Standard Sizes of Windows in the UK

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Sash Windows Refurbish specializes in providing repair and restoration services for wooden windows and doors in the UK, as well as various types of carpentry. During the process of fulfilling orders, we utilize a range of tools and paints, including saws, sprays, primers, resins, and adhesives. With more than 20 years of experience in carpentry, we have tested and used various brands and types of work tools, making us well-equipped to offer helpful advice on selecting the right tools and paints for your needs. Read more ...

While many opt for bespoke windows tailored to their specific projects, there exists a realm of standard window sizes that streamline both design and installation processes. This guide delves into the advantages of embracing standard dimensions in the UK, offering insights for installers seeking a smoother and more efficient approach to window selection and placement.

Standard UK Window Sizes

  • There isn’t a universal standard size for windows in the UK, as they can vary depending on factors like the type of window, building regulations, and individual preferences.

Importance of Window Sizes

Understanding the significance of window sizes can be perplexing for homeowners. While standard sizes exist, the process isn’t always straightforward. When seeking replacement windows, knowing your window dimensions simplifies the selection process.

Whether your home aligns with standard sizes or requires custom measurements, the expertise of installers can guide you through the potentially confusing journey. Opting for standard sizes proves more cost-effective, while bespoke windows tailored to your home may come with a premium.

Standard uPVC Window Sizes

  • uPVC windows are popular in the UK. Standard sizes can vary, but common widths range from 600mm to 1200mm, and heights can range from 900mm to 1500mm.

uPVC, with its trifecta of low maintenance, affordability, and exceptional thermal efficiency, stands out as a prevalent window material. Homeowners favour uPVC not only for its cost-effectiveness but also for its performance benefits. The material offers a versatile design canvas, providing an array of colour choices for homeowners to tailor the style to their property.

While uPVC windows grace the majority of properties, they boast diverse specifications. Bay windows, distinguished by their unique design, often come in larger sizes compared to standard casement windows.

Standard Aluminium Window Sizes

  • Aluminium windows are known for their strength and durability. Standard sizes depend on the type of window, but typical widths range from 600mm to 1800mm, and heights can vary from 900mm to 2400mm.

Traditionally overshadowed by high prices and long lead times, aluminium windows have transformed, becoming a sought-after option. Technological advancements in window machinery have slashed prices and lead times, making them more accessible to installers.

The benefits of aluminium frames include thermal breaking and exceptional thermal efficiency, making them increasingly popular for modern property styles. A key attraction is the minimalistic frame, allowing for larger expanses of glass that not only enhance views but also flood living spaces with natural light.

Aluminium window sizes tend to be larger on average, thanks to the robust profile, providing a unique aesthetic appeal. The diversity in styles, such as tilt & turn windows, adds further variation to window measurements, contributing to the growing popularity of aluminium windows.

Standard Window Sizes for Timber

  • Timber windows offer a classic and aesthetically pleasing option. Standard sizes for timber windows can vary, but common widths range from 600mm to 1200mm, and heights can range from 900mm to 2100mm.

Timber windows, a quintessential choice exuding classic aesthetics, bring character to homes, particularly in period properties. Often adorning listed buildings, these windows, rooted in tradition, commonly feature non-standard sizes crafted for bespoke projects before the era of mass production.

In a modern context, a resurgence in the popularity of timber windows is evident, driven by a refined understanding of ideal materials. Homeowners seeking character-infused spaces now turn to timber windows, enjoying both aesthetic allure and high-performance benefits. The sizing of timber windows aligns with the dimensions of uPVC, ensuring versatility for those looking to infuse their homes with enduring charm.

FAQs

What is the size of a normal wooden window?

The size of a normal wooden window can vary, but standard dimensions often range from 24 to 30 inches in width and 36 to 48 inches in height.

What size were Victorian windows?

Victorian windows were typically larger than modern ones, with sizes commonly exceeding 3 feet in width and 6 feet in height. Elaborate designs and multiple panes were also characteristic of Victorian-era windows.

What are the most common home window sizes?

The most common home window sizes today are around 24 to 30 inches in width and 36 to 48 inches in height for standard single or double-hung windows. However, picture windows may have larger dimensions.

How do you measure window size UK?

To measure window size in the UK, measure the width first, followed by the height. Use millimetres as the standard unit of measurement, rounding to the nearest millimetre for accuracy.

About the author

Glen Ramsey, who presently holds the positions of customer support and content manager, is a cherished member of the Sash Window Refurbish team. He is in a unique position to provide advice on all questions pertaining to the renovation of historic windows because he has a wealth of experience in all elements of window renovation, dealing with clients regularly and assisting them in choosing the best window-related course of action. He oversees the creation of information for all of our platforms in his capacity as content manager, including web content and other materials. Glen has witnessed the whole gamut of Sash Window Refurbish's window restoration activities, from our work on significant listed Georgian homes to a wide variety of smaller-scale private residential projects.

Testimonials

My technician Andrew replaced all my sash windows that had rotten sills. Accessing the rotten sills was not an easy task. He explained to me what needed to be done in order to fix the problem. He is a great person and I’m happy that he was the one who did the job. He is reliable, tidy, friendly and very professional. I highly recommend him.

Trev

Client

I hired Andrew and Alex a while back to repair my damaged sash windows. They were was very considerate and very patient as he did his job. A few days ago, I had another problem with one of my sash lock keys and I called him again to come and fix the problem. I’m very impressed that Liam responded quickly and he not only fixed the problem but he also gave me a spare key. What a great after sales service!

Alan W.

Client

I’m very impressed with the new windows that Andrew installed and also the reconditioning job that he did on other sash windows. The quality of his work is by far more superior than what we got when we hired another company a few years back. We will certainly hire him again if any window work arises

Kelly (Sleaford)

Client

Our decorator referred us to Andrew because some of the work needed a window expert. Andrew together with our decorator did a fantastic job. The work was done efficiently and to the highest standards. Andrew is understanding, committed and very professional. I recommend him without any hesitation.

Steaven Reader

Client

Alex did a great job in fixing windows in our terraced house. The windows were broken, frames damaged and the wood was also rotten. Alex's job was high quality and he did it pretty fast. I was also very impressed that he was considerate of my son’s asthma condition and maintained cleanliness. Top work.

Alice

Client

Andrew just recently replaced three sash windows in my Edwardian house. He also repaired and replaced some sills and draught proofed three windows. In addition to that, he also did some carpentry work. What I like the most about Liam is that he did a clean job. He is very professional and always updated me about the timescales and costs. He also did his job with minimal disruptions. I highly recommend him.

Cris M.

Client