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Professional PAT Testing in London
Certified Portable Appliance Safety & Compliance You Can Rely On
Electrical safety is not optional. If you run a business, manage rental property, or oversee a public building, you are responsible for making sure electrical equipment is safe to use.Our PAT Testing service in London helps you meet that duty by doing Portable Appliance Testing in a clear, documented, and professional way. We check, test, label and record your appliances according to UK safety standards. This gives you peace of mind that your equipment is safe and your compliance records are in order.
EICR Services
Residential EICR
Commercial EICR
Electrical Diagnostic
Fuse Box Installation
PAT Testing
Emergency Lighting Certificate
Landlords
Property Agents
Letting Agents
Property Owner
Protect Your Business, Tenants and Staff with Fully Compliant PAT Testing
Electrical problems are a common cause of fires and shocks. At first glance, you might not be able to see damaged cables, loose connections, or worn plugs. These small problems can turn into big problems over time.
If you are an employer, landlord, or duty holder, you are responsible for keeping electrical equipment in good working order. Proper testing reduces:
- Fire risk caused by faulty wiring
- Electric shock hazards
- Equipment failure and downtime
- Insurance disputes after an incident
Most importantly, it protects people. Clear records also show that you have taken reasonable steps to meet your legal duties.
Geographical Breakdown of London’s Districts
East London
South London
West London
North London
What Is PAT Testing and Why It Matters
PAT stands for Portable Appliance Testing. It is the process of checking electrical equipment that plugs into a socket to confirm it is safe to use.
What Counts as a Portable Electrical Appliance
A portable appliance is any item that connects to the mains supply through a plug and can be moved. This includes:
- Computers and monitors
- Kettles and microwaves
- Extension leads
- Power tools
- Heaters and portable lighting
If it plugs in, it may need testing.
Visual Inspection and Electrical Testing Explained
PAT testing includes two main stages:
- Visual inspection – We check plugs, cables, casings, and signs of overheating or damage.
- Electrical testing – We use calibrated equipment to measure insulation resistance, earth continuity (for Class I equipment), and other safety checks.
Many faults are found during the visual stage alone. The electrical tests then confirm internal safety.
Class I, Class II and Class III Equipment
Electrical appliances fall into different protection classes:
- Class I – Rely on earthing for safety (e.g. kettles, fridges).
- Class II – Double insulated, no earth connection required (e.g. many lamps, TVs).
- Class III – Low voltage equipment supplied through a transformer.
Testing methods vary depending on the class. A competent engineer understands these differences and applies the correct procedure.
Why Labelling and Records Matter
Each tested item receives a pass or fail label. We also provide a detailed appliance register listing every item, its condition, and its result.
This register is key evidence if you are audited or asked to demonstrate compliance.
Is PAT Testing a Legal Requirement in London?
There is no single law that states “PAT testing must be done every year.” However, UK law requires electrical equipment to be maintained in a safe condition.
Relevant regulations include:
- Electricity at Work Regulations 1989 – Equipment must be maintained to prevent danger.
- Health and Safety at Work Act 1974 – Employers must protect employees and visitors.
- PUWER 1998 – Work equipment must be suitable and properly maintained.
PAT testing is a recognised way to meet these duties. It provides structured inspection, testing, and documentation.
Insurance providers also expect evidence that electrical equipment is maintained. Without records, claims may be challenged.
Who Requires PAT Testing?
PAT testing applies to many property types and industries.
Landlords and Letting Agents
If you provide electrical appliances in a rental property, you must ensure they are safe. Testing before a new tenancy begins is good practice and reduces risk.
Offices and Corporate Workplaces
Offices contain computers, printers, kettles, and extension leads. Regular checks help prevent disruption and demonstrate compliance during audits.
Retail and Hospitality
Shops, restaurants, and hotels use a wide range of electrical equipment daily. High usage increases wear and risk.
Schools and Nurseries
In environments where children are present, safety standards must be especially high. Clear records support inspection requirements.
