House Deep Retrofit

Velux Re-Glazing

Deep Retrofit Renovation in Dublin

House Deep Retrofit is a process that is used to make a house more energy efficient. It can be applied to both new and existing dwellings. It is the process of adding insulation, air sealing, and upgrading heating and cooling systems in a building. The goal is to make the building more energy efficient and provide better comfort for people inside

House Deep Retrofits are not only good for energy efficiency but also health and safety reasons. Insulating the exterior walls will reduce moisture on inside surfaces, leading to mould growth or structural damage due to water seepage.

The process of House Deep Retrofit involves the following:

  • Insulation (both external insulation & internal insulation)
  • Air Tightness homes
  • Other measures that reduce heat loss or gains, such as installing air-to-water heat pumps, complete rewiring and more

CKF Builders, Dublin's longest-established House Deep Retrofit Company

Trusted by Dublin homeowners for over four decades, CKF Builders specialises in House Deep Retrofit and is the only SEAI-registered company in the country. CKF Builders is the leading House deep retrofit specialist in Dublin.


Design and build an energy-efficient home

We offer a wide range of services for your house’s deep retrofit requirements — from designing to building. Our team of architects, engineers, and builders will work with you to design and build an energy-efficient home that meets your needs.

Modern Roofing System

House-wide renovations

Whether you are looking for new windows, new doors, new insulation, or any number of other house-wide renovations, we have you covered. With our vast range of services, we can make all your dreams come true.

Customer satisfaction is our top priority.

At CKF Builders, we have a dedicated customer support helpline that our clients can connect with at their convenience. No matter your query, you are assured of satisfactory results with us.

From Plumbing to Attic Insulation, CKF Builders handle everything for you. So, do not think for a second more and reach out to one of the leading deep retrofit contractors in Dublin today!

VELUX installation
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  • 100% Satisfaction