PAT Testing in London.
Professional PAT testing, emergency light testing and commercial lighting maintenance for businesses, schools, nurseries, landlords and organisations across Harrow, London, Middlesex, Hillingdon, Hertfordshire.
Over 25+ years’ electrical safety experience • DBS checked • Flexible appointments • Full digital reports and certification
Professional Electrical Safety Services
Professional PAT testing, emergency lighting testing and commercial lighting maintenance for businesses, schools, landlords and organisations.
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PAT Testing
Keep your business compliant, reduce risk and meet your legal responsibilities with professional PAT Testing carried out around your working hours. We provide thorough appliance testing, digital reports and certification with minimal disruption to your business.
✔ Visual inspection & electrical testing
✔ Appliance identification labels
✔ Digital reports & certification
✔ Flexible appointment times
✔ Minimal disruption to your business
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Emergency Lighting Testing
Ensure your emergency lighting is working when it's needed most. We provide functional and full-duration testing, helping businesses identify faults and maintain reliable emergency lighting systems.
✔ Monthly functional testing
✔ Annual full-duration testing
✔ Fault identification
✔ Digital test reports
✔ Flexible appointments
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Lighting Maintenance
From faulty fittings to LED upgrades, we provide reliable commercial lighting maintenance to keep your workplace safe, efficient and well-lit with minimal disruption.
✔ Lamp & LED replacement
✔ Ballast & transformer replacement
✔ Fault finding
✔ Lighting repairs
✔ Planned maintenance visits
Need Help Choosing The Right Service?
Not sure which service you need? We're happy to help. Get in touch for friendly advice and a free, no-obligation quotation.
✓ Flexible appointments ✓ Evening & weekend availability ✓ Minimal disruption ✓ Fast response
Why Businesses Choose GT PAT Testing
Reliable electrical safety testing backed by experience, flexibility and trusted service.
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DBS Checked
Fully DBS checked for your peace of mind.
Trusted by
✓ Schools
✓ Nurseries
✓ Care Homes
✓ Commercial Businesses
✓ Enhanced DBS Checked
✓ Trusted Professional Service
✓ Safe For Vulnerable Environments
£
Competitive Pricing
Fair, transparent pricing with no hidden costs.
Professional certification and digital report provided.
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Free Reminder Service
We’ll remind you when your next inspection is due.
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25+ Years Experience
Over two decades of electrical industry experience
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Digital Reports
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Evening and weekend appointments available
Flexible Appointments
Need PAT Testing?
Get a free, no-obligation quotation today.
✔ Fast response ✔ Flexible appointments ✔ Minimal disruption
Quick responses / Friendly advise / No pressure
Need PAT Testing?
Professional testing carried out around your working hours to minimise disruption.
Areas We Cover
Based in Harrow, we provide PAT Testing, Emergency Lighting Testing and Commercial Lighting Maintenance within approximately a 40-mile radius of Harrow, covering much of Greater London and the surrounding Home Counties.
📍 Greater London
Harrow • Hillingdon • Ealing • Brent • Barnet • Hounslow • Westminster • Camden
📍 Hertfordshire
Watford • St Albans • Hemel Hempstead • Borehamwood • Hatfield • Welwyn Garden City
📍 Buckinghamshire
High Wycombe • Beaconsfield • Amersham • Marlow • Gerrards Cross • Aylesbury
📍 Berkshire
Slough • Windsor • Maidenhead • Reading • Bracknell
📍 Bedfordshire
Luton • Dunstable • Bedford • Leighton Buzzard
📍 Surrey
Staines-upon-Thames • Egham • Woking • Guildford
PAT Testing Harrow
PAT Testing Hillingdon
PAT Testing Ealing
PAT Testing Brent
PAT Testing Barnet
PAT Testing Watford
PAT Testing St Albans
PAT Testing Luton
PAT Testing Slough
PAT Testing High Wycombe
Service Area
Our map highlights the areas we regularly serve. If your location isn't shown, please get in touch—we may still be able to provide our services depending on your requirements.
Ready to Make
Electrical Compliance Easy?
Whether you need PAT Testing, Emergency Lighting Testing or Commercial Lighting Maintenance, we're here to help keep your business safe, compliant and running with minimal disruption, we’re here to help.
🛡 Fully Insured
Complete peace of mind for every customer.
£ Competitive Pricing
Fair, transparent pricing with no hidden costs.
⏱ Fast Response
Quick replies and prompt quotations.
📅 Flexible Appointments
Evening and weekend appointments available.
Friendly advice • Fast response • No pressure • Free quotations
🏅25+ Years Experience
Trusted electrical safety specialists.
📋 Digital Certification
Professional reports delivered quickly.
🛡 Minimal Disruption
Testing carried out around your working hours.
✔ DBS Checked
Trusted by schools, nurseries and businesses.