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Build cost estimates in 5 working days

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What type of extension is this?

Ground Floor

Rear

Side Infill

Side

Wraparound

Side And Rear

Loft

Main Dormer

Outrigger Dormer

Hip To Gable With Main Dormer

Hip To Gable With No Dormer

L Shaped Dormer

First Floor

Side And Rear

Rear

Rear Over Outrigger

Rear Over Ground Floor

Side

Other

Garage - Conversion

Garden - Annex

Two Storey - Rear

Two Storey - Side

Do you already have architectural designs?

Yes

We'd love to help, but you'll need drawings first

If you have architectural drawings, it’s as simple as submitting to your local council. If you don’t have architectural drawings yet, don’t worry we can get a quote for you.

Get a quote

Do you already have planning permission?

Yes

It comes under permitted development

I don't know

Just a second...

Unfortunately, we can’t submit other architect’s drawings to planning on your behalf. However, if you want to make changes to the designs first, then we can certainly help. Book a free advice call below to learn how we can help with your project.

Speak to an expert

Do you already have building regulations drawings?

Yes

I don't know

Just FYI...

We can get you one-line estimates from builders without building regulations drawings, but they’ll be needed to fully tender.

What are building regulations drawings?

What's your budget for the project?

< £30k

£30k - £70k

£70k - £150k

£150k - £250k

£250k +

I don't know

Our 12 month averages

We've calculated these prices based on projects primarily in London and the south-east. They cover 'first fix' and exclude VAT.

A few details from you, please...

* First name

* Last name

* First line of project address

* Project postcode

* Email

* Phone

Where did you hear about us?

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