Dual Functionality in a Compact Footprint

Carefully planned to maximise its footprint, the outbuilding is split into two distinct zones: a dedicated greenhouse for cultivating plants and seedlings, and a flexible interior room suitable for a range of uses. Whether used for potting, crafting, or quiet focus, the building supports year-round enjoyment of the garden.
The structure is fully insulated and constructed to meet building regulations, ensuring comfort and usability in all seasons.

Flooded with Natural Light
Large roof windows draw natural light deep into the space, creating a bright and inviting environment that benefits both people and plants. Generous glazing to the greenhouse area ensures optimal growing conditions, while also offering wide views across the garden.

Low-Maintenance Materials and Lasting Appeal
The exterior is finished in durable, low-maintenance cladding that will retain its smart appearance with minimal upkeep—ideal for a garden setting. The simple, clean-lined structure complements the surrounding planting and sheds, adding a crisp modern note without dominating the space.

Straightforward and Compliant
This project was completed without the need for planning permission, as it fell within the scope of permitted development guidelines. Like many garden rooms, the structure was carefully designed to meet size and placement criteria, ensuring a smooth and efficient process from design to completion.

A Garden Space with Everyday Benefits
This outbuilding brings new functionality and enjoyment to the garden, offering space for productive tasks, quiet moments, and seasonal growing. With durable materials, natural light, and a layout that supports daily use, it’s a lasting and practical improvement that adds genuine value to the home.

Project Plans

Project Plans

Project Gallery

Insulated Garden Outbuilding in S6 Designed for Year-Round Workspace Use
Insulated Garden Outbuilding in S6 Designed for Year-Round Workspace Use
Insulated Garden Outbuilding in S6 Designed for Year-Round Workspace Use
Insulated Garden Outbuilding in S6 Designed for Year-Round Workspace Use
Insulated Garden Outbuilding in S6 Designed for Year-Round Workspace Use
Insulated Garden Outbuilding in S6 Designed for Year-Round Workspace Use
Extension Plans Sheffield

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Insulated Garden Outbuilding in S6 Designed for Year-Round Workspace Use

Insulated Garden Outbuilding in S6 De...

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Daryl C

We could not be happier with the service provided to plan a single story extension to serve as a bedroom for my Daughter. Al...

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Absolutely fantastic service from ben, he designed the perfect kitchen extension for us, fantastic communication, and ben wen...

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Ben is very knowledgeable with what he does with his job . He has shown his professionalism through out the planning permissi...

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Ben was very friendly and helpful during the development stage, giving advice where required and producing a design that met ...

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Ann S

Ben was really helpful and gave us lots of advice and ideas when designing our extension. He was patient and incredibly knowl...

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Duncan White

Ben did a fantastic job preparing and submitting plans for the issuing of a certificate of legal development on a house I hav...

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Oliver Leyland

Ben designed our loft conversion earlier this year. I can highly recommend his services. He is knowledgeable, polite, helpful...

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Great service from start to finish with regular updates and help always at hand.

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Ben at Sheffield’s Extension Design has been really helpful, he listened to my quirky design ideas and tried to incorporate...

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Brilliant from start to finish. Helped us through every stage offer support, assistance and advice. Highly knowledgeable and ...

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Ty

I would highly recommend Extension Plans Sheffield for Architect Plans. They are totally professional, helpful and follow th...

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Fantastic Architect – Highly Recommend! We worked with Ben over a long period and honestly couldn’t have asked for a bet...

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Jenny Cork

Brilliant service. Ben was highly communicative and listened to all my ideas and thoughts before coming up with excellent des...

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Vincent Cunliffe

Ben did a first class job on our project. He conducted an in-depth site visit, drew up detailed plans and liaised with the bu...

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Francesca Makey

Ben provided a great service in getting plans for our loft conversion. Thanks!

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Cliff Stacey

Ben is a very personable, knowledgeable and reliable young man. He kept us informed every step of the way during the process ...

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Mr Modsiw78

Excellent service & would highly recommend. Always available to offer advice & explain the process & always on the end of the...

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paul johnson

Ben drew up the plans for our lovely kitchen extension. He did a brilliant job, producing just what we needed and he also lia...

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Chris F

We were really pleased with the drawings Ben did for our house extension. He was always fast to respond to questions, flexibl...

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Hassan Khan

Was brilliant in implementing our ideas into reality, went to numerous other firms and architects who had required deposits t...

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John Gilliver

Would highly recommend using this company, Ben was really helpful and made everything simple for us to complete our project ....

