Extension proce per sq metre

SINGLE OR TWO-STOREY EXTENSION TO HOUSE
WITH RENOVATIONS TO EXISTING HOUSE


Single/two storey extension to rear or side of house
• Traditional materials
• Standard construction methods
• Strip foundations
• Insulated cavity walls
• Flat or pitched roof
• Moderate amount of services
• New kitchen/bathrooms
• Renovations/alterations to the existing house including services
• Assumes standard site and access conditions

Cost Range per m2
€2,000 to €2,500

Note:
• These figures will increase for small scale work
• Where the new work is to a specific design and/or with high quality finishes use
a figure in the order of €2,600 to €3,400 per m2
could apply
• In providing cost estimates the architect should make the client aware of the cost implications of high
quality kitchens, bathroom fittings and tiling which can increase these guideline figures significantly

BASIC SINGLE OR TWO-STOREY EXTENSION

1. Traditional materials
2. Standard construction methods
3. Strip concrete foundations
4. Insulated cavity walls
5. Flat or pitched roof
6. Minimum extent of services
7. Assumes standard site and access conditions

Cost Range per m2
€1,900 to €2,300

Note:
• These figures will increase for small scale work