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Keep up to dateDETR estimates of the cost of the regs | ||
Proposals with effect from 2002 | Proposals with effect from 2004 | |
New detached and semi-detached dwellings | £500-800 | £900-1400 |
Smaller types of homes | £400-800 | £600-1100 |
Naturally ventilated non-domestic buildings | £7/m2 | £10/m2 |
Air-conditioned non-domestic buildings | £4.80/m2 | n/a |