Greenhouse Advice

In short: for an exposed or windy UK plot, a galvanised closed-section steel frame holds its geometry and resists racking better than thin aluminium; aluminium wins on weight, rust-immunity and...

If you've searched "Rhino greenhouse" or compared greenhouse brands recently, you've probably found Rhino Greenhouses among the most recommended names in the UK. They deserve that reputation. They make a...

4mm or 6mm twin-wall cellular polycarbonate? It depends on the frame, the site, and what you're growing. A practical UK guide to when the extra 2mm earns its keep.

A practical UK comparison of film polytunnels, polycarbonate tunnel greenhouses and Waldenhaus SteelRoot/NORDIC routes: cost, wind exposure, warmth, lifespan and fit.

The seven questions that decide whether a polytunnel or a wooden greenhouse is right for your UK growing — including the situations where polytunnel genuinely wins.

The four practical greenhouse categories — cold frame, mini, lean-to, and freestanding — with the honest case for each, including when a £40 cold frame beats a greenhouse.

The four grade tiers of UK wooden greenhouse — £200 self-builds to £20,000+ heritage glasshouses — with a spec-by-spec breakdown of what changes between them.

In short: aluminium is lighter, cheaper and never rots, so it suits a sheltered garden on a budget; a timber frame holds overnight warmth better, sits more solidly in wind...

Updated April 2026: figures and temperature data revised to reflect the 2025-26 growing season. Written by the Waldenhaus team On a hard January night, the instinct is that glass, the...