Bi-folding Doors

Great Connection; Open up your home and enjoy clear panoramic views on warm summer days with our custom made Bi-Folding doors. Slim sight-lines and effortless opening make this one of our most popular products.
Great Protection; In weather tests our Bi-folding doors surpassed many comparable products and remained watertight whilst withstanding air pressure four times greater than the required industry standard (BS 6375), providing the ultimate protection for your home.

Sliding Doors

Expand Your Horizons; With our range of bespoke slim-line sliding doors you can enjoy extensive views and light-filled rooms whatever the weather. The easy-glide action of large glazed panels make these doors a bold and elegant alternative to our bi-folding range. With standard ‘In-Line’ and ‘Lift & Slide’ options available – we’re sure you’ll find the right product to make a dramatic impact in your home.

Bespoke Entrance Doors

We have a range of 3 entrance door systems; Our NEW Inotherm Door combines state-of-the-art design with the latest in hi-tech security, our Auto-Lock Door provides instant protection and clear-cut, modern style, our Lever-Lock Door delivers versatility, simplicity and elegance.

You can choose from a wide range of styles or design something unique. Whatever your preference – we’re certain you’ll find the perfect door to create a memorable first impression.

View our Inotherm Entrance Doors Special Offers

Aluminium Windows

Our Premium Casement Windows are built to withstand the worst of the Great British weather. Custom-made to complement the other products in our range – these stylish, energy efficient windows can be manufactured to create large span Atrium and Apex windows as well as conventional casements.

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"Green Circle are Conscientious, Reliable and represent Good Value in the long term. For these reasons I chose them without hesitation when building my own home."

Andy Coughlan MCSD MCIAT, cogi design - architecture and interiors, Newton Ferrers

CASE STUDIES

Tavistock

After selling their company, our client was on the search
for a new project during a year off work. Looking in the
Tavistock area, they discovered a two storey garage
with some great potential.

Read More

Homeleigh, Sheviock

Having found the perfect location for their
family home, our client needed to find
a way of converting a 1930s property
into a light and spacious modern dwelling.

Read More

We have another six windows and a door to order in the new-year and we will not consider any other supplier. I can recommend Green Circle without hesitation

Nigel Savage, Portscatho

Thank you for your attention to detail, the fitting seemed to go very well and the completed job looks very good!

Dr Sharples, Noss Mayo

Many thanks for our Sliding Doors – they look terrific and the guys who installed them worked very hard

Andrew Lethbridge MCIAT ACIOB, ALA Architecture & Design, Kingsbridge

Excellent, professional service from start to fininsh

Paul, Plymouth

Your Installers; Steve and Richard were Excellent!

Sheila Priddes, Exmouth

Excellent customer service and a brilliant product. Expectations exceeded all round!

Mr & Mrs Harding, Cornwall

Everything flowed very smoothly. Good all round result. Thank You!

CT, Plymouth, Devon

Very pleased with all aspects of the service

David and Alison Crockford, Newton Ferrers

Please let Trevor and the team know my client is absolutely delighted with the work you’ve done and the completed project

Malcolm G Kingdon BA (Hons) DP ARCH RIBA, MGK Architecture Ltd, South Hams

We were very impressed with the way everything came into place, thank you all for your kindness and efficiency. We would not hesitate to recommend or use you again

Paul and Mary Hill, Elburton

Professional company with excellent fitters and a high quality product

Tavistock Property Services, Devon

A Special Thank you for doing a Great Job, we truly appreciate your professionalism and attention to detail

Derek & Sue, Seaton

I’m really pleased with the windows and doors. After having been initially surprised by the price of aluminium frames, I can honestly now say they’re worth every penny

Allun Davies, Larkham Building Contractors Ltd. (LABC Award Winning Builder – Best New Dwelling 2016)

We are very happy with the whole process from the first contact to the final fix. Everyone has been very helpful and made us feel valued as customers on a personal level

Larry & Jenny Base, Tavistock

The whole experience has been wonderful; kind, caring and patient people giving very sound advice, with a great fitting team to complete the job. Thank you to everyone for our finished doors and windows

CG, Dartmouth

First class installation. This is a company I would recommend as being completely reliable for quality products and service

