Built with Marshalls Cromwell Rustic stone, roof tiles and detailing to match the main house, the extension blends seamlessly with the existing structure. French doors open onto the garden, allowing natural light and easy access while maintaining privacy and practicality.

Functional, Accessible Living Space

Additional Ground-Floor Bedroom and Shower Room:
The new accommodation provides a comfortable, accessible space ideal for guests or family members requiring ground-floor living. The internal layout was carefully planned to make the best use of the available footprint and provide a fully self-contained arrangement.

Coordinated Design and Detailing:
To maintain consistency with the original building, external materials were selected to match the existing stonework, roof tiles, fascia and soffits. This ensures a visually cohesive finish and preserves the character of the property within the surrounding Sheffield area.

Natural Light and Garden Access:
French doors provide direct access to the garden, enhancing daylight and offering a strong visual link between the interior and outdoor space.

Technical Design and Compliance:
The drawings and specification were produced to meet Building Regulations  approval for structure, insulation, drainage, and fire safety. The final design ensures a robust, compliant and energy-efficient extension that adds long-term value and functionality.

Planning Permission – Larger Home Extension Process

This project required planning permission under the Larger Home Extension process, as the extension depth exceeded the limits of standard Permitted Development. The planning drawings prepared for the application illustrated the scale, design, and materials of the proposal and were submitted to the Local Planning Authority for neighbour consultation and approval.

For homeowners interested in extending under this route, more details about the Larger Home Extension process in Sheffield are available in our blog on larger home extensions, explaining how the Prior Approval procedure works and what to expect during the process.

Planning and Building Regulations Drawings – Sheffield

All planning permission and building regulations drawings for this project were prepared as part of a complete design package. The extension plans included scaled floor plans, elevations, and detailed construction notes demonstrating compliance with the relevant sections of the Building Regulations.

Producing accurate, compliant drawings helps streamline the approval process and supports a smooth build on site, showing how professional house extension drawings can save time, reduce risk, and ensure quality outcomes.

A Seamless and Practical Addition

The finished single-storey rear extension provides valuable extra living space designed for comfort, accessibility and independence. With careful attention to materials, proportions and compliance, the project demonstrates how high-quality home extension drawings and planning permission plans can deliver practical and attractive results that integrate perfectly with the existing home.

 

Project Plans

Project Plans
Project Plans
Project Plans

Project Gallery

Single Storey Rear Extension – Sheffield S26
Single Storey Rear Extension – Sheffield S26
Single Storey Rear Extension – Sheffield S26
Extension Plans Sheffield
Single-Storey Rear Extension – Sheffield S10, Fulwood Area thumbnail image

Single-Storey Rear Extension – Sheffield S10, Fulwood Area

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Single Storey Rear Extension – Sheffield S26 thumbnail image

Single Storey Rear Extension – Sheffield S26

Single Storey Rear Extension – Shef...

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Two-Storey Side and Single-Storey Rear Extension – Sheffield S7, Millhouses thumbnail image

Two-Storey Side and Single-Storey Rear Extension – Sheffield S7, Millhouses

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What Our Customers Say

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qunhong song

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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Ian Patheyjohns

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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David Evans

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

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Becky Virgo

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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Nick Gascoyne

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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Mohammed Hussain

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...

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 ...

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?

At Extension Plans Sheffield, we ensure that your single storey extentsions are beautifully designed to enhance any living space.

If you’re looking for expert guidance on planning your extension, contact us today!

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FAQs

Do I need planning permission for a loft conversion

Where do loft conversion stairs go?

How much head height do I need for a loft conversion?

How long does the design and approval process take?

What will be included on the loft conversion plans?

Do you provide structural calculations and steelwork details?

What if my loft isn’t suitable for conversion?