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Designed to perfectly fit your space
Your dream garden room. Designed and fully installed. Get your free bespoke quote today.

Whether you need extra space, our insulated garden rooms can be used all year round and are custom designed and fully installed with electrics within weeks usually without the need for planning permission .
Prices start from £14,000. Fill in your details below and get a free no obligation quotation.




Customer satisfaction is our top priority.
Our garden rooms come with 10-year manufacturers guarantee for complete peace of mind. Additionally, we offer a price promise guarantee: if you find a garden room with the same specifications at a lower price, we will beat it.
Absolutely love our new room - could not be more delighted. Everything is top quality and finished immaculately. The whole team are lovely fellas and great craftsmen who take pride in everything they do...

Fully insulated, with a ten year guarantee...
Our garden rooms are fully insulated with double glazing, electrics and concrete base as standard. They are safe, secure and can be used all year round. Every room is manufactured in the UK and backed by a healthy 10 year guarantee for extra piece of mind.
What our customers say...



Price Guide
As a guide, here is an example garden room and prices. The specification of the building is:



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1.8m French doors
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Two full-height windows (0.5m wide) with top lights (opening top windows)
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Hardie board maintenance-free exterior cladding (choice of 21 colours)
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Concrete foundation base
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300mm composite decking step
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Full building electrics package, including LED dimmable lighting, double sockets, canopy spots, two up/down lights, and a wall heater
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Delivery/Travel, installation location: Leicestershire
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Flooring and internal decorating
Approximate Prices
Title | 3m Width | 4m Width | 5m Width | 6m Width |
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2m Depth | £14,500 | £17,500 | £19,400 | £21,600 |
3m Depth | £17,800 | £20,200 | £23,600 | £24,800 |
4m Depth | £19,900 | £23,900 | £26,900 | £28,500 |
Every one of our garden room projects are built to our customers bespoke needs. The above prices are a guide to final cost. Use the form below to submit your own requirements and we'll be in touch with a no obligation quote based on your design for your consideration.

What we've ended up with is better than an extension...
We would definitely recommend Cosy Garden Rooms. We were really happy with everything; the design process the team on site were brilliant. We ended up with exactly what we wanted. We use the space all the time and its really added something to the property.
Zac, Nottingham
Why choose Cosy Garden Rooms?
Huge range of customisations available
Free no obligation site survey and design service
Customer service you can rely on from start to finish
What our customers say...




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Sedum green roofs
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Solar panels
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Halo lighting
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Wall mounted radiator
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Track lighting
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Aluminium windows and doors
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Bespoke wall coverings and wallpaper graphics
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Windows with integral blinds
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Higher than standard buildings

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Roof lanterns
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External lighting options
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Drinks bar
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Additional electrical components
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Composite and timber grip decking
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Skylights, pitched roofs and bi-fold doors
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Composite vertical slat, stone and brick cladding
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Underfloor heating and air conditioning
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Internal partition walls and doors
More options and choices than any other supplier
We believe we are the most bespoke garden room designer and builder in the UK. Innovative, contemporary options include:
Do I need planning permission?
Most of our garden rooms are designed so that they can be installed without planning permission without compromise on design or aesthetics. We can advise you on all aspects of this. You can read more in our FAQs.


Price Match Guarantee on all local installations
We will match any like-for-like local garden room quote. We understand the importance of finding the best price for your garden room. If you find a lower price for the same product and service, we'll match it, so you can feel confident in your purchase.
* A 'local quote' is classed as a quote for an installation located within a 60 mile radius of NG16 7JJ.
What our customers say...


Make the first step to owning your own dream garden room...
Whether you need extra space, our insulated garden rooms can be used all year round and are custom designed and fully installed with electrics within weeks.