The Process

Complete Kit One Supplier

Create your Dream Extension

Choose your base system
Your Single Storey Extension can be supplied with a Durabase System or alternatively retrofit onto concrete foundations.
Think about size
Think about the space and budget you have available. Single Storey will maufacture your extension to almost any size.
Windows and doors
We have a wide range of quality windows and doors that can be configured to suit your Extension. We even offer high performing aluminium bi-folding doors to help open up your space.
Choose your roof system
Pitched and flat roof options available, all with external soffit detail as standard.
Think style and colours
Which cladding colour will match my roof tiles? Brick Slips to match the house bricks? The choices are yours.
Check out all the optional upgrades
Opening roof windows or fixed glass panels can be added to the Pitched Roof System to maximise the natural light coming into your extension. Ask a member of staff to see what added features are available for you.

Your Questions Answered

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What will the temperature be like inside my Single Storey Extension?

Due to the high performing multi-layer insulation, your Single Storey Extension will retain heat during the winter and be cool during the summer, saving you money on energy bills.

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Will my new roof be strong enough to stand on to clean house windows?

Yes, your Warmer Roof is strong enough to stand on but we advise on all health and safety procedures being carried out prior to doing so.

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Can I make the appearance of my new Single Storey Extension blend in with my house?

Absolutely, you can customise your Extension with a range of tile options, fascia, soffits and brick base borders to match the colours of your house. You can even choose a cladding that will complement the colours in your garden.

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Do I need Building Control Approval?

Generally Building Control is required but it is wise to consult with your local council Building Control department as Building Control opinion can vary from council to council. Single Storey has full Stroma Building Control accreditation so this makes Building Control applications less complicated as an approved system is being used.

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Will my new extension eliminate external noise from inside?

Your Single Storey Extension will substantially reduce external noise especially as the roof and wall insulation itself has acoustic performance properties. This considerable noise reduction will allow you to be more relaxed especially during inclement weather.

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Do I need planning permission?

Not in most cases under permitted development rights however always check with your local planning authority for guidelines.

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Can I use a new or existing concrete base?

Yes, your Single Storey Extension can be retrofitted onto a concrete base however always check with Stroma for approval as your base must comply with current building regulations.