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Answer a few quick questions below and we'll estimate the costs involved from our extensive experience working with projects like yours
Construction cost estimator
The three main factors are extension type, the size and your location
What type of property is this?
Select a part of your house to choose an extension type
Loft
Ground
First
Basement
Two Storey
How big is the area being changed in square metres?
The total of the new area being added, and existing area impacted
Or a specific size (sqm)
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bottom
A few details about you...