Gill Regan, Plymstock

Very pleased with all aspects of the service

David and Alison Crockford, Newton Ferrers

We’re absolutely delighted with our new doors – many thanks to the whole team for a job well done

Cynthia & Roger Phipps, Ivybridge

Many thanks for a job well done. As you know we’re very exposed up here and I’m happy to report that after 2 winters our Bi-Folding doors are working perfectly and have stood up to the test of some very severe weather

Peter Cade, Sheviock - Cornwall

We are very pleased with the installation, and will certainly use Green Circle for future projects

Michael James RIBA, Newton Ferrers

Everyone we dealt with was professional, courteous & knowledgeable. I would recommend Green Circle to anyone

Graham & Susan, Turnchapel

We’re very happy with the doors & windows and would like to say a huge thank you for the professional service we received. We recommend Green Circle highly

Colin and Catherine Jenner, Westcove, Cornwall

Interesting and reassuring to see the manufacturing process when we visited the first time

Richard and Gweno Brown, Hope Cove

We were impressed by the obvious quality of the doors and the care with which they were installed by your skilled and courteous fitters

Robert Davies, Newton Ferrers

Great product. Excellent service.

Graham Kinchin, Ivybridge

Brilliant! The installation went really well and the installers cleaned up thoroughly – you’ve given the competition something to aspire to

Nick Robinson, Kingsbridge

A first class company with an excellent product – designed and installed by a professional and friendly team. Please pass on our sincere thanks to all involved for making the whole experience such a pleasure

John and Elaine Taylor, Saltash, Cornwall

We would be delighted to recommend Green Circle as both their service & product was excellent

Mr & Mrs Houchin, Tavistock

Many thanks for a job well done, the finished project exceeded our expectations; we look forward to working with you in the near future on our ongoing project

Trevor Clarke, Newton Ferrers

On-site everyone was great, particular thanks to Steve who took so much effort to avoid undue mess

N. Stanbury, Newton Abbot, Devon

Your surveyor and installers could not be more helpful and pleasant during installation. All interactions with the office were friendly and helpful

Lyn and Richard Sczcepura, Totnes

A big Thank you to Steve & Richard – the installation went without a hitch. Everyone who sees our new bi-folding doors is blown away. Well done to all at Green Circle for making us very happy customers

Keith & Linda Amery, Plymouth

I would like to say a big Thank You to all at Green Circle, I have over 35 years experience in the construction industry and the Aluminium windows you provide are the best I have come across

Jerry McDonagh, Trevone

Many thanks for the installation yesterday, which was completed to a high standard. We would also like to compliment the installation team on their polite and obliging manner

Peter Wilkinson, Stoke Gabriel

The team is very approachable and cheerful

David and Alison Crockford, Newton Ferrers

Green Circle are conscientious, reliable and represent good value in the long term. For these reasons I chose them without hesitation when building my own home

Andy Coughlan MCSD MCIAT, Cogi Design, Newton Ferrers

Thanks for all you have done to make our home look wonderful

Adrian & Kate Herring, Kingswear

We were very pleased with the accuracy with which everything was measured and manufactured

Brian Lawrence, Cray Croft

In these days when care and attention to detail is brushed under the carpet – it is good to see these old values are still around in Green Circle

Graham Platt, Yealmpton

Delighted with our new door, your installer Steve did an excellent job

Mike & Vivienne Waldock, Downderry

You were very helpful and patient with us, we appreciated your attention to detail, especially in the fitting stage. Very happy with the end product. Please pass on our thanks to the whole team

Jimmy Shanks & Anna Ritchie, Yeolmbridge, Cornwall

Your guys turned up on time, looking smart and were very easy to deal with. My client and I would like to thank you all for an excellent job

James England, In2Build, St. Austell

Excellent in all Respects. Efficient and friendly installation and the doors are perfect

J. Cochrane, Kingsbridge

Excellent product and service – just as we were promised

J Greenland, Newton Ferrers Devon

Very Happy with the Quality and Workmanship of the Bi-Fold Doors and Windows, Your Installer was very Helpful

Kate & Mike Brampton, Ugborough

Your wonderful windows will be the ‘Jewel in the Crown’ of our new extension, framing the waterside views

Graham & Susan, Turnchapel