Windows & Doors Advice & Guides | SM Windows & Doors York

Wooden Window Frames Explained: Pros and Cons

Written by Sam | May 1, 2026 4:34:00 PM

There is nothing quite like the look of timber on a period home, which is why so many York homeowners ask us about wooden window frames. They are beautiful and characterful, but they do ask more of you than modern materials. Here is an honest look at the pros and cons so you can decide what suits your house and your patience for upkeep.

Why people love timber windows

Wood has a warmth and depth that is hard to fake. On a Victorian terrace, a Georgian townhouse or a village cottage, timber sashes and casements simply look right, and in a conservation area they may even be required. Beyond the looks, wooden window frames have genuine strengths.

The pros of wooden window frames

  • Classic, authentic appearance. Timber suits period and heritage properties and holds its character as it ages.
  • Naturally insulating. Wood is a poor conductor of heat, so a well-made timber frame performs well on warmth.
  • Repairable. A skilled joiner can often repair a section of rot rather than replacing the whole frame, which is not always possible with sealed plastic units.
  • Sustainable when sourced well. Timber from responsibly managed forests is a renewable material with a lower embodied carbon than many alternatives.
  • Paintable. You can change the colour whenever you fancy a new look, inside or out.
  • Conservation friendly. In protected areas, timber is often the material planners prefer or insist on. Always check the current rules with your local authority.

The honest downsides

Timber is lovely, but it is not maintenance free, and that is the trade-off.

The cons of wooden window frames

  • Ongoing upkeep. Wood needs repainting or re-oiling every few years to keep water out. Skip it and you invite rot.
  • Vulnerable to weather. Yorkshire rain and damp are hard on unprotected timber. South and west-facing frames weather fastest.
  • Higher upfront cost. Good-quality timber windows usually cost more than uPVC to buy and fit.
  • Longer lead times. Bespoke joinery takes time to make, so it is not the quickest option.
  • Movement. Wood can swell and shrink with the seasons, which occasionally leads to sticking sashes.

None of this rules timber out. It just means going in with eyes open about the care it needs.

How long do wooden window frames last?

With regular painting and prompt repairs, quality hardwood or well-treated softwood frames can last several decades, and many period homes still have their originals after a century of care. The key word is care. Neglected timber can start to rot within a handful of years, while looked-after timber outlives most people's expectations. Modern factory-finished timber, with microporous paints and better seals, holds up far longer between coats than the wood our grandparents dealt with.

How timber compares to modern alternatives

It helps to see wood alongside the other main choices.

  • uPVC: the low-maintenance, lower-cost option. It will not match timber for heritage looks, but it seals well and needs little more than a wipe down. Our uPVC windows suit a lot of modern and updated homes.
  • Aluminium: slim, strong and long lasting, with a crisp modern look and slender sightlines. It is a popular pick where you want big glass and thin frames. Take a look at our aluminium windows if that appeals.
  • Heritage aluminium: a clever middle ground that mimics traditional steel and timber profiles with almost no upkeep. For period homes where you want the old look without the painting, our heritage aluminium range is well worth a look.

Many owners of older York homes land on heritage aluminium precisely because it gives the authentic slim look while sparing them the repainting cycle.

Rough costs in 2026

Prices vary widely with timber type, size, glazing and finish, so treat these as a guide and get a quote for your project. As of 2026, quality timber windows typically cost more than uPVC of the same size, often noticeably so for bespoke hardwood. The exact figure depends on your windows, so ask us for a price and we will measure up.

FAQs

Are wooden window frames better than uPVC?

It depends on what you value. Timber wins on looks and heritage character but needs regular upkeep and costs more. uPVC is cheaper and low maintenance but does not match the authentic appearance.

How often do wooden windows need painting?

As a rough guide, every three to eight years depending on the timber, the paint system and how exposed the window is. South and west-facing frames usually need attention sooner.

How long do timber windows last?

Well-maintained timber frames can last several decades, and many period properties still have originals after a century. Poorly maintained timber can rot within a few years, so upkeep is everything.

Can rotten wooden window frames be repaired?

Often yes. A skilled joiner can splice in new timber and treat affected areas rather than replacing the whole window, which is one of timber's real advantages.

What is a low-maintenance alternative to timber that still looks traditional?

Heritage aluminium mimics slim traditional profiles with very little upkeep, which makes it popular for period homes where owners want the classic look without the repainting.

Weighing up timber against modern options? Download our latest brochure to compare styles and finishes side by side, or request a free quote and we will help you choose.