Get a Free Quote | Modular Home Extensions — OBG Group
Home/ Get a Free Quote
Modular Home Extensions — OBG Group

Start your free extension quote.

Tell us a little about what you're looking to achieve and our team will be in touch with a free, no-obligation estimate for your project.

How big would you like
your extension to be?

Enter a rough footprint if you have one in mind. Don't worry if you're not sure yet — our architects will advise during your consultation.

Extension footprint dimensions diagram
m
m

Projection is the distance from the back of your house to the end of the extension.

I don't know my dimensions yet →

What style of windows & doors
are you interested in?

Please select the glazing layout you have in mind. You can have windows and doors wherever suits your project — this just helps us understand your vision.

Contemporary extension windows and doors
Contemporary extension
Contemporary orangery windows and doors
Contemporary orangery
Glazed extension windows and doors
Glazed extension
Traditional extension windows and doors
Traditional extension
Traditional orangery windows and doors
Traditional orangery

What roof style would
you prefer?

If you know what roof style you'd like, please select it below. Our architects can also advise on the most suitable option for your property during your consultation.

Tiled roof style
Tiled
Hybrid roof style
Hybrid
Glass roof style
Glass
Flat roof style
Flat

What wall finish are
you thinking about?

You may not have decided on a finish yet — if not, just skip this step. If you do have a preference, it helps us prepare a more tailored estimate.

Render wall finish
Render
Brick mesh wall finish
Brick mesh
Timber wall finish
Timber
Cement board wall finish
Cement board

Almost there — your details.

Leave us your contact details and one of our architects will be in touch to discuss your project and provide a free, no-obligation quote.

Your project so far

Thank you — we're on it.

Your quote request has been received. One of our architects will be in touch within one working day to discuss your project and arrange a free no-obligation site visit if required.

In the meantime, feel free to explore our extension systems or read about how we work.

Explore our extension systems →
HUPApproved installer
BBAIndependently certified
10yrStructural guarantee
OBGIn-house architects