Renovating a listed or period property?

Renovating a listed or period property?

Get an independent retrofit plan built for your building's age and materials, so your home is warm in winter, cool in summer and cheap to run.

Get an independent retrofit plan built for your building's age and materials, so your home is warm in winter, cool in summer and cheap to run.

Loved by 1000+ homeowners

Loved by 1000+ homeowners

You want a warmer, more comfortable home that costs less to run.

You want a warmer, more comfortable home that costs less to run.

That takes independent advice and a plan sequenced for your building.

That takes independent advice and a plan sequenced for your building.

Get the right materials & systems for a building like yours

We specify breathable insulation, lime-based systems and other heritage-appropriate materials, so solid walls perform properly without trapping moisture, causing damp, or long-term structural damage. As well as heat pumps, solar, ventilation, windows, doors and much more.

A plan that's ready for conservation and heritage sign-off

Solar, windows and other external changes face extra scrutiny on listed and conservation-area properties. Your plan accounts for that from the start, with the technical detail conservation officers ask for, so upgrades don't stall at planning.

Independent advice, not a sales pitch

We do not install anything, so every recommendation, and every contractor we work with, is chosen for heritage experience, not because we have something to sell

Get the right materials & systems for a building like yours

We specify breathable insulation, lime-based systems and other heritage-appropriate materials, so solid walls perform properly without trapping moisture, causing damp, or long-term structural damage. As well as heat pumps, solar, ventilation, windows, doors and much more.

A plan that's ready for conservation and heritage sign-off

Solar, windows and other external changes face extra scrutiny on listed and conservation-area properties. Your plan accounts for that from the start, with the technical detail conservation officers ask for, so upgrades don't stall at planning.

Independent advice, not a sales pitch

We do not install anything, so every recommendation, and every contractor we work with, is chosen for heritage experience, not because we have something to sell

Get the right materials & systems for a building like yours

Understanding your goals, budget and wider plans for your home comes first. Then we'll send a pro to do a full on-site assessment.

Once we've finished our analysis we'll take you step by step through our findings. Including pros/cons of any options as well as costs and payback.

A plan that's ready for conservation and heritage sign-off

Solar, windows and other external changes face extra scrutiny on listed and conservation-area properties. Your plan accounts for that from the start, with the technical detail conservation officers ask for, so upgrades don't stall at planning.

Independent advice, not a sales pitch

We do not install anything, so every recommendation, and every contractor we work with, is chosen for heritage experience, not because we have something to sell

Find out how we can help

Find out how we can help

How it works

How it works

Discovery

We send a qualified retrofit assessor to survey your entire home for roughly two hours. They'll look at everything - walls, roof, floors, windows, heating system, and ventilation - including anything relevant to its listed or conservation status - collecting data to inform our recommendations and plan.

Discovery

We send a qualified retrofit assessor to survey your entire home for roughly two hours. They'll look at everything - walls, roof, floors, windows, heating system, and ventilation - including anything relevant to its listed or conservation status - collecting data to inform our recommendations and plan.

Review your options

Review your options

An expert coordinator will walk you through our survey findings and which upgrades we recommend, with estimated costs and savings. You decide which ones you’d like us to include in our design.

Review your options

Review your options

An expert coordinator will walk you through our survey findings and which upgrades we recommend, with estimated costs and savings. You decide which ones you’d like us to include in our design.

Get your BuildPack

We deliver a full plan and design for your chosen upgrades, including the technical paperwork your conservation officer will need to sign it off. The plan is split into phases, with detailed instructions on what exactly should be installed, how, where and when.

Get your BuildPack

We deliver a full plan and design for your chosen upgrades, including the technical paperwork your conservation officer will need to sign it off. The plan is split into phases, with detailed instructions on what exactly should be installed, how, where and when.

Take it to installers

We can give you quotes from recommended, vetted contractors in our supply chain. Or you can take the pack to your own builders, architects or installers.

Take it to installers

We can give you quotes from recommended, vetted contractors in our supply chain. Or you can take the pack to your own builders, architects or installers.

Hear about Cai and Eleanor's home renovation with Furbnow

See how we helped them get a warm, gas-free family home that saves them over £2,400 a year on energy bills.

Begin your journey to a warmer, more efficient home that still respects its history

Begin your journey to a warmer, more efficient home today

Begin your journey to a warmer, more efficient home today

Frequently asked questions

Do you work with listed buildings?

Can a listed building actually be made energy efficient?

We're mid-renovation - is it too late?

Is energy efficiency just about insulation?

How are you different from a builder, architect, or installer?

Can you help me find installers?

We've already got good ideas for energy upgrades - do we still need Furbnow?

Which areas do you cover?

Do you work with all types of homes?