Safe, compliant electrics for extensions, renovations & loft conversions

House Extensions & Renovations

When you’re extending or renovating a property, the electrical installation is just as important as the building work itself. A safe, well-planned electrical system ensures your new space works exactly as it should. It needs to be reliable, efficient, and compliant with the latest standards.

At NPM Electrical, we specialise in providing high-quality electrical installations for extensions, loft conversions, and renovation projects. Our team works closely with builders, project managers, and architects to deliver safe, professional results with minimal disruption.

Electrical Contractors for House Extensions

Every extension needs careful electrical planning — from the first fix cabling through to the second fix finish. At NPM Electrical, we ensure all installations are carried out safely and efficiently, and in line with Part P of the Building Regulations and current wiring standards.

Our services include:

  • Electrical design
  • First fix wiring, containment, and circuit layouts
  • Second fix installation of sockets, switches, lighting and consumer units
  • Certification and testing to ensure full compliance

With years of experience in house extensions and loft conversions, we are trusted by builders and project managers for reliable, high-standard workmanship on every job.

Electrical contractors for house extensions & Renovations - The interior of a house under construction with plaster board walls and ceiling support beams, mid way through 1st fix electrics.
Interior of a room in a house under renovation with electrical wiring showing in ceiling and walls.

Electrical Installation for Renovations

Renovation projects often come with unique challenges, especially in older properties where outdated or unsafe wiring needs replacing. Our team has the expertise to carry out electrical upgrades sensitively, ensuring modern standards are met without compromising the character of the property.

Whether it’s rewiring a single room or upgrading the entire electrical system during a renovation, we provide practical, compliant solutions that keep projects moving on schedule.

Planning and Electrical Design

Good planning is essential for a smooth installation. We take time to evaluate the requirements of each extension or renovation, ensuring the electrical design matches both the building plans and the needs of the end user.

We provide detailed layouts covering socket positioning, lighting circuits, and specialist requirements such as EV chargers, outdoor lighting, or smart home wiring. This ensures a system that’s both compliant and future ready.

An electrician discussing electrical design with an architect whilst looking at plans on a table.
House development concept with a hand drawing custom architecture and lighting for a modern kitchen.

Lighting Design

Lighting has a huge impact on how a new space feels and functions. That’s why it’s so important to get it right at the planning stage.

We work with architects, interior designers, and homeowners to create lighting schemes that are both practical and stylish. From functional task lighting in kitchens to feature lighting in open-plan living areas, we can advise on placement, fittings, and energy-efficient options.

Smart Home Wiring

More and more homeowners are choosing to integrate smart technology into their extensions and renovations. Intelligent lighting, heating controls, and integrated data systems can all be wired during the build phase to future-proof the property.

Our team has extensive experience installing smart home systems, from simple app-controlled lighting to complete home automation setups. We’ll make sure your project is ready for the latest in connected living.

A smart device on a wall to control appliances in a property.
Hand testing electrical circuit with multimeter

Electrical Safety

Safety underpins everything we do. All installations are carried out in strict compliance with current regulations, giving builders and homeowners complete peace of mind.

We carry out full testing on completion, issue all required certification, and ensure Building Control requirements are met. With NPM Electrical, you can be confident that your extension or renovation meets the highest standards of safety and quality.

NICEIC Guarantee

As an NICEIC Approved Contractor, our work is independently assessed and backed by the NICEIC Platinum Promise. This guarantees that every installation is safe, compliant, and completed to industry best practice.

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Electrical Contractors in East Grinstead

Based in East Grinstead, NPM Electrical provides electrical installations for extensions & renovations across West Sussex, East Sussex, Surrey, and Kent.

We regularly carry out electrical installations on house extensions and renovation projects in Horsham, Crawley, Brighton, Tunbridge Wells, and Haywards Heath. We support, architects, builders, project managers, and homeowners from the planning stage through to completion.

Share your plans with us and we’ll provide a clear, detailed quotation for the electrical installation. Call us on 07731 941794 or send us a message today. NPM Electrical is your trusted partner for safe, compliant and high-quality electrics.