Extensions

Expect to pay more than £1600 per m² for a timber frame extension. However, this can rise considerably depending on labour and material costs.  Extension Cost per m² Below are the average costings of all the elements needed to create a timber frame extension: Therefore, for an average single-storey timber frame extension of 4m x …

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Expect to pay at least £1400 per m² for a SIPs extension. However, this can increase considerably, particularly with the rises in material and labour costs.  SIPs Extension Cost per m² For a SIP extension or building itself, expect to pay approximately £1400 / m². SIPs are less common on ground floor extensions but much …

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