Range from the cheapest single storey extension £37,880 (R.J Builders based in BT67) to the dearest single storey extension £47,000 (GMC Construction based in BT70).
Comparing extension builders estimates for fitting a downstairs toilet gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to build a single storey extension in Richhill by posting a job with HaMuch and we will send it to extension builders in Richhill.

| Business name | Single storey extension cost |
|---|---|
| Terry Design, Belfast, Armagh, BT62 | £45,080 |
| Power Construction, Drumgor, BT65 | £39,480 |
| The Method Group, Gibson's Hill, Craigavon, BT66 | £39,480 |
| R.J Builders, Aghagallon, BT67 | £37,880 |
| GMC Construction, Dungannon, BT70 | £47,000 |
| JP&S Construction Ltd, 8 Derraghadoan Road, Dungannon, Tyrone, BT70 | £42,680 |