Roofers in Cambridgeshire

Roofing in Cambridgeshire

There is no single Cambridgeshire roof. Cambridge itself is largely Victorian and Edwardian brick terraces off Mill Road and Chesterton, laid with thin Welsh slate at shallow pitches, alongside the colleges' vast lead flats, parapet gutters and hand-made clay tiles that need conservation-grade work and, frequently, listed building consent. Move north into the Fens and the vernacular flips to orange clay pantiles, which sit at lower pitches, were traditionally bedded on mortar torching rather than felt, and behave completely differently in wind. Peterborough adds a third layer again, with the Ortons, Bretton and Werrington built out under the New Town designation of 1967 and now presenting a very large stock of first-generation concrete interlocking tiles all ageing at once.

What ties the county together is exposure and ground. The Fens are flat, treeless and open to easterly winds coming off the North Sea with nothing to slow them, so wind uplift at verges, ridges and the first course above the eaves is the classic failure here, especially on pantiles that rely on old mortar. Shrinking peat and gault clay also move buildings: in Wisbech, Chatteris and the villages around March you will find roofs that have racked slightly with the walls beneath them, opening gaps at abutments and around chimneys.

Practical advice for homeowners: if you have pantiles, do not let anyone simply re-bed everything in a thick mortar fillet. Modern practice is dry-fix or mechanically clipped, with a breathable underlay, and it will survive the next gale far better. In Cambridge and Wisbech, both heavy with conservation areas, confirm the material before work starts, not after.