HOMEOWNERS GUIDE TO THE GREEN HOMES GRANT
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HOMEOWNERS GUIDE TO THE GREEN HOMES GRANT
WHAT IS THE GREEN
HOMES
GRANT?
Home improvements don’t come cheap but thanks to the
Government’s new Green Homes Grant scheme homeowners in
England can apply for vouchers worth up to £10,000 to make
their homes more energy efficient and reduce their bills.
In most cases it will pay two-thirds of the cost of the energy
efficient improvements, up to a maximum of £5,000 a
household – but if you’re on a low income and on certain
benefits you can claim the entire cost up to £10,000.
Claim up to
£5,000
per household or
£10,000
if on a low income.
The grants could help to
support more than
100,000
jobs.
More than
600,000
new homes are set to
become more energy
efficient.
2 / GREEN HOMES GRANT HOMEOWNER GUIDE
WHAT’S AVAILABLE?
The grants will cover green home improvements including insulation of walls, floors and roofs,
the installation of double or triple glazing when replacing single glazing, and low-carbon
heating.
PRIMARY MEASURES SECONDARY MEASURES
To obtain the grant you have to commit to Once this work is complete you can also apply
installing what the scheme calls a “primary” for vouchers for “secondary” measures which
measure which include: include:
INSULATION: WINDOWS AND DOORS:
• Solid wall • Double or triple glazing, or secondary
• Cavity wall glazing, when replacing single glazing
• Under-floor insulation (solid floor; • Draught-proofing
suspended floor) • Replacing and upgrading energy efficient
• Loft doors
• Flat roof
• Room in roof HEATING CONTROLS AND INSULATION:
• Park home insulation • Hot water tank thermostats
• Hot water tank insulation
LOW CARBON HEAT (where the home is • Heating Controls (Smart heating controls,
suitably insulated): zone controls, intelligent delayed start
• Air source heat pump thermostat and thermostatic radiator
• Ground source heat pump valves)
• Solar thermal
• Biomass pellet boilers
You must apply for at least one EXAMPLE:
primary measure as part of the Green A homeowner wants to install loft
Homes Grant to be eligible for funding insulation and receives a voucher worth
for the secondary measures. If you £400 towards the work. They can receive
already have primary measures in a maximum of £400 more for secondary
place, you can apply for the grant to measures, such as replacing single glazed
help improve them. windows with double glazed windows.
3 / GREEN HOMES GRANT HOMEOWNER GUIDE
MAKING YOUR HOME MORE
SUSTAINABLE
Not only can the Green Homes Grant help homeowners to reduce the running costs of their
home, our guide below shows how you can also create a more comfortable home that is
energy-efficient and better for the planet through the Green Homes Grant’s primary and
secondary measures.
Glass
Can reduce heat loss – fewer draughts Roof/Loft insulation*
and cold spots Prevents heat loss and
Improves thermal comfort and can Draught proofing
improves thermal Seal up gaps around
reduce noise comfort
Potential cost saving per year: £85 your windows, doors and
Potential cost saving chimneys to prevent heat
(double glazing)[1] per year: £150[1] loss
Potential cost saving per
year: £20-£75[1]
External wall insulation*
Minimises heat loss and therefore
energy consumption. Reduction
in sound transmission and
increase in thermal efficiency
Potential cost saving per year:
£105-£375[2]
Internal wall linings*
Helps to reduce heat loss
through walls, reduces CO2
emissions and improves
thermal comfort
Potential cost saving per year:
£269[3]
Heating controls**
Reduces fuel waste, keeps CO2 Floor insulation*
emissions down and maintains a Prevents heat loss and
comfortable temperature in your home improves thermal comfort
Wall insulation* Potential cost saving per year: £75[4] Potential cost saving per
Minimises heat loss and improves year: £45[1]
thermal comfort
Potential cost saving per year: £225[1]
(Cavity wall savings: £165)
Low-carbon heating**
Significantly reduce your carbon footprint
Potential cost saving per year of an air
source heat pump: £690[1]
PRIMARY MEASURES SECONDARY MEASURES
*All primary measure products can be viewed and purchased at Jewson
**A range of heating controls and low-carbon heating options can be purchased through Graham
[1] Potential annual savings source: Energy Saving Trust
(Figures are for a semi-detached gas-heated house in Great Britain.
Fuel bill savings based on replacing a storage heating system, with off-peak E7 price of 9.76p/kWh and ASHP RHI tariff of
10.74p/kWh.)
[2] Potential annual savings source: Energy Saving Trust
(Estimates based on insulating a gas-heated home in England, Scotland and Wales. Costs may vary significantly depending
on level of work required. Above estimates are based on a typical install, ranging from a small flat to a large detached home.
Prices are based on fuel prices as of April 2019.)
[3] Savings based on British Gypsum case study of Victorian terrace home in North Tyneside.
[4] Potential annual savings source: Energy Saving Trust
(based on a typical three-bedroom semi-detached home, heated by gas. Figures are based on fuel prices as of May 2020.)
4 / GREEN HOMES GRANT HOMEOWNER GUIDE
WHAT’S THE PROCESS?
STEP 01
CHECK YOU ARE ELIGIBLE
by visiting the government website.
STEP 02 FIND OUT WHICH WORK YOU CAN GET
COMPLETED
Find out your suitability by completing a quick
energy-saving assessment survey on the
Simple Energy Advice website.
STEP 03
GET A QUOTE FROM ACCREDITED INSTALLERS
Seek out quotes from experienced and vetted traders
approved under the TrustMark scheme. You can find
local accredited tradespeople on the TrustMark website.
STEP 04 APPLY FOR THE VOUCHERS
through the Government website and wait to receive these.
You must receive at least one quote from a Green Homes
Grant registered installer and send through with your
application.
STEP 05
ONCE APPROVED
pick your tradespeople and complete all work before the
voucher expires, or before 31st March 2022, whichever
comes first.
STEP 06
PAY
your share to the installer.
5 / GREEN HOMES GRANT HOMEOWNER GUIDE
HOW CAN SAINT-GOBAIN
HELP YOU?
Saint-Gobain has plenty of expertise when it comes to
Green Homes Grant solutions.
Look no further for a range of high performing solutions to
help you meet the energy efficiency recommendations as part
of the Green Homes Grant scheme.
The building detail is for illustrative
1 PRIMARY SOLUTIONS purposes only. It does not constitute
The building detail is for illustrative advice and
purposes only. should
It does not advice
not constitute be relied upon.
and should not be reli
WALL, FLOOR Loft
AND ROOF INSULATION
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and Isover to provide a comprehensive
to improve the thermal performance thermal