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Common Questions


What areas do you cover?

At Ensurge, our qualified engineers cover the London area inside the M25.

You can book a time with us by emailing [email protected] or through Contact Page.

What are your working hours?

Our regular operating hours are from 9 am to 5 pm, Monday to Friday. Nevertheless, our emergency services remain available 24 hours a day, 7 days a week.

Is your work guaranteed?

At Ensurge, we prioritise the well-being and safety of our clients. Hence, we are insured for all our work, providing coverage up to 2 million pounds.

What qualifications do you have?

At Ensurge, every member of our gas engineering team is registered with Gas Safe, and our electricians hold qualifications from NICEIC.

Common Questions

Electrical Services

Why should I use an NICEIC contractor?

Opting for an NICEIC (National Inspection Council for Electrical Installation Contracting) contractor comes with several advantages:

  1. Expertise and Competence: NICEIC contractors are required to undergo rigorous assessments to ensure their technical competence and compliance with industry standards. Choosing an NICEIC contractor means selecting a professional with proven expertise.

  2. Regulatory Compliance: NICEIC contractors stay updated with the latest regulations and guidelines in the electrical industry. By hiring them, you can have confidence that your electrical work will meet the necessary legal and safety requirements.

  3. Quality Assurance: The NICEIC certification is a mark of quality. Contractors must adhere to strict standards, and their work is regularly assessed to ensure consistent quality. This certification gives you peace of mind that the work will be carried out to a high standard.

  4. Safety First: Electrical work poses inherent risks. NICEIC contractors prioritize safety and follow best practices to minimize the likelihood of accidents or hazards. This commitment to safety is crucial for protecting your property and its occupants.

  5. Access to Guarantee of Standards Scheme (GSS): NICEIC contractors are part of the Guarantee of Standards Scheme, which provides additional protection for consumers. If there are issues with the work carried out by a contractor, the GSS provides a mechanism for resolution.

  6. Professionalism and Integrity: NICEIC contractors are expected to adhere to a code of conduct that emphasizes professionalism and integrity. This includes providing accurate and transparent quotes, delivering work to the agreed-upon standards, and maintaining open communication with clients.

  7. Building Regulations Compliance: Electrical work often falls under building regulations. NICEIC contractors are well-versed in these regulations, ensuring that any work carried out complies with the necessary building codes and standards.

  8. Peace of Mind: Choosing an NICEIC contractor gives you peace of mind, knowing that your electrical work is in the hands of a qualified and certified professional. This can be particularly important for more complex or critical electrical installations.

In summary, selecting an NICEIC contractor ensures that you are engaging a competent, regulated professional who prioritizes safety, quality, and adherence to industry standards.

How can I tell if I need a rewire?

If your residence or structure is over 30 years old or hasn’t undergone rewiring in the past 25 years, it is crucial to enlist the services of a professional for an electrical system inspection. Faulty wiring presents a significant hazard, potentially resulting in fires or electrocution. Thus, it is imperative to ensure that all electrical components, including wiring and appliances, comply with current regulations to safeguard your well-being.

While rewiring a building can be a messy undertaking, it is essential to engage an electrician for a comprehensive rewiring process before commencing any decorative work. Explore further details about our electrical rewiring service to prioritize safety and compliance.

What is an EICR?

EICR, which stands for Electrical Inspection Condition Report, is a requisite document for landlords who lease their properties. This report must be conducted every five years or following a change in occupancy to verify conformity with the prevailing version of BS7671.

In instances where electrical installation problems arise, like frequent tripping, obtaining an EICR is advised. This report offers a comprehensive assessment of the cabling condition within your property.

Do i need an upgraded Consumer unit?

Determining whether you need an upgraded consumer unit (also known as a fuse box or distribution board) depends on various factors. Here are some common reasons why you might consider upgrading your consumer unit:

1. Safety Concerns:
If your existing consumer unit is outdated and doesn’t meet current safety standards, upgrading to a modern unit with advanced safety features is advisable. Newer units often come with features like RCDs (Residual Current Devices) and MCBs (Miniature Circuit Breakers) to enhance protection against electrical faults.

2. Home Renovations or Extensions:
If you’re planning renovations or adding extensions to your home, it may be necessary to upgrade your consumer unit to accommodate the increased electrical load. This ensures that the electrical system can handle the additional demands without overloading.

3. Compliance with Regulations:
Building regulations and electrical safety standards may evolve over time. If your current consumer unit doesn’t comply with the latest regulations, upgrading may be required to meet safety and legal requirements.

4. Frequent Electrical Issues:
If you’re experiencing frequent electrical problems, such as tripping circuits or unreliable performance, it could be a sign that your consumer unit is outdated or not functioning properly. Upgrading may resolve these issues and improve the overall reliability of your electrical system.

5. Older Fuse Box Types:
If your property still has an older-style fuse box with rewireable fuses, upgrading to a modern consumer unit with circuit breakers is recommended. This provides more effective protection and is easier to maintain.

6. Electrical Inspection Recommendations:
If an electrical inspection, such as an Electrical Installation Condition Report (EICR), recommends upgrading the consumer unit, it’s essential to follow these recommendations to ensure the safety and reliability of your electrical system.

Before making a decision, it’s advisable to consult with a qualified electrician. They can assess your current setup, discuss your specific needs, and provide guidance on whether an upgraded consumer unit is necessary for your property’s safety and functionality. Keep in mind that electrical work should be carried out by certified professionals to ensure compliance with regulations and standards.

Will I need to vacate my property during the rewiring process?

