Extension Cost Calculator

CALCULATOR

Tell us about your project

We'll use this information to provide an accurate cost estimate

Which area of the house do you want to extend?

You can select multiple options

🏗️

Extension

£2,000/sqm

🔨

Renovation

£1,500/sqm

🏠

Loft Conversion

£1,800/sqm

How big is the area being changed in square metres?

The total of the new area being added, and existing area impacted

📐

Small

(25sqm)

📐

Medium

(40sqm)

📐

Large

(55sqm)

Specific size (sqm)

When are you hoping to start the design process?

ASAP

3 Months

6 Months

12 Months

18 Months +

I'm not sure

Are you interested in any of these services?

Architectural drawings

Design and planning advice

Help with financing my build

Help finding a builder

Help finding other professionals

No, thank you

A few details from you, please...

Address*

First name*

Last name*

Email*

Phone*

Where did you hear about us?

📊

Your cost estimate will appear here

Fill in the form to get an instant cost breakdown for your extension project