Range from the cheapest Basement conversion £25,800 (R i daniels based in SA14) to the dearest Basement conversion £33,270 (Summitt Properties based in SA18).
Comparing extension builders estimates for a Basement conversion 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 for the cost to convert a basement in Llandovery by posting a job with HaMuch and we will send it to extension builders in Llandovery.

| Business name | Basement conversion cost |
|---|---|
| SC CONSTRUCTION, Talley, SA19 | £32,100 |
| D J Howells, Betws, SA18 | £32,640 |
| S H PHILLIPS BUILDING CONTRACT, Betws, SA18 | £32,460 |
| Lippiatt Construction, Carmarthen, SA40 | £31,200 |
| CR BUILDING & MAINTENANCE SERV, Betws, SA18 | £32,370 |
| Dale Hopkins, Ystradgynlais, SA9 | £32,640 |
| Evans Home Improvements, Ystradgynlais, SA9 | £32,550 |
| The Home Extension Company Ltd, Carmel, SA14 | £28,500 |
| P PUGH BUILDERS LTD, Blaenhonddan, SA10 | £33,000 |
| Summitt Properties, Carmarthenshire, SA18 | £33,270 |
| R i daniels, Llanelli, SA14 | £25,800 |
| DEREK REES BUILDING MAINTENANC, Brecon, LD3 | £31,200 |
| GAB BUILDING CONTRACTORS LTD, Betws, SA18 | £32,460 |
| R E Davies, Betws, SA18 | £32,010 |
| OSBORNE BUILDING SERVICES, Betws, SA18 | £32,100 |
| DRAGON CONSTRUCTION T/A, Tregaron, SY25 | £31,200 |
| SP Coupland Ltd, Sir Ceredigion, SY25 | £32,100 |
| ANTIS CONSTRUCTION, Llannon, SA14 | £32,100 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Basement Conversion near Neath Port Talbot | £26 | £188 |
| Basement Conversion near Neath | £25 | £191 |
| Basement Conversion near Aberdare | £28 | £186 |
| Basement Conversion near Carmarthen | £24 | £191 |
| Basement Conversion near Carmarthenshire | £24 | £191 |
| Basement Conversion near Merthyr Tydfil | £28 | £187 |
| Basement Conversion near Gorseinon | £25 | £196 |
| Basement Conversion near Swansea | £25 | £197 |
| Basement Conversion near Llanelli | £25 | £196 |
| Basement Conversion near Tredegar | £20 | £200 |