Scotland's climate is beautiful – but it's genuinely hard on timber. Between the rain, the temperature swings, and the occasional hard frost, wooden doors and windows take a real battering over the course of a year. The good news is that with the right regular care, properly fitted timber joinery can last for decades and still look excellent.
As a joiner based in Midlothian, I'm regularly called out to repair doors and windows that could have been saved with a bit of routine maintenance. Here's what you should actually be doing – and when it's time to call a professional rather than reaching for the DIY tin.
Why Timber Needs Regular Care in Scotland
Wood is a natural material. It expands and contracts with changes in temperature and humidity – which in Scotland means it's constantly moving. Without the right protective coating, moisture penetrates the surface, causing swelling, warping, rot, and draughts. An untreated or neglected door or window can go from "slightly stiff" to "genuinely damaged" within a single Scottish winter.
The good news: basic maintenance is straightforward, doesn't require specialist skills, and costs very little compared to a full repair or replacement further down the line.
Maintaining Wooden Doors
Inspect Twice a Year – Spring and Autumn
Get into the habit of checking your exterior doors when the seasons change. Look for peeling or bubbling paint or varnish, soft or discoloured patches on the timber (early signs of rot), stiffness in the hinges, and any visible gaps forming around the frame. Catching these early costs almost nothing to fix. Leaving them can mean a full door replacement.
Clean and Protect the Surface Regularly
Use a mild soapy solution to clean timber doors – avoid harsh chemicals that can damage the finish. Once clean and fully dry, apply a quality exterior wood oil, stain, or paint to maintain the protective barrier. Most exterior doors benefit from a fresh coat every 2–3 years, or more frequently if they face direct south-facing sun or heavy rain exposure.
Address Sticking Doors Before They Get Worse
A sticking door is almost always down to timber swelling with moisture or hinge issues. Don't force it – this puts stress on the frame and can cause cracking. A simple hinge adjustment often resolves the problem immediately. If the door has swollen significantly, a joiner can plane down the edge to restore a smooth fit without affecting the seal or appearance.
Deal With Draughts Properly
Self-adhesive draught excluder strips are an excellent first fix for minor gaps and take minutes to install. For larger gaps, or draughts coming from underneath the door, a joiner can fit a quality threshold seal or reshape the door frame. According to the Energy Saving Trust, properly draught-proofing your doors and windows can save up to £45 a year on energy bills – a meaningful saving on top of the comfort improvement.
I provide free, no-obligation assessments across Midlothian and Edinburgh. A quick visit often prevents a much more expensive repair later.
Get in Touch for a Free Assessment →Maintaining Wooden Windows
Repaint or Re-oil on Schedule
Timber windows need the same protective surface maintenance as doors. Sand back any flaking areas, fill cracks with exterior-grade filler, and apply two good coats of paint or a durable wood stain. This is genuinely a weekend DIY job for most homeowners – but if you have multiple windows, high windows, or aren't comfortable on a ladder, getting a professional in is the sensible call.
Check the Glazing Putty and Seals
Old putty around window panes cracks and falls away over time. Once it goes, water gets in – and water is the enemy of timber. Replacing glazing putty is a straightforward job that costs very little and prevents much bigger problems. If you notice condensation between double-glazed panes, the sealed unit has failed and needs replacing – that's a job for a glazier or joiner.
Check Opening and Closing Mechanisms
Sash windows, casement windows, and tilt-and-turn mechanisms all have moving parts that wear over time. If a window is becoming difficult to operate, address it early. Forcing a stiff sash can break the sash cord. Forcing a casement stay can strip the screw holes. A small adjustment now prevents a full repair later.
When Should You Call a Joiner?
Visible soft or crumbling timber (rot has set in) · Persistent draughts that DIY fixes haven't resolved · Windows that won't open or close properly · Water staining on the wall around a frame (indicating water ingress beyond the surface) · Broken sash cords or stays · Gaps wider than 3–4mm around external doors.
Each of these signals that the problem has moved beyond surface maintenance and into structural territory. The sooner a joiner assesses it, the more options there are – repair is nearly always possible and more cost-effective than full replacement when caught at the right stage.
A Note on Listed Buildings and Conservation Areas
If you live in a listed building or conservation area in Edinburgh or the Lothians, you may have restrictions on the type of replacements permitted for windows and external doors. It's always worth checking with your local planning authority before making changes. Historic Environment Scotland recommends that traditional timber windows in older properties are repaired rather than replaced where possible, both for the character of the building and to satisfy planning requirements.
When Maintenance Isn't Enough
Sometimes a door or window is simply at the end of its life. Rot that has penetrated deeply, frames that have structurally shifted, or timber that is beyond patch repair will need replacement. When that's the case, I'll tell you clearly – and help you choose a high-quality replacement that fits the character of your home and is installed to a standard that lasts.
According to Checkatrade, the national average cost for a professional door repair is between £75 and £250 – significantly less than a full replacement, which reinforces why early intervention is always the better financial decision.
Whether you need routine maintenance advice, a specific repair, or a full replacement, I'm happy to come out and take an honest look. Give me a call on 07898 769 268 or drop me a message online.