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Double Storey Extension Plans

We use the latest C.A.D. software to create the plans for your double storey extension. We offer a low cost design solution for Planning Permission and Building Regulation applications.

Extension Design Services at low cost fees.

One day design process available!

(See our F.A.Q.)

Double Storey Extension Planning Permission

and Building Regulations Plans

The addition of a double storey extension can add significant value to your home, plus it can stop you having to move house to a larger property and the expensive fees involved.

Over the years we have been asked to design double storey extensions for the following uses :

A new bedroom or bedrooms
An en-suite bathroom
A home cinema room
A nursery
A games room
A home office
A snooker room
A gaming room

The additional space can really make a house a home...

We can take care of the Planning Permission and Building Regulations, so all you have to do is select your builder.


Testimonials and Design samples

"Thank you for you excellent service. We needed some architects plans for a single storey extension, plus a double storey side extension. You explained everything clearly and the plans are excellent. The planning was approved in 8 weeks and we then started to get quotes from builders. We then gained building regulations approval and booked in our builder. The process was simple".

Mr Magill - Stevenage, Hertfordshire

Please click on the links below to see a PDF example of Mr Magills plans (Opens in a new window)

Mrs brazels double storey extension photograqph


"We were unsure where to start, having never had an extension designed and built before. We required full planning permission for a conservatory and double storey extension. The process was clearly explained and took away the worry and hassle of thinking we would have to start dealing with the local council. You made the whole thing completely hassle-free and quickly obtained all of our council approvals".

Double Storey Extension Plans FAQ's:

Questions and Answers:

What will the fees be for my double storey extension plans?

Double Storey Extension Design Typical Fees:

Design and Draw
Technical Drawings for Building Control Application £250.00
+ Council Fees

Council application fees vary from Council to Council and are charged separately to our fees.

Planning Permission Application Fee £206.00 from the 1st January 2020.

If your extension requires any further local authority reports, such as a flood risk assessment, tree survey, structural calculations etc; then these are charged separately to our design fees.

One day design process:

We are able to offer a one day design process, where we are able to call to your property and design your double storey extension at your own home.

This can significantly speed up the design process from several weeks to a single day!

Typical one day design process day:

9.00 AM
Turn up to your property and measure up.
10.30 AM
Set up on a desk / table at your property and design your existing property on AutoCAD.
11.30 AM
Design up 3 different extension ideas based on the design brief as provided by the client.
12.30 PM
Go through design ideas with the client and pick a design the client likes to progress further.
2.30 PM
Section design and agree with the client the final design ready for Planning Permission / Building regulations council applications.
3.30 PM


Go Home.

Finish the plans and submit applications to the local authority.

*Cups of tea and chocolate biscuits may be required from the client to help the process along.

What areas do you cover?

Uk map showing areas we cover with our services

Please contact us to find out more about our services and how we might help with your project.

Why are your fees less than I have been quoted by a local architect?

We attempt to keep our overheads low!

We don't have offices in a city centers. We use the latest in measurement and C.A.D. design software to make our process quick and efficient. We try to be competitive on our pricing so we have a large turnover of clients rather than attempting to charge a client as much as possible.

Will I need planning permission for my double storey extension?

Yes, a double storey extension will require planning permission. We will take care of all aspects of the planning permission on your behalf, such as filling in all application forms and submitting the design to the council.

The Planning Portal is a good place to read about planning permission for your proposed two storey extension.

We will confirm all permissions needed by the planning department, building control and water authority in our site meeting. We will also provide a breakdown of all applications costs involved in your project.

Will I require building regulations approval for my double storey extension?

Yes, a building regulations approval will be required. We will produce the plans for you and submit them to your local authority for a full building regulation approval.

Please contact us to find out more about our services and how we might help with your project.

Do you fill out the local authority application forms and submit the application to the local authority?

We fill in all forms and act as the planning agent from submission until the decision. The application will be viewable on the local authority website so you can keep tabs on local comments and input on the application. You will also be able to see the final dates for the planning decision.

How good are the plans you provide?

Most of our clients are in fact builders. They pass our details to homeowners who are looking to have an extension built. We regularly get calls from builders who have used our plans in the past for new extension projects.

Do you charge for amendments to the plans if the local authority want our extension plans amending?

No, we do not charge for council amendments. You have no control over this, so we don't think its fair that you should be charged extra for something you don't have any control over. We will amend your plans free of charge.

How many sets of plans will I receive?

We provide you with four sets of paper plans and supply the local authority with as many sets as is required for the planning permission and building regulation applications. We will also provide you with a set of PDF plans should you wish to view the plans on a pad / computer or print your own copies.

If you have any questions you would like answering about our extension design services, planning permission or building regulations, please contact us.


More Design Examples of our work:

Mrs Brazell - Farnborough, Hampshire

"We asked for some two storey extension ideas as we had no idea about the design and how to achieve our goals. The team delivered and came up with three different design schemes and we selected the best one".

"A fast, efficient and above all friendly service, nothing was too much trouble and we would happily use your services again. We ended up with a bigger extension than we were advised by the local planning officer and we saved money on the build costs. Excellent service, thanks".

Mrs Rothan - Bingham, Nottinghamshire

Please click on the links below to see a PDF example of Mrs Brazells plans (Opens in a new window)

Two storey Extension Ideas image

Two Storey Extension (PDF FILE)


Please click on the links below to see a PDF example of Mrs Rothans plans (Opens in a new window)

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