this honestly at survey and will show you the areas we consider sound versus those at risk.
| Slate repair (1–5 slates, Welsh) | £120–£280 |
| Slate repair (1–5 slates, Caithness) | £180–£380 |
| Section re-slating (per m²) | £65–£120 |
| Full re-slate (3-bed semi, Welsh) | £7,500–£12,000 |
| Full re-slate (3-bed semi, Caithness) | £9,500–£16,000 |
All prices include VAT. Free written quote before any work begins. Call 01463 262835 to arrange a free survey.
Natural slate roofing in Alness requires specific knowledge of Ross-shire conditions. Valley frost cycling accelerates nail corrosion and mortar deterioration faster than calendar age suggests. This affects both the material specification — we increase the design headlap on Alness installations to protect against wind-driven rain on exposed elevations — and the fixing method. We use stainless steel ring-shank nails on all Alness slate installations. Copper nails corrode faster in Highland atmospheric moisture than stainless; galvanised nails corrode even faster. The nail specification matters over the 75–100 year design life of quality natural slate.
Slate sourcing for Alness repair and replacement projects depends on the property era and any conservation area requirements. For Alness properties, we recommend natural slate on Victorian and Edwardian stock and concrete or clay interlocking tile on post-war housing — each is the correct material for its era. We stock Caithness slate (warm buff-grey, thick profile, ideal for period Highland properties), Welsh blue-grey slate (cooler tone, thinner profile, widely available), and Spanish natural slate (cost-effective, performs well in Highland frost). We confirm material availability and lead time before accepting any Alness project where matching is critical — there is no value in agreeing a conservation area repair we cannot complete in the specified material within a reasonable timeline.
Slate roofing costs in Alness reflect the material, the roof complexity and access requirements. Isolated slate repairs (1–5 slates) typically cost £150–£350 for straightforward access. Section re-slating (one pitch or elevation) runs £800–£2,500 depending on area and scaffold requirements. Full re-slating in Welsh or Spanish slate costs £8,000–£18,000 for a standard Alness property; Caithness slate adds a 20–40% material premium. Free surveys on all Alness slate projects — call 01463 262835.
Slate Roofing in Alness — free survey, no call-out fee
Call 01463 262835"Four Caithness slates had delaminated. Matched exactly — no visible difference between old and new. Conservation officer confirmed compliance. Excellent."
"Victorian villa — Welsh slate repair and chimney repointing in lime. Both done together. Correct materials throughout. Planning compliance confirmed."
"Georgian property — Caithness slate on front elevation. Sourced correct profile with 3-week lead time as warned. Matched perfectly. Worth waiting for."
We cover all Highland towns and a 25-mile radius from Inverness.
Most Victorian and Edwardian Ross-shire properties were roofed in Caithness slate — thick, warm buff-grey with a sandy texture. Some properties used Welsh Penrhyn or Ffestiniog — thinner, cooler blue-grey. Post-war slate properties typically used Welsh or Spanish. We identify the slate type at survey and confirm matching material availability before quoting.
Replacing 1–5 Welsh slates in {town} costs £120–£280. Caithness slate costs more — £180–£380 — due to material availability and fixing specification. Section re-slating per m² runs £65–£120 depending on slate type and pitch. Free survey and written quote. Call 01463 262835.
Yes — we maintain relationships with Caithness slate suppliers and carry common sizes in stock. For unusual profiles or large quantities, we source on order with typical lead times of 2–4 weeks. We confirm availability before any survey appointment where conservation area compliance requires Caithness specifically.
Well-specified and correctly fixed natural slate — Welsh Penrhyn or Caithness — has a realistic service life of 75–150 years in Ross-shire conditions. The limiting factor is usually the original nail fixings, which may need replacing before the slates themselves fail. Original copper or stainless fixing survives longer than galvanised.
Many Highland conservation areas require like-for-like natural slate replacement on visible roof slopes. Changing from natural slate to concrete tile or fibre cement typically requires planning consent and may not be approved. We confirm conservation area requirements at survey and provide material specifications for any application required.
Caithness slate is thicker (10–15mm), heavier, and has a warm buff-grey colouration distinctive to Highland buildings. Welsh Penrhyn is thinner (5–8mm), cooler blue-grey, and more widely available. From the street, Caithness roofs look warmer in tone. Both perform well in Ross-shire conditions when correctly fixed. Conservation area properties may specify Caithness origin — we confirm this at survey.
Natural slate requires a calculated batten gauge based on slate length, pitch and headlap. In Ross-shire conditions, we use an increased headlap specification — 10–15mm above BSI minimum — to account for Highland wind-driven rain. Fixing is with stainless steel nails in all new installations. Caithness slate's greater thickness and weight requires heavier gauge fixing and closer batten centres than thin Welsh slate.
No call-out fee. No obligation. Honest survey from a local Highland roofer.
01463 262835