Retrofit Overview

Our development business stream is responsible for the regeneration of both public and private sector land into private and affordable solutions for our customers. Working with new and existing clients we build strong long term relationships and work collaboratively to deliver solutions in line with their requirements.

It’s through these genuine partnerships that we are able to challenge, create and construct positive developments using a model that adds social value and sets us apart from traditional contractors.

We are able to offer  a number of low carbon, retrofit solutions. that will reduce property EPC’s, working in complete partnership with customers to guide them through the retrofit journey, end-to-end, from planning to install, ensuring compliance at every stage.

  • Cavity wall insulation
  • Draught Proofing
  • Energy efficient glazing and doors, including replacement insulating
  • External wall insulation
  • Flat roof insulation
  • Hybrid wall insulation
  • Internal wall insulation
  • Pitched roof insulation
  • Loft insulation
  • Condensing boilers, natural gas-fired and liquified petroleum gas
  • Solar PV
  • Condensing boilers, oil fired
  • Heating system insulation
  • Hot water systems
  • Mechanical ventilation with heat recovery
  • Warm air heating
  • Water efficient taps and showers
  • Electric storage heaters including electric warm air heating units that incorporate heat storage
  • Light fittings, lighting systems and lighting system controls

All measures are installed in compliance with PAS2030 and PAS2035 standards, through working with our local retrofit co-ordinator partners.

We are passionate about the success and focus heavily on creating solutions that improve the local community and leave a legacy for our customers.


We deliver new build solutions for our partners through a collaborative approach


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    The partnership approach taken by Connolly Ltd sets a benchmark for best practice in the industry, I am in no doubt that they can rise to any opportunity presented to them and I have no hesitation in recommending Connolly Ltd as well as looking forward to continuing to use them on this and future projects.

    Chris Rawcliffe, Planned Surveyor Irwell Valley Homes

    Connolly’s are an exceptional contractor to work with and the customer satisfaction is consistently above 98%. They take a pride in the work they do and go the extra mile, when it comes to service delivery. 

    Victoria Marsh, Project Manager Wythenshawe Community Housing

    Connolly’s are currently our go to contractor for all our FRA work, planned investment and cyclical works.  They have proven to be an absolute asset to us by keeping our properties safe and in excellent condition.  The team at Connolly’s are professionals in every sense with a can do attitude.  It’s a real pleasure to work with Connolly’s and hopefully for a long time to come.

    Dennis Gilbert – Arcon Major Works

    We have developed an excellent relationship with the team at Connolly over several years. Their retrofit team have performed consistently and our residents are delighted with the solar panel work that has been delivered.

    Flintshire Council, Sean O’Donnell

    The Connolly team were excellent throughout the project and our tenants are delighted with the changes that have been made to their properties to increase energy efficiency. We were always kept informed of progress & we are delighted with the results.

    Team Leader, Asset Manager Wigan Council

    The team’s proactive approach, expertise, focus on delivering exceptional services to our customers & commitment to making a positive difference in our communities stands out in all their work and we are pleased to partner with a contractor that shares our values.

    First Choice Homes

    When Connolly’s won the Tender to Fit Out my Design for Warrington Housing Association’s Head Office, I had not previously worked with them. They quickly proved that they were an asset to the Project and an ally to me, working with me to make sure my Design was realised. Their professionalism and experience were much valued, and the end result is of the highest quality.

    Ingo Interiors Ltd

    Marks out of a 100, I would have to give 110 for the set-ups Alex Carter (Site Manager) has pulled together. The standard of Welfare, Compliance documentation, First Aid, etc is first class. I cannot find any faults! The attention to detail is quite impressive.


    Keelagher Okey Klein – John Davies, Project Manager

    Their commitment to customer service is a major factor in their re-appointment to the next 5-year Framework for Onward Homes. Their overall performance is testament to the hard work and effort of the onsite teams.

    Onward Homes

    I was nervous on my first day in the business, but the team were so welcoming and made me feel at ease, nothing is too much trouble. I love my role with Connolly Ltd, It’s a brilliant place to work, a true family.

    Customer Manager Connolly Ltd – Andrea Ratcliffe

    The people within Connolly Ltd are always very friendly, approachable and willing to help. The culture within the business is really unique and compliments their approach to working in partnership with their clients.

    Redsky Training

    Connolly Ltd have worked in partnership with Wigan Council for over 30 years. They are committed to the development of communities within the Wigan Borough and are actively involved in key social value initiatives within Wigan.

    Wigan Council

    Their approach to Health & Safety is really refreshing. Always willing to go the extra mile whilst ensuring they maintain the high standards from inception through to completion of any project.

    Stephen Walker – Walker Design

    Connolly Ltd were amazing from start to finish when installing my new kitchen and bathroom. I was kept update on a daily basis and the site team were always on hand to explain what would happen next. It looks fantastic

    Resident at Great Places Housing

    It has been a pleasure to work with Connolly Ltd on our head office fit out / refurbishment. They fully understood our brief and worked with our teams to ensure delivery on time and within budget, whilst overachieving on our aspirations for quality. They provided a great service for us.

    Warrington Housing Association

    A very professional service with people who are committed to achieving success through the delivery of a great customer experience.

    National Care Group

    Connolly Ltd have performed consistently on the delivery of wholehouse refurbishments for Flintshire CC for over 5 years. During this time we have developed a strong partnership and fostered great relationships with the Connolly Ltd teams.

    Flintshire CC

    Connolly Ltd is a really good place to work. It’s a place where they want people to thrive and grow, to become part of something special and show their true potential.

    Contracts Manager Connolly Ltd – Neil Gibson