The underfloor-heating.co.uk directory includes suppliers, fitters and related companies operating in the following areas of the UK:

ENGLAND

Bedfordshire (Bedford, Luton, Dunstable, Leighton Buzzard, Biggleswade, Sandy)
Berkshire (Reading, Bracknell, Maidenhead, Newbury, Windsor, Wokingham, Abingdon)
Buckinghamshire (Aylesbury, Milton Keynes, Slough, Buckingham, High Wycombe)
Cambridgeshire (Cambridge, Wisbech, Ely, March, Whittlesey, Chatteris, Linton)
Cheshire (Chester, Stockport, Birkenhead, Wallasey, Runcorn, Macclesfield, Crewe)
Cornwall (Bodmin, Truro, Camborne, Redruth, St. Austell, Falmouth, Penzance, Newquay)
Cumbria (Carlisle, Whitehaven, Workington, Penrith, Keswick, Brampton)
Derbyshire (Derby, Chesterfield, Ilkeston, Swadlincote, Buxton, Matlock, Ashbourne)
Devon (Exeter, Plymouth, Torquay, Paignton, Barnstaple, Tiverton, Newton Abbot, Tavistock)
Dorset (Dorchester, Poole, Weymouth, Sherborne, Wimborne Minster, Shaftesbury)
Durham (Durham, Sunderland, Stockton-on-Tees, Darlington, Hartlepool, Gateshead, Washington)
Essex (Chelmsford, Basildon, Romford, Southend, Colcheter, Harlow, Brentwood, West Ham)
Gloucestershire (Gloucester, Bristol, Cheltenham, Stroud, Cirencester, Tewkesbury)
Hampshire (Winchester, Southampton, Portsmouth, Bournemouth, Basingstoke, Newport)
Herefordshire (Hereford, Ross-on-Wye, Leominster, Ledbury, Bromyard, Kington)
Hertfordshire (Hertford, Watford, St. Albans, Hemel Hempstead, Stevenage, Hatfield)
Huntingdonshire (Huntingdon, St. Ives, St. Neots, Ramsey, Yaxley)
Kent (Maidstone, Canterbury, Bromley, Rochester, Margate, Folkestone, Dover, Greenwich)
Lancashire (Lancaster, Liverpool, Manchester, Preston, Bolton, Warrington, Barrow-in-Furness)
Leicestershire (Leicester, Loughborough, Hinckley, Melton Mowbray, Coalville, Lutterworth)
Lincolnshire (Lincoln, Grimsby, Scunthorpe, Boston, Grantham, Stamford, Skegness, Louth)
Middlesex (City of London, Harrow, Enfield, Staines, Ealing, Potters Bar, Westminster )
Norfolk (Norwich, Great Yarmouth, King's Lynn, Dereham, Cromer, Hunstanton)
Northamptonshire (Northampton, Peterborough, Corby, Kettering, Wellingborough)
Northumberland (Alnwick, Newcastle-upon-Tyne, Morpeth, Hexham, Berwick-upon-Tweed)
Nottinghamshire (Nottingham, Mansfield, Worksop, Newark, Retford, Southwell) Oxfordshire (Oxford, Banbury, Witney, Bicester, Henley-on-Thames, Carterton, Thame)
Rutland (Oakham, Uppingham. Cottesmore)
Shropshire (Shrewsbury, Telford, Oswestry, Bridgnorth, Whitchurch, Market Drayton, Ludlow)
Somerset (Taunton, Bath, Weston-super-Mare, Yeovil, Bridgwater, Wells, Glastonbury)
Staffordshire (Stafford, Stoke-on-Trent, Wolverhampton, Walsall, Cannock, Lichfield)
Suffolk (Ipswich, Bury St. Edmunds, Lowestoft, Felixstowe, Sudbury, Haverhill, Bungay)
Surrey (Guildford, Croydon, Woking, Sutton, Kingston-on-Thames, Wandsworth, Wimbledon, Brixton)
Sussex (Chichester, Brighton, Worthing, Crawley, Hastings, Eastbourne, Bognor Regis, Horsham)
Warwickshire (Warwick, Birmingham, Coventry, Nuneaton, Rugby, Solihull, Stratford-upon-Avon)
Westmorland (Appleby, Kendal, Windermere, Ambleside, Kirkby Lonsdale)
Wiltshire (Trowbridge, Salisbury, Swindon, Chippenham, Devizes, Marlborough, Warminster)
Worcestershire (Worcester, Dudley, Kidderminster, Stourbridge, Halesowen, Malvern, Evesham)
Yorkshire
North Riding (Northallerton, Middlesbrough, Scarborough, Whitby)
East Riding (Beverley, Hull, Bridlington, Driffield, Hornsea, Filey)
West Riding (Wakefield, Leeds, Sheffield, Bradford, Halifax, Harrogate)
York (within the Walls)

NORTHERN IRELAND

Antrim (Belfast, Newtonabbey, Lisburn, Ballymena, Carrickfergus, Larne)
Armagh (Armagh, Lurgan, Portadown, Craigavon)
Down (Downpatrick, Bangor, Newtonards, Newry, Dundonald, Banbridge)
Fermanagh (Enniskillen)
Londonderry (Derry, Coleraine, Limavady)
Tyrone (Omagh, Cookstown)

