Dead Space Below.
Living Space Above.

Professional basement conversion services across the UK. Tanking, underpinning, waterproofing, and full fit-out — our vetted specialists unlock the space beneath your feet. CHAS Premium Plus accredited with £10M insurance.

📞 Call 0333 6000 990 View Services
CHAS Premium Plus £10M Insured ISO 9001 Constructionline
Services

What We Cover

Professional basement conversion services across the UK. Every project fully insured, every specialist vetted.

🏗️
Full Basement Conversions
Complete cellar-to-living-space conversions. Underpinning, tanking, and full fit-out.
💧
Basement Waterproofing
Cavity drain membranes, tanking slurry, and sump pump systems. BS 8102 compliant.
🧱
Underpinning
Lowering basement floors to create full-height rooms. Structural engineering included.
🔌
Services & Fit-Out
Electrical, plumbing, heating, and ventilation for habitable basement rooms.
🪟
Light Wells & Access
External light wells, window installations, and separate access where possible.
📋
Structural Surveys
Full structural assessment before work begins. Engineer reports, planning guidance, building regs.
Why Us

Why Call UK Basement Response

Genuine 24/7 Phone Line
A real person picks up the phone. Day or night, weekday or Christmas Day. No recorded messages.
Three-Hour Response
Emergency contractors dispatched within hours. Your basement transformed from dead space to living space.
CHAS Premium Plus
The highest tier of health and safety accreditation. Not basic CHAS — Premium Plus.
£10M Insured
Full public liability and employers' liability on every job. No gaps, no exclusions.
Vetted Basement Specialists Only
Every basement specialist in our network is qualified, insured, and references checked. No chancers.
One Phone Call
From structural survey to finished room. One number, one point of contact, one invoice.
How It Works

Four Steps. That's It.

1
Call 0333 6000 990
Answered around the clock. Tell us what's happened and where you are.
2
Specialist Dispatched
We match the right basement specialist to your job and get them moving. You get a name and ETA.
3
Conversion Underway
Excavation and structural work progressing. Waterproofing systems installed, services routed.
4
Handover
Completed, dry, and ready to use. Building control signed off, waterproofing guaranteed.
CHAS Premium Plus SafeContractor Constructionline ISO 9001 £10M PL + EL Insurance
Coverage

2,500+ Locations Nationwide

We cover every major town and city in the UK. Find your local page below.

Northwest

Manchester, Liverpool, Bolton, Stockport, Warrington, Preston, Blackburn, Salford, Oldham, Wigan

Yorkshire

Leeds, Sheffield, Bradford, York, Huddersfield, Wakefield, Doncaster, Halifax, Rotherham, Barnsley

West Midlands

Birmingham, Coventry, Wolverhampton, Stoke-on-Trent, Derby, Walsall, Dudley, Solihull, Telford, Worcester

East Midlands

Nottingham, Leicester, Northampton, Lincoln, Mansfield, Kettering, Loughborough, Corby, Chesterfield, Boston

Southeast

London, Brighton, Reading, Southampton, Portsmouth, Oxford, Milton Keynes, Canterbury, Guildford, Maidstone

Southwest

Bristol, Plymouth, Exeter, Bath, Swindon, Gloucester, Cheltenham, Taunton, Torquay, Bournemouth

Northeast

Newcastle, Sunderland, Middlesbrough, Durham, Hartlepool, Darlington, Gateshead, South Shields, Stockton-on-Tees, Tynemouth

Wales

Cardiff, Swansea, Newport, Wrexham, Bangor, Aberystwyth, Carmarthen, Llanelli, Merthyr Tydfil, Bridgend

Scotland

Glasgow, Edinburgh, Aberdeen, Dundee, Inverness, Perth, Stirling, Paisley, Ayr, Falkirk

One Call. Unlock Your Basement.

0333 6000 990

Answered 24 hours a day, 365 days a year. No voicemail. No recorded message.