There actually isn’t a single standard door size in the UK, but homeowners and door manufacturers widely use a series of sizes. In England and Wales, the typical door width is 2’6” (30 inches or 762mm). However, in Scotland, doors are generally narrower, measuring about 28.5 inches (726mm).

How an installer defines a ‘standard’ door also varies between companies and is determined by their fitting method and product mix. From our standpoint, we would regard a ‘standard’ door as any door, as we insist on crafting bespoke door solutions for customers.

Gaining insight into standard door sizes in the UK and the height of doors for UK homes is incredibly valuable to know when embarking on a project. Recognition of common door dimensions removes some of the difficulty involved in buying and will see that compliance with Part M accessibility guidelines and clear–opening widths is accomplished. Incidentally, before buying, we’d also advocate reading up on the best front door colours.

Some grasp of standard sizing also comes in useful for when you enter into conversation with an installer or designer, and will help them help you.

Standard internal door sizes in the UK still use metric and imperial naming systems. As an example – a door in an older building might be classed as “2 ft 6” by some installers, but the metric equivalent is 762 mm. Being aware of both is worthwhile if you decide to undertake a renovation or want to talk doors with a tradesperson.

Imperial sizes like 2’3”, 2’6” and 2’9” are very common in England and Wales, but Scotland tends to favour metric measurements, especially in newer residential buildings, where many specify 2040 mm tall doors.

We thought it useful to produce a table, in which we provide an overview of common standard door sizes, with the typical width and height in metric and imperial units:

Sizes are pretty consistent where standard front and back doors in the UK are concerned. The most common external door dimensions begin at 1981 mm in height, with a width in the region of 762 mm to 1020 mm. These sizes correspond to most traditional door openings and the best doors for security UK, reducing the complexity of finding a suitable replacement door.

There has been a slight change though recently, with 2010 mm x 900 mm becoming a frequently quoted size for standard external doors by installers and manufacturers overseeing work at contemporary homes. The taller and broader slabs have an ample design and better satisfy accessibility requirements.

For homes with an intense design focus, taller doors like 2040 mm and 2184 mm are greatly admired, creating an unmissable visual impact of significant scale.

Slab thickness can vary depending on the chosen door material. Timber doors mostly range from 44 mm to 56 mm, composite doors are more like 44 mm to 70 mm and UPVC doors are the slimmest of the lot. It’s more than just an aesthetic difference, also influencing insulation, security and hardware compatibility.

Discern what is the best fit with a look at our chart, in which we break down common external door sizes and materials for you.

There are as many replacement doors in South Wales around as types of windows and in a series of sizes. Obviously, bi-folding doors are very differently sized to traditional front doors.

Door functionality differs between styles, with some all about opening a home to a garden and others squarely about protecting a house and keeping its inhabitants safe.

A bit of awareness of UK standard door sizes for each available door will reduce the possibility of installation problems, save you some time and help make your decision-making straightforward.

You can use the term paired doors and double doors interchangeably and they normally span from 915 mm (3 ft) up to around 1512 mm (just under 5 ft), with an average height of 1981 mm (6 ft 6 in).

They are often selected for large interior openings and lavish entrances, requiring two equal matching leaves to attain a consistent aesthetic.

French doors are typified by their chic design and synonymous with practicality. An internal French door has a thickness of around 35-40mm, but external French doors tend to be slightly thicker at 44 mm.

Their size can be anywhere from 36 in (approx. 914 mm) to 60 in (approx. 1524 mm) in standard door width UK. Some of our customers like to have side panels to amplify the volume of natural light that reaches their interior.