Our Services

Retrofit & Refurbishment Projects

Upgrading existing buildings for improved energy efficiency, comfort and performance.

We upgrade existing buildings to make them more comfortable, more energy efficient and better suited to the way you live and work today.

Retrofit & Refurbishment Projects by Marwells Construction

Many properties can perform far better with the right improvements. Our retrofit and refurbishment work combines building upgrades with electrical and mechanical expertise, so insulation, heating, ventilation and power are planned together rather than as separate jobs.

Our founder is progressing towards qualification as a Retrofit Coordinator, reflecting our commitment to energy-efficient building improvements and sustainable construction practices. Whether you are refreshing a single room or refurbishing a whole property, we focus on practical, cost-effective solutions that last.

What We Offer

  • Energy efficiency upgrades
  • Insulation improvements
  • Heating and ventilation upgrades
  • Electrical rewiring and lighting
  • Full and partial refurbishments
  • Structural repairs as part of renovation

Supported by Our In-House Engineers

Every retrofit & refurbishment projects project benefits from our integrated engineering team, improving coordination, efficiency and quality control.

Structural Engineering

Electrical Engineering

Mechanical Engineering

How We Work

From Concept To Completion

Every project is unique, so we take the time to understand your goals and keep communication transparent at every stage.

See our full process
  1. 1

    Consultation & Site Visit

    We listen to your goals, visit the property where required and give you honest, practical advice before any commitment.

  2. 2

    Design & Engineering

    Our Structural, Electrical and Mechanical Engineers develop a coordinated plan, including calculations and supporting documents.

  3. 3

    Quotation & Agreement

    You receive a clear, free quotation and a written agreement setting out the scope of works, costs and expectations.

  4. 4

    Construction

    Our team delivers the work to a high standard, with transparent communication at every stage of the build.

  5. 5

    Completion & Handover

    We complete the project, check every detail with you and hand over a space that is functional, durable and built to last.

Marwells Construction

Frequently Asked Questions

Find answers to common questions about our construction services, project process and engineering expertise. If you need further information, our team is here to discuss your project and provide professional guidance.

Planning a house extension, loft conversion, refurbishment or new build?

Get in touch with Marwells Construction to discuss your project and receive a free, no-obligation quotation.

Call Us Get a Free Quote
Get a Free Quote