Retrofit

Architect-led retrofit solutions for your home.

Reduce energy, increase comfort and save money.

Sustainable Architects Bath Sustainable Architect Bath Domestic Architect Bath Residential Architect Bath Sustainable Design Approach Client Focused Design Solutions Expertise Experience Award Winning Energy Efficient Green Building Energy Use Building Energy Energy Bills Building Performance Building Design Walls Roofs Floors Windows Doors Energy consumption Occupant Envelope Fabric First Renewable energy Photovoltaics Heat Pump Net Zero Sustainable Building Low Carbon Indoor Air Quality Daylight Home energy Insulation Passive House Passivhaus EnerPHit Retrofit Renovation Refurbishment Building Envelope Shading Overheating Green Home Airtightness Air leakage Ventilation Zero-Energy Heating Cooling Building Science Building Physics Residential Building Domestic Commercial Building Low Energy Low Bills Warmer Home Glazing Insulated G-Value U-Value Psi-Value Environmental-Design Environment Climate Crisis Greenhouse Gas Carbon Reduction Heat Recovery MVHR Heating and Cooling Photovoltaic Inverter Energy Cost Energy Costs Zero Energy Home Thermal Mass Sealing Air Barrier Homeowner Occupier Thermal Bridge Thermal Bridging Cold Bridge Gaps Retrofitting Blower Door Test Air Test Pulse Test HVAC Solar Thermal Water Heater Heating Controls TRVS Radiators Infrared Heating Underfloor Heating Triple Glazing Aerogel PIR Woodfibre XPS DPC Moisture Management Moisture Balance Green Construction Green Technology

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Sustainable Architects Bath Sustainable Architect Bath Domestic Architect Bath Residential Architect Bath Sustainable Design Approach Client Focused Design Solutions Expertise Experience Award Winning Energy Efficient Green Building Energy Use Building Energy Energy Bills Building Performance Building Design Walls Roofs Floors Windows Doors Energy consumption Occupant Envelope Fabric First Renewable energy Photovoltaics Heat Pump Net Zero Sustainable Building Low Carbon Indoor Air Quality Daylight Home energy Insulation Passive House Passivhaus EnerPHit Retrofit Renovation Refurbishment Building Envelope Shading Overheating Green Home Airtightness Air leakage Ventilation Zero-Energy Heating Cooling Building Science Building Physics Residential Building Domestic Commercial Building Low Energy Low Bills Warmer Home Glazing Insulated G-Value U-Value Psi-Value Environmental-Design Environment Climate Crisis Greenhouse Gas Carbon Reduction Heat Recovery MVHR Heating and Cooling Photovoltaic Inverter Energy Cost Energy Costs Zero Energy Home Thermal Mass Sealing Air Barrier Homeowner Occupier Thermal Bridge Thermal Bridging Cold Bridge Gaps Retrofitting Blower Door Test Air Test Pulse Test HVAC Solar Thermal Water Heater Heating Controls TRVS Radiators Infrared Heating Underfloor Heating Triple Glazing Aerogel PIR Woodfibre XPS DPC Moisture Management Moisture Balance Green Construction Green Technology 〰️

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  • Thermal Imaging Report

    A thermal imaging survey of your home by a Chartered Architect. We can identify weaknesses in the building fabric and air leakage paths, suggesting remedies using best practice retrofit measures. Report from £200+VAT for Bath

  • Retrofit Opportunities Plan

    Start your Retrofit journey with a home visit, thermographic imaging survey and report to identify easy wins and deeper retrofit opportunities to increase comfort and reduce your bills. Report from £400+VAT

  • Improvement Option Evaluation

    Follows the PAS 2035 principles, starting with understanding your home’s existing performance. We then quantify the impact of new appropriate energy efficiency measures alongside budget costs & energy savings. From £800+VAT

  • EnerPHit

    EnerPHit is the Retrofit certification scheme from the Passivhaus Institute. It is very prescriptive about energy use and airtightness, but consistently delivers the highest performance and lowest running costs. EnerPHit is independently certified.

