Timber framed buildings are less common than stone in the Cotswolds, but they’re there, particularly in the north of the region and across into Worcestershire and Warwickshire. They behave quite differently from masonry buildings, and they’re regularly misunderstood by buyers, lenders and even by people carrying out repairs.
How a timber frame works
In a historic timber framed building, the frame carries the load. The panels between the timbers, whether brick, lath and plaster or wattle and daub, are infill rather than structure.
That has consequences. The building is designed to flex. It moves seasonally as the timber takes up and gives off moisture, and small amounts of distortion are normal rather than alarming. Treating it as if it were a rigid masonry building is where the trouble starts.
What we look for
Decay at the base. The sole plate and the feet of posts sit closest to the ground and take the most moisture. Raised ground levels, modern paving and added render frequently make this worse.
Beetle and fungal attack. Historic beetle damage is extremely common and often inactive. The question is whether it’s current and whether it has reduced the section enough to matter.
Previous repairs. Cement render, gypsum plaster, modern paint and concrete floors all trap moisture against timber. A great deal of the decay we see was caused by well intentioned repairs.
Distortion and movement. Old frames lean and sag. What matters is whether it’s historic and stable or currently moving. See our guide to structural movement in Cotswolds properties.
Infill panels. Cracked, loose or inappropriately replaced panels allow water in and are often the source of damp complaints.
Later alterations. Openings cut through frames, removed braces and inserted steelwork all change how the load travels.
Moisture is the recurring theme
Nearly every serious problem in a timber framed building comes back to moisture and how it’s managed. The building needs to breathe, and it needs to dry out as readily as it wets. Impermeable finishes prevent that.
That’s why our approach to damp in these buildings starts with finding the cause rather than applying a treatment. Our guides to damp and timber surveys and defect investigation set out how we go about it.
Buying one
If you’re buying a timber framed property, a detailed inspection is worth the money. A Level 3 building survey gives you the depth these buildings need, and if a specific problem emerges we could investigate it separately.
Many timber framed buildings are also listed, which affects what you could do to them afterwards. See our guides to listed building surveys and listed building consent.
Repairs that suit the building
Good repair work is usually conservative: replace only what has failed, splice in new timber where the section has gone, use lime based materials, and get the water away from the building. Wholesale replacement is rarely necessary and often does more harm than good.
If your project involves alterations as well as repair, our surveying and design work covers both.
How we could help
We survey timber framed and other traditional buildings across the Cotswolds, Gloucestershire and Bath. Get in touch to discuss a property.
Frequently asked questions
Often not. Much of the damage is historic and inactive. What matters is whether attack is current and whether the remaining timber section is adequate.
Cement render is usually harmful, because it traps moisture against the timber. Breathable lime based finishes suit these buildings far better.
Yes, and a degree of seasonal movement is normal. The survey question is whether the movement is historic and stable or ongoing.
