House Extension Cost Calculator

Find out how much your house extension should cost with our simple cost calculator.

House big would you like your house extension?

Select a size to the nearest metre

How far would you like to extend from your home?

How wide would you like the new extension to be?

What would you like in your house extension?

What type of extension would you like?

What type of roof would you like?

How many windows do you want?

Would you like a roof lantern?

Would you like any velux roof windows?

Do you need a knock through on the house?

Is a single external door required?

Would you like a set of French doors?

Do you need patio doors?

Do you need bi-folding doors?

Would you like a bathroom?

Where shall we send your estimate?

Add your contact details and we’ll send your estimate via email.

What’s your first name

What’s your surname

Add your email address

Which part of the country do you live in?

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