Range from the cheapest single storey extension £34,200 (R i daniels based in SA14) to the dearest single storey extension £47,000 (Shane Griffiths & Son Ltd based in SA44).
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 Ceredigion by posting a job with HaMuch and we will send it to extension builders in Ceredigion.

| Business name | Single storey extension cost |
|---|---|
| Lippiatt Construction, Carmarthen, SA40 | £43,800 |
| Shane Griffiths & Son Ltd, Llandysul, SA44 | £47,000 |
| DERI BROWN T/A D Brown Building Services , LLANDYSUL, SA44 | £40,600 |
| Max Sandford & San, Carmarthen, SA31 | £45,240 |
| SC CONSTRUCTION, Talley, SA19 | £45,400 |
| G.I Davies & Son, Llanegwad, SA32 | £46,200 |
| SP Coupland Ltd, Sir Ceredigion, SY25 | £45,400 |
| The Home Extension Company Ltd, Carmel, SA14 | £39,000 |
| R i daniels, Llanelli, SA14 | £34,200 |
| Norton Construction, Cardigan, Ceredigion, sa43 | £43,000 |
| DRAGON CONSTRUCTION T/A, Tregaron, SY25 | £43,800 |
| F & E Construction, Meidrim, SA33 | £45,400 |
| D.A Fisher General Builders, Llanelli Rural, SA15 | £45,880 |
| ANTIS CONSTRUCTION, Llannon, SA14 | £45,400 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Carmarthen | £24 | £191 |
| Single Storey Extension near Carmarthenshire | £24 | £191 |
| Single Storey Extension near Llanelli | £25 | £196 |
| Single Storey Extension near Gorseinon | £25 | £196 |
| Single Storey Extension near Neath Port Talbot | £26 | £188 |
| Single Storey Extension near Neath | £25 | £191 |