In the majority of situations, it is possible to stay in your residence throughout the rewiring project. Nevertheless, there could be specific scenarios, especially when extensive work is needed or if the safety of your property is at risk, where temporary relocation might be advisable. At THS Electrical, our electricians ensure that they provide guidance on the most suitable course of action for your specific circumstances.

What safety measures are taken during electrical rewiring?

During electrical rewiring, several safety measures are implemented to ensure the well-being of both the occupants and the property. Here are some common safety measures taken during electrical rewiring projects:

1. Isolation of Power:
Before commencing any rewiring work, the electrician isolates the power supply to the affected areas. This ensures that there is no live electricity running through the circuits being worked on.

2. Use of Personal Protective Equipment (PPE):
Electricians wear appropriate PPE, such as insulated gloves and safety glasses, to protect themselves from potential electrical hazards.

3. Lockout/Tagout Procedures:
Lockout/tagout procedures may be employed to physically lock or tag electrical panels or equipment to prevent them from being energised during the rewiring process.

4. Verification of De-energised Circuits:
Before starting any work, electricians use voltage detectors to confirm that circuits are de-energised. This is a crucial step to ensure their safety and the safety of others in the vicinity.

5. Proper Ventilation:
Adequate ventilation is maintained during the rewiring process to disperse any potential fumes or odors from the work, especially when dealing with older wiring systems.

6. Fire Safety Precautions:
Fire safety measures are implemented, including the use of fire-resistant materials, fire extinguishers, and fire safety protocols, to minimise the risk of electrical fires during and after the rewiring.

7. Adherence to Building Regulations:
Electricians ensure compliance with local building regulations and electrical codes to meet safety standards. This includes proper installation methods, spacing, and securing of wiring.

8. Ground Fault Circuit Interrupters (GFCIs):
GFCIs are installed in areas where water is present, such as kitchens and bathrooms, to provide an extra layer of protection against electric shock.

9. Regular Inspections:
Periodic inspections are conducted throughout the rewiring process to identify and address any potential safety issues promptly.

10. Communication and Safety Briefings:
Clear communication and safety briefings are provided to the occupants of the property to make them aware of potential hazards and safety protocols. This may include temporary power interruptions during specific phases of the rewiring.

It’s important to note that electrical rewiring is a complex task that should be undertaken by qualified and licensed electricians. Homeowners should also follow any safety guidelines provided by the electricians and exercise caution around areas undergoing rewiring.

Yes, in the United Kingdom, electrical rewiring must adhere to various government regulations and standards to ensure the safety of the installation. Here are some key regulations and guidelines related to electrical rewiring in the UK:

1. **BS 7671 (18th Edition Wiring Regulations):**
The British Standard BS 7671, also known as the 18th Edition Wiring Regulations, provides the requirements for electrical installations in the UK. It outlines the standards for electrical work, including rewiring, and is regularly updated to incorporate the latest safety measures and best practices.

2. **Part P of the Building Regulations:**
Part P of the Building Regulations in England and Wales focuses on electrical safety in dwellings. It requires that electrical installations, including rewiring, meet certain safety standards. In most cases, electrical work in homes must be notified to the local building control or carried out by a registered competent person (such as a registered electrician) who can self-certify the work.

3. **Scottish Building Standards:**
In Scotland, building standards are regulated by the Scottish Building Standards Agency. Similar to Part P in England and Wales, there are specific electrical safety requirements that must be met during rewiring projects in Scotland.

4. **Building Regulations in Northern Ireland:**
Northern Ireland has its own set of building regulations overseen by the Department of Finance. Electrical work, including rewiring, is subject to these regulations to ensure compliance with safety standards.

5. **Electrical Installation Condition Report (EICR):**
An Electrical Installation Condition Report (EICR) is often required during electrical rewiring projects. This report, conducted by a qualified electrician, assesses the safety and condition of the electrical installation and provides recommendations for any necessary improvements or repairs.

6. **NICEIC and Other Certification Bodies:**
Contractors and electricians often register with certification bodies such as NICEIC (National Inspection Council for Electrical Installation Contracting). These bodies ensure that the electricians meet certain competence and safety standards.

It’s important for property owners to hire qualified and registered electricians who adhere to these regulations. Failure to comply with electrical regulations may not only jeopardize the safety of the installation but can also result in legal consequences. Always consult with a professional electrician and notify the appropriate authorities when undertaking electrical rewiring work in the UK.

Common Questions

Gas Services

What do I do if I smell Gas?

If you smell gas then call free on

0800 111 999

  • Open doors and windows
  • Turn off gas at meter (unless the meter is in a cellar or basement)
  • Don’t use electric switches or naked flames

All calls to the National Gas Emergency Service and National Enquiry lines may be recorded and monitored.

Why should I use a gas safe registered engineer?

Using a Gas Safe registered engineer will ensure that all work completed will be done competently and safely.

Gas Safe Register is the official gas registration body for the United Kingdom, Isle of Man, Guernsey and Jersey. It replaced CORGI registration and by law all gas engineers must be on the Gas Safe Register. Our role is to act as a licensing body.


Getting your building rewired can be a messy job so it is crucial that you get an electrician in to do a complete rewiring prior to any decorative work. Learn more about our electrical rewiring service.

How long does it take to fit my new boiler?
Our team of trusted installers will usually fit your new boiler within one day.
What information do you need to know about my house to fit a new central heating system and boiler fitted?
To make sure we fit the right size boiler for your home we will need to know;
  • How many radiators do you have?
  • How many bathrooms do you have?
  • How many rooms are in the house?
  • Do you have double-glazing?
  • Are you planning to build an extension to your house
What Maintenance need to be carried out on my gas appliances?

A. It is strongly recommended that all gas appliances, flues and pipework are regularly maintained and serviced at least once every year.


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