Woodfellas are Castle Douglas’s leading timber window experts, building, renovating, and installing wooden windows from a Castle Douglas premises that covers homes and commercial properties right across Central Scotland.
Made to measure, ethically sourced timber, double glazing, upgraded security. Every window that leaves our workshop is made to the same standard. No shortcuts.
Whether you need sash and case windows for a traditional tenement, casement windows for a contemporary extension, or a complete set of replacement windows for any sort of property, we make them ourselves and install ourselves.
Our timber window lineup
Two types of timber window. Each designed for different properties and requirements. Both offered in treated pine or hardwood. Both including double-glazed sealed units as standard.
Sash windows
The traditional Scottish window design.
Slide up and down. Box frame. Cords and counterbalance weights. That’s a sash window. They’re on most of Castle Douglas’s Victorian and Edwardian tenements and the required replacement for listed buildings and conservation area properties where sash and case was the existing design.
We renovate, repair, and build custom sash windows that match existing profiles and proportions while delivering modern thermal and acoustic results.
If your original frames are sound, restoration, draught-proofing and double glazing upgrades, is usually the smartest route. We do full assessments before recommending any replacement, so you know exactly where you are.

Casement windows
The hinged window. Swings outward, lets in a wider flow of air, easy to reach from inside with no fuss. Casement windows became the norm on Castle Douglas properties from the 1920s on, including rear extensions, dormers, and newer builds.
Side hung, top hung, fixed, we produce custom timber casement windows in all three styles. Like our sash windows, every single one is custom-built and fitted with double glazing as standard.
Our timber casement windows page has more information on all listed styles and configurations.
Why timber windows are the right call
There’s a reason people have been fitting timber windows in homes for centuries, and it’s not just because they always have. Timber actually outperforms UPVC and aluminium in a number of areas that count to households.
How timber insulates naturally
Did you know timber transfers heat far less easily than aluminium, and it outperforms UPVC at the equivalent frame thickness? That means better thermal performance from the frame itself, before you even consider the double glazing.
Scotland depends on heating bills. A timber frame’s thermal qualities make a measurable difference to what you pay, and that difference shows up over time.
Repair it, don’t replace it
If a timber window gets damaged, the good news is you can repair it.
Rot in a sill? Remove it, fit fresh timber. Damaged frame section? Rebuild it. UPVC can’t be repaired: it goes, it ends up in landfill, you start again.
Over the working life of a property, repairing and maintaining timber windows rather than replacing them saves money and cuts material waste. It’s a straightforward calculation.
Sustainability
All timber that we put into our windows is procured from ethically managed woodland.
Holds carbon as long as it ages, then decomposes cleanly. No landfill, no harmful process. UPVC is plastic from oil, and aluminium production is extremely energy-intensive. The difference doesn’t need explaining.
If the environmental impact of your home is important to you, timber is clearly the right choice. It’s not complicated.
Character and property value
The weight, depth, and natural grain of timber windows is what no artificial material can match.
On a sandstone tenement, a pale stone villa, or a period Scottish cottage, timber windows produce an aesthetic fit that UPVC consistently fails to replicate.
They add tangible property value too. Especially older properties. Original or sympathetic features matter to buyers.
Timber windows with double glazing
Every window we manufacture, sash or casement, includes double-glazed sealed units installed as standard. Always.
Sealed unit in the frame. Two layers of glass. Cavity between them. Cuts heat transfer. Improves sound insulation.
Combine the timber frame’s inherent insulating properties with double glazing and you get strong thermal and acoustic performance across both window types.
Traditional divided-light look? We can install glazing bars, a straightforward addition that makes a real visual difference.
The frames are sound, they’re just single glazed. In many cases, we can convert to double glazing as part of a restoration, retaining what’s worth keeping, lifting performance, no full replacement required.
It happens a lot on Castle Douglas’s older properties, existing sash windows that are well-constructed, but the single glazing admits cold and ambient noise like it’s not even there.
Every unit we fit meets the latest building regulations for thermal standards. Always.

Conservation area timber windows
Scotland has over 600 recognised conservation areas, and being in one changes what you can do with your windows.
Property in a conservation area? UPVC: not approved. Council will often require replacements mirroring the original. Material, design, profile.
Over 20 years making timber windows for conservation areas and listed buildings throughout Scotland, we know what the council requires.
We can advise on consent conditions and make windows that satisfy every planning condition while still giving you modern performance. Our sash and case windows page covers the regulations in more detail if you want to read up.
Wood choices
Two timber types, and that’s what we use across the entire window product range.
Treated pine is the most popular choice, and for good reason. It’s pressure-treated to prevent rot and decay, accepts a paint finish well, and performs well in Castle Douglas’s rain-heavy weather.
For properties where a natural timber look is wanted, or where added longevity is required, we offer hardwood, which is by nature more resistant to wear and accepts stains and oils with excellent results.
Property. Exposure level. Finish. We recommend the right timber for each project.
Wooden windows, frequently asked questions
What types of timber windows do you make?
We produce sash and case windows and casement windows, both available in treated pine or hardwood. Sash and case are the traditional Castle Douglas design, sliding up and down within a timber box frame. Casement windows open out. We also make fixed window panels for any window opening configuration.
Is timber a better choice than UPVC?
Yes, for results, lifespan, and appearance, timber is better. It insulates better at the comparable frame thickness, lasts significantly longer when looked after, and can be repaired rather than replaced. It’s also the sole material permitted for listed buildings and is strongly favoured in conservation areas.
Can you upgrade single glazing with double glazing in existing timber windows?
In many cases, yes! If your existing frames are in sound condition, we can switch to double-glazed sealed units as part of a restoration programme, preserving the existing frames and character while improving thermal and acoustic results.
Get your free timber window estimate in Castle Douglas
Whether you need a single window fixed or a complete property of custom timber windows, call us on 07920 057592 or fill in the form on our contact page. We’ll be in touch within 24 hours.
Custom timber doors. Bi-fold doors. Timber shop fronts. Across Castle Douglas and Central Scotland.