Timber windows suit the character of Devon and Cornwall homes in a way plastic never will — and made and fitted well, they last for generations. We install and replace sash and casement windows across the region, with the weatherproofing detail our coastal climate demands.
We survey each opening, advise on the right window style and timber, and supply and fit the finished units. That includes carefully removing the old window, preparing and, where needed, repairing the reveal, fitting and levelling the new frame, sealing and weatherproofing, and making good internally and externally. We coordinate the glazing and any ironmongery so you receive a complete, draught-free window ready to use.
Casement windows are hinged at the side or top and are the most common style across Devon and Cornwall, from cottages to modern homes. They seal tightly against the weather and are straightforward to maintain.
Box-sash windows slide vertically and are the signature of Georgian and Victorian properties in towns like Exeter and Truro. We install traditional corded box sashes and modern spring-balance versions, re-creating the slim sightlines and glazing bars that give period homes their proportion. Done sympathetically, new sashes can carry discreet double glazing without losing the look.
We work in durable hardwoods such as oak and accoya, and in properly treated, slow-grown softwood for painted finishes — choosing the timber to match the exposure of the property.
The first question we ask is whether your existing windows can be saved. Older timber was frequently far more durable than today's fast-grown stock, and a window that looks tired is often perfectly sound beneath the paint. Localised rot can be cut out and spliced with new timber, sash cords renewed, joints re-glued and draught seals added — restoring the window for a fraction of replacement cost.
Full replacement makes sense when the timber is rotten through, the security is poor, or the windows are beyond economic repair. In listed buildings and conservation areas, repair or like-for-like replacement is usually required by the planning authority, and we work to those constraints as standard.
Get the windows wrong and a period property loses its soul. Granite-walled Cornish cottages, cob longhouses and Devon farmhouses each have their own window proportions, glazing-bar patterns and reveal depths. We match these carefully, scribing frames into stone openings that are rarely square and respecting the building's original details. The result reads as authentic — not as a modern window dropped into an old hole.
Few places test a window like the Devon and Cornwall coast. Salt-laden, wind-driven rain finds every weakness, so our detailing is built around shedding water: drip mouldings over each sash, weatherbars at the cill, correctly formed rebates and good drainage so water never sits in a joint. We finish with microporous paints and oils that let the timber breathe while sealing out moisture, and we recommend the more durable timbers for the most exposed elevations.
Windows are priced per opening, supplied and fitted. These 2026 figures are a guide for Devon and Cornwall; bespoke period sashes and very large units are quoted individually after survey.
| Window type | Price (supplied & fitted) | Notes |
|---|---|---|
| Softwood casement | £300 – £450 | Painted finish, standard sizes |
| Hardwood casement | £450 – £650 | Oak or accoya, exposed elevations |
| Box-sash window | £600 – £800+ | Period-matched, slim double glazing |
| Repair & draught-proofing | Quoted per window | Splicing, re-cording, re-sealing |
Window work rewards experience and punishes shortcuts — a poorly bedded frame leaks for the next 30 years. With over a decade and 200+ projects across Devon and Cornwall, we understand how our weather behaves and how period buildings are put together. We give honest advice on repair versus replacement, because the cheapest job for you is often the one that saves the windows you already have.
Every quote is free, written and itemised, with no hidden extras.
Timber window installation typically costs between £300 and £800 per window in 2026, supplied and fitted. A simple softwood casement is at the lower end, while a hardwood box-sash window made to match a period property, with slim double glazing, is at the upper end or above. We quote each opening individually after a survey.
It depends on the condition. Old timber windows were often made from slow-grown, durable wood that is well worth saving — localised rot can be cut out and spliced, sashes re-corded and joints re-glued for a fraction of the cost of replacement. We only recommend full replacement when the timber is beyond economic repair, and in listed or conservation-area properties repair is often required anyway.
Coastal Devon and Cornwall windows face wind-driven rain and salt, so detailing matters. We use durable hardwoods or properly treated softwood, fit drip mouldings and weatherbars, bed and seal the frames correctly, and apply microporous finishes that let the timber breathe while keeping water out. Good ventilation paths and drainage stop water sitting in the joints.
Yes. We install and replace timber windows throughout Devon and Cornwall, including Plymouth, Exeter, Torquay, Barnstaple, Truro and Tavistock, plus the surrounding villages and rural homes.
Get a free, no-obligation survey and quote for timber windows anywhere in Devon or Cornwall.
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