SCOTLAND

Aberdeenshire (Aberdeen, Peterhead, Fraserburgh, Inverurie, Huntley, Ellon, Turriff)
Angus / Forfarshire (Forfar, Dundee, Arbroath, Brechin, Montrose, Carnoustie, Kirriemuir)
Argyllshire (Inveraray, Oban, Dunoon, Campbeltown, Lochgilphead, Tobermory)
Ayrshire (Ayr, Kilmarnock, Irvine, Saltcoats, Kilwinning, Largs, Troon, Cumnock)
Banffshire (Banff, Buckie, Keith, Macduff, Portsoy, Dufftown)
Berwickshire (Greenlaw, Duns, Eyemouth, Lauder, Coldstream)
Buteshire (Rothesay, Millport, Brodick, Lochranza)
Cromartyshire (Cromarty, Ullapool)
Caithness (Wick, Thurso, Halkirk, Castletown)
Clackmannanshire (Clackmannan, Alloa, Tillicoultry, Tullibody)
Dumfriesshire (Dumfries, Annan, Lockerbie, Moffat, Sanquhar, Langholm, Gretna)
Dunbartonshire / Dumbartonshire (Dumbarton, Clydebank, Cumbernauld, Helensburgh, Alexandria, Kirkintilloch)
East Lothian (Haddington, North Berwick, Dunbar, Tranent, East Linton)
Fife (Cupar, Dunfermline, Glenrothes, Kirkcaldy, St. Andrews, Cowdenbeath, Burntisland)
Inverness-shire (Inverness, Fort William, Kingussie, Newtonmore, Portree)
Kincardineshire (Stonehaven, Banchory, Laurencekirk, Inverbervie)
Kinross-shire (Kinross, Milnathort)
Kirkcudbrightshire (Kirkcudbright, Castle Douglas, Dalbeattie, New Galloway)
Lanarkshire (Lanark, Glasgow, East Kilbride, Hamilton, Motherwell, Coatbridge, Carluke)
Midlothian (Edinburgh, Musselburgh, Penicuik, Dalkeith, Bonnyrigg)
Morayshire (Elgin, Forres, Rothes, Lossiemouth, Fochabers)
Nairnshire (Nairn, Auldearn, Cawdor, Ferness)
Orkney (Kirkwall, Sromness, Balfour)
Peeblesshire (Peebles, Innerleithen, West Linton)
Perthshire (Perth, Crieff, Pitlochry, Callander, Blairgowrie, Rattray, Coupar Angus, Kincardine)
Renfrewshire (Renfrew, Paisley, Greenock, Johnstone, Port Glasgow, Barrhead, Kilmalcolm)
Ross-shire (Dingwall, Stornaway, Tain, Alness, Invergorden)
Roxburghshire (Jedburgh, Hawick, Kelso, Melrose, Roxburgh)
Selkirkshire (Selkirk, Clovenfords, Galashiels)
Shetland (Lerwick, Scalloway, Baltasound)
Stirlingshire (Stirling, Falkirk, Grangemouth, Kilsyth, Bridge of Allan, Denny, Alva)
Sutherland (Dornoch, Helmsdale, Brora, Golspie, Lairg, Durness, Tongue)
West Lothian (Linlithgow, Livingston, Bo'ness, Broxburn, Whitburn, Armadale, Bathgate)
Wigtownshire (Wigtown, Stranraer, Newton Stewart, Whithorn)

WALES (including Monmouthshire)

Anglesey (Beaumaris, Holyhead, Llangefni, Amlwch, Menai Bridge)
Brecknockshire (Brecon, Builth Wells, Hay-on-Wye, Talgarth, Llanwrtwd Wells)
Caernarfonshire (Caernarfon, Bangor, Llandudno, Conwy, Pwllheli, Porthmadog)
Carmarthenshire (Carmarthen, Llanelli, Ammanford, Llandovery, Kidwelly, St. Clears)
Cardiganshire (Cardigan, Aberystwyth, Lampeter, New Quay, Tregaron)
Denbighshire (Denbigh, Wrexham, Ruthin, Abergele, Llangollen)
Flintshire (Mold, Flint, Rhyl, Prestatyn, Connah's Quay, Holywell, Buckley, St. Asaph)
Glamorgan (Cardiff, Swansea, Merthyr Tydfil, Barry, Caerphilly, Bridgend, Neath, Pontypridd)
Merioneth (Dolgellau, Bala, Tywyn, Blaenau Ffestiniog, Barmouth, Harlech)
Monmouthshire (Monmouth, Newport, Blackwood, Cwmbran, Abergavenny, Chepstow, Tredegar)
Montgomeryshire (Montgomery, Newtown, Welshpool, Machynlleth, Llanidloes)
Pembrokeshire (Pembroke, Milford Haven, Haverfordwest, Fishguard, Tenby, St. David's)
Radnorshire (Presteigne, Llandrindod Wells, Knighton, Rhayader, New Radnor)