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Carl Foxx

I have had a nightmare with my architect and contacted Ben as a last resort in hope of help. Messaged him at 9am and by 13:00...

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alex hsufc

Very good communication all the way through the process of design and build. Always happy to help with any queries even after...

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Michael Collyer

Extension Plans Sheffield have provided me with a professional and efficient service so far. They are always ready to answer ...

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Jamie Smith

Very helpful with a professional approach. Dealt with everything to do with planning application which made it so easy for us...

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Giles Moore

Fantastic to work with Ben, highly recommend them for any extension plans. They not only delivered everything really quickly ...

Reviewer Name

Daryl C

We could not be happier with the service provided to plan a single story extension to serve as a bedroom for my Daughter. Al...

Reviewer Name

Rachel Field

Absolutely fantastic service from ben, he designed the perfect kitchen extension for us, fantastic communication, and ben wen...

Reviewer Name

qunhong song

Ben is very knowledgeable with what he does with his job . He has shown his professionalism through out the planning permissi...

Reviewer Name

Ian Patheyjohns

Ben was very friendly and helpful during the development stage, giving advice where required and producing a design that met ...

Reviewer Name

Ann S

Ben was really helpful and gave us lots of advice and ideas when designing our extension. He was patient and incredibly knowl...

Reviewer Name

Duncan White

Ben did a fantastic job preparing and submitting plans for the issuing of a certificate of legal development on a house I hav...

Reviewer Name

Oliver Leyland

Ben designed our loft conversion earlier this year. I can highly recommend his services. He is knowledgeable, polite, helpful...

Reviewer Name

David Evans

Great service from start to finish with regular updates and help always at hand.

Reviewer Name

Becky Virgo

Ben at Sheffield’s Extension Design has been really helpful, he listened to my quirky design ideas and tried to incorporate...

Reviewer Name

Nick Gascoyne

Brilliant from start to finish. Helped us through every stage offer support, assistance and advice. Highly knowledgeable and ...

Reviewer Name

Ty

I would highly recommend Extension Plans Sheffield for Architect Plans. They are totally professional, helpful and follow th...

Reviewer Name

Mohammed Hussain

Fantastic Architect – Highly Recommend! We worked with Ben over a long period and honestly couldn’t have asked for a bet...

Reviewer Name

Jenny Cork

Brilliant service. Ben was highly communicative and listened to all my ideas and thoughts before coming up with excellent des...

Reviewer Name

Vincent Cunliffe

Ben did a first class job on our project. He conducted an in-depth site visit, drew up detailed plans and liaised with the bu...

Reviewer Name

Francesca Makey

Ben provided a great service in getting plans for our loft conversion. Thanks!

Reviewer Name

Cliff Stacey

Ben is a very personable, knowledgeable and reliable young man. He kept us informed every step of the way during the process ...

Reviewer Name

Mr Modsiw78

Excellent service & would highly recommend. Always available to offer advice & explain the process & always on the end of the...

Reviewer Name

paul johnson

Ben drew up the plans for our lovely kitchen extension. He did a brilliant job, producing just what we needed and he also lia...

Reviewer Name

Chris F

We were really pleased with the drawings Ben did for our house extension. He was always fast to respond to questions, flexibl...

Reviewer Name

Hassan Khan

Was brilliant in implementing our ideas into reality, went to numerous other firms and architects who had required deposits t...

Reviewer Name

John Gilliver

Would highly recommend using this company, Ben was really helpful and made everything simple for us to complete our project ....

Reviewer Name

Carl Foxx

I have had a nightmare with my architect and contacted Ben as a last resort in hope of help. Messaged him at 9am and by 13:00...

Reviewer Name

alex hsufc

Very good communication all the way through the process of design and build. Always happy to help with any queries even after...

Reviewer Name

Michael Collyer

Extension Plans Sheffield have provided me with a professional and efficient service so far. They are always ready to answer ...

Reviewer Name

Jamie Smith

Very helpful with a professional approach. Dealt with everything to do with planning application which made it so easy for us...

Reviewer Name

Giles Moore

Fantastic to work with Ben, highly recommend them for any extension plans. They not only delivered everything really quickly ...

Planning a single storey rear extension?

Planning a single storey rear extension?

Choose our experienced and reputable professionals at Extension Plans Sheffield to ensure that your single storey rear extension is beautifully designed and enhances your living space.

If you’re looking for expert guidance on planning your extension, contact our team in Sheffield today!

 

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FAQs

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