Timber-framed, wooden clad exterior classroom unit with slate roof

Gembuild Classroom Units – in a Class of their Own

Gembuild timber-framed classroom unit

Classroom interior with laminate flooring, double-glazing, points etc.Gembuild has supplied a significant number of exterior classroom units over the years and these are a natural progression from our garden office and outdoor studio ranges. They look great, last a phenomenally long time, require little maintenance and, crucially, can be installed within a very short time frame. They also allow schools, colleges, universities and educational establishments to expand their teaching space without having to build extortionately expensive extensions or pay for highly invasive conversions within existing rooms and spaces. Simply put, they offer a high quality but very low cost alternative to bricks and mortar.


With cavity walls that are nearly 7 inches thick, and insulation levels to floors, walls and ceilings that would rival any residential home, Gembuild’s classroom units are cosy in the winter and comfortable during even the hottest summer. They are actually accommodation grade buildings, employing construction methods used in many modern-day house builds. Flooring comes complete with your choice of either carpet tiles or a modern laminate. Windows and doors are, of course, all double-glazed. We’d also be happy to incorporate additional heating or even air conditioning for those who require it. With Gembuild, your classroom unit will be exactly as you want it, so that it’s perfect for you and your students.

Timber-framed, wooden clad exterior classroom unit featuring a slate roofEconomical

What’s equally important to schools and educational establishments is that our timber classroom units also represent incredible value for money compared to traditional builds and extensions. They also have a very long shelf-life, requiring little maintenance over the years, because we build them to last, unlike the thin, flimsy, flat-pack and ‘kit’ outbuildings one often sees being advertised elsewhere.


With our timber structures and partly prefabricated approach, our classrooms are much faster to erect on site than traditional brick and mortar buildings. Gembuild is typically on site for just ten days during a classroom build — try comparing that to a traditional build! That’s perfect for quickly adding teaching space to your school or institution, especially if timed to coincide with breaks like half term, the summer holidays etc. — that means zero disruption.

Clean & Tidy

Outdoor classroom unit for a school in Peterborough, by GembuildThere is also much less mess and very little, if any, dust with a Gembuild classroom unit. That’s because we do a lot of the construction off-site in our industrial unit in Surrey, before we ever set foot on site. Our timber construction is naturally cleaner and tidier anyway. After all, there is no sand, cement or plastering with a timber-framed Gembuild unit. Even much of the electrics come pre-assembled.


Speaking of which, if you are ordering a classroom unit from Gembuild, you can have as many power points as you like, wherever you want them and at whatever height you require them. That’s perfect for building around your facilities, desks and teaching requirements. We can place windows and doors anywhere you like too. There are also lots of lighting options should you decide you need something specific (e.g. ‘daylight’ bulbs for art blocks). If your classroom is to be used for music of any kind, we can also use special sound boarding and sound insulation and even incorporate sound booths and rooms-within-a-room (RWARs) to aid both recording and sound isolation. Communication and networking cabling can also be built into the walls and ceilings, with telephone and Ethernet points anywhere you want them. Gembuild can even add an intercom system and/or intruder alarm should you need it. We can sub-divide the interior space too. We can incorporate a toilet, shower, kitchenette and storage areas — whatever you like!

A classroom unit featuring timber cladding, security light and double-glazed doors & windowsSpecial Needs

We can also build in access ramps, hand rails/ballet rails, emergency and attention pull chords, CCTV, intercoms, a blended water supply pre-set to a safe temperature – you name it and we can probably build it in for you! Perfect if you need to cater for students or tutors with special needs, allow wheelchair access and help to keep everyone safe.

Happy Teachers, Happy Pupils

Teachers, tutors and school head’s seem to love our classroom units – and so do the pupils! We’ve never heard a bad word said about them and educational professionals often sing their praises. Here’s Read more

Fifty shades of grey cladding

The great advantage of Siberian larch and Canadian cedar cladding is their high resistance to decay and high durability from natural preservatives. We use both types of cladding for our garden buildings and all our cladding is FSC or PEFC certified timber from well-managed forests.

Siberian larch has long been used for cladding in Russia and Europe and is very slow grown and consequently much denser, straighter grained and less knotty.

Western red cedar has become one of the most popular species of timber cladding, both internally and externally. The majority of red cedar is imported from North America, particularly Canada. It is also straight grained and largely free of knots.

Our cladding has a fifty year plus life without any need for treatment. The natural oils and resins within the boards keep them free from fungal and insect attack.

As well as a long maintenance free life, you’ll also get pleasure from seeing your garden office changing colour to a beautiful silvery grey.

We have had a cedar panel on test at our offices for over 7 years now (see below). This has gone through several stages of greying but has now settled into the lovely silver colour you see on old churches.

You must not confuse the natural and healthy weathering of your building with fungal attack. The progress of greying is influenced by rainfall and the orientation of the building, and eventually the whole unit will settle in to a uniform silver colour and will remain that way for the many years of life you can expect from a Gembuild garden building.

It may well go through 50 shades of grey before it reaches its final colour but I hope you will agree it was well worth waiting for! 😉

5 years old cedar cladding test board