I would definitely recommend engaging Alex in a project as early as you can so you can include energy saving principles in your project from the outset. He obviously really cares about what he’s doing and goes the extra mile to help.
— Mrs B, Widcombe, Bath

Feedback from recent Retrofit customers:

Just gone over the report tonight with my highlighter pen, great stuff and really helpful in pointing out what are actually realistic options
— Mr & Mrs T, Winterbourne
An extremely worthwhile exercise and a real eye-opener for assessing current performance and future improvements for our house
— Mr P, Bristol
The report will help us to save money in future by directing us to the most cost-effective improvements and also by guiding us in terms of dependencies between jobs. It has also drawn our attention to things that we hadn’t really considered before
— Mr & Mrs M, Bath

Introducing the Homeowner Assessment Accelerator, a fantastic opportunity to boost your home's energy efficiency and save up to £250 immediately.

Funded and managed by the West of England Combined Authority and delivered by Retrofit West CIC, the Homeowner Assessment Accelerator provides a chance to transform your home into an energy-efficient haven. Chapter 2 Architects are one of the launch providers for this service, and the voucher can be used to get money off the range of retrofit services we provide. We understand that taking the first step can be overwhelming, so this helps to make it super simple.

Here's the deal: Enjoy a £250 discount to kickstart your journey towards a more efficient and eco-friendly home. Applying for a voucher from Retrofit West is easy – just fill out their quick, two-minute form. Once you have your voucher, choose an assessment that suits your needs – from draft-sealing tests, thermal camera evaluations or retrofit opportunities report. Your chosen service provider will then give you the expert advice to enhance your home's efficiency. The best part? You'll receive a generous £250 discount off the assessment cost (or two-thirds off if it's under £250).

Ready to make your home comfier and more sustainable? Claim your discount now by clicking on the button.

What is Retrofit?

Retrofit is the process of making improvements to a building that increases the comfort of occupants, cuts the energy demands (& bills) and reduces carbon emissions. For the UK climate, heating our buildings uses the most energy, whether it be supplied by gas, oil or electricity. Retrofitting focuses on reducing the space heating demand by increasing the insulation value of the building fabric (walls, floors, roof and windows). Therefore you need less energy to heat your property, and the money you do spend on energy doesn’t leak away so easily. Internal temperatures are more stable and comfortable. When combined with a suitable ventilation strategy, you’ll create a healthy internal environment and avoid condensation on internal surfaces.

Once you’ve taken this ‘fabric first’ approach, renewable energy sources can be considered like roof mounted PVs and heat pumps to make your home free of fossil fuels. If you are considering renovating or extending, installing Retrofit measures at the same time delivers a more efficient package and avoids future disruption.

At Chapter 2 Architects we aim to get as many people started on their Retrofit journey as possible, demystifying the terminology and making the solutions more relatable. A full Retrofit may take 10-20 years in multiple carefully planned phases. Start learning about Retrofit now and take your first steps to improve your home, reaping the joint benefits of greater comfort and lower bills.

    • Finding opportunities to increase the insulation of elements forming the building fabric

    • Improving the air tightness (= less heat loss) alongside an appropriate ventilation strategy

    • Reducing the space heating demand (typically from mains gas)

    • Upgrading old building plant (e.g. boilers, cylinders and controls)

    • Moving away from fossil fuels for heating and hot water demands

    • Lowering fuel bills, reducing fuel poverty

    • Improving indoor air quality (temperature, humidity, CO2 etc.)

    • Introducing renewable energy sources to respond to the new, lower energy demands of the building

  • A ‘shallow’ Retrofit seeks to reduce energy use by up to 30% by tackling the easy wins and less disruptive works. A ‘deep’ Retrofit targets 60% reduction in energy use, which involves greater cost and complexity. Renewable energy should be considered after the fabric, so the PV or Heat Pump is optimised to meet the lower energy demand. Retrofit works can be phases to suit your circumstances.

    PAS 2035 is a government standard for Retrofit Coordination and Risk Management, designed to protect the homeowner and deliver the improvements promised by the design. Changing the way your home deals with moisture and heat loss could create condensation problems if the elements do not properly interact. Therefore it is important to avoid unintended consequences. The PAS 2035 process is compatible with a number of certification schemes like the Passivhaus Institute’s EnerPHit standard or AECB’s CarbonLite.

    Employing a professional Retrofit Coordinator will ensure that early phases do not limit the options in the future. If you want to start planning your retrofit journey, please get in contact.

  • We can help establish budget costs for each energy saving measure, or package of measures installed together. Most measures will have a payback period. Any upfront costs must be considered against the long-term savings and carbon reduction.