Wood vs Aluminium Pergola.
Wood and aluminium are the two dominant pergola materials in the UK. Wood is cheaper upfront, feels more traditional, and suits cottage and heritage gardens. Aluminium costs more but lasts longer, supports louvered and motorised roofs, and needs almost no maintenance. This guide compares them across the factors that matter.
Upfront cost
Timber pergolas start around £1,500–£3,000 fully fitted. Aluminium pergolas start around £4,000 and run to £15,000+ for louvered and motorised builds. For a like-for-like fixed-roof structure, expect aluminium to cost 50–100% more than timber.
Maintenance
Timber needs annual or bi-annual treatment — staining, oiling or re-painting — to prevent rot, warping and fading. Aluminium needs only an occasional rinse. Over 15–20 years, aluminium typically works out cheaper once maintenance costs are factored in.
Roof options
Wooden pergolas suit open slatted roofs, optional polycarbonate or fabric canopies. Aluminium pergolas support the full range — fixed, louvered and motorised — which is why they dominate the UK premium market.
Aesthetic
Wood is warmer, more natural, and pairs well with traditional gardens, heritage homes and rustic landscaping. Aluminium is cleaner, more modern, and pairs well with contemporary architecture, outdoor kitchens and minimalist landscaping.
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