Construction and Industrial Sites
110V tools and heavy-duty equipment operate in harsher conditions. More frequent testing is often required due to higher risk.
If you manage equipment that plugs in, testing should form part of your safety plan.
Our Structured PAT Testing Process
We follow a clear and organised approach to minimise disruption.
Pre-visit planning – We confirm the number of items and access arrangements.
On-site testing – Each item is inspected, tested, and labelled.
Fail management – Unsafe items are clearly identified and removed from use.You receive your report and certificate
Documentation – You receive a digital report and appliance register.
Future planning – We advise on suitable re-test intervals based on risk.
What Our PAT Testing Service Includes
Our service is structured, clear, and thorough.
We provide:
- Detailed visual inspection of plugs, cables, and casings
- Earth continuity testing for Class I equipment
- Insulation resistance testing
- Functional checks where required
- Clear pass and fail labelling
- A digital PAT certificate
- A complete appliance register
If an item fails, we explain the reason clearly and advise on the next steps.
What Happens If an Appliance Fails?
A failed result does not mean your business must stop. It means the item needs attention.
When an item fails:
- It is clearly labelled as unsafe.
- We explain the defect in simple terms.
- We advise whether repair or replacement is appropriate.
- The failure is recorded in your report for compliance evidence.
After corrective action, we can re-test the item and update the record.
This process protects both safety and your legal position.
How Often Should PAT Testing Be Carried Out?
Testing frequency should be based on risk, not guesswork.
Factors include:
- Type of environment
- Frequency of use
- Likelihood of damage
- Type of equipment
Transparent Pricing for PAT Testing in London
We believe pricing should be clear and straightforward.
Costs typically depend on:
- Number of items
- Type of premises
- Access requirements
Multi-site complexity
Below is a general guide:
Environment | Risk Level | Typical Review Period |
Office (low risk) | Low | 12–24 months |
Retail & hospitality | Medium | 12 months |
Schools | Medium | 12 months |
Construction sites | High | 3–6 months |
Industrial settings | High | 6–12 months |
Rental properties | Varies | At change of tenancy |
Final intervals should align with your risk assessment.
Why Choose Us for PAT Testing in London?
Electrical safety requires competence and professionalism.
We provide:
- Qualified and experienced engineers
- Calibrated testing equipment
- Fully insured service
- DBS-checked personnel where required
- Flexible appointment times
- Clear digital reporting
Our approach is compliance-led. We focus on safety, documentation, and long-term reliability rather than unnecessary upselling.
Compliance Documentation and Audit-Ready Reporting
After testing, you receive:
- A digital PAT certificate
- A detailed appliance register
- Clear pass and fail records
- Unique identification for each item
These documents support:
- Insurance requirements
- Local authority inspections
- Internal audits
- Health and safety reviews
We can also advise on how long to retain records to maintain good compliance practice.
Book Professional PAT Testing in London Today
Taking care of electrical safety is part of being a responsible property and business owner. Clear inspections, accurate records, and professional testing help keep people safe and show that you are following the rules.
Frequently Asked Questions (FAQ)
Is PAT testing a legal requirement for landlords?
You are in charge of keeping appliances safe if you give them to your tenants. PAT testing is a well-known way to show that you are responsible and keep things in good shape.
How long does PAT testing take?
This depends on how many appliances there are and how easy it is to get to the site. Most jobs can be done quickly and with little trouble.
Do appliances fail often during testing?
It depends on how old, how much you use it, and how well it works. A lot of problems are caused by simple things like broken plugs or worn cables, which can usually be fixed quickly.
Does PAT testing replace an EICR?
No. PAT testing covers plug-in equipment. An EICR covers the fixed wiring of the building.
How long does PAT testing take?
This depends on the number of items and site layout. Small offices can often be completed in a few hours.
Can my staff carry out PAT testing?
In low-risk settings, competent persons may carry out testing. However, correct training and calibrated equipment are essential.
Accrediations
contact@liviosiv.co
34 Ennismore Avenue, Greenford, England, UB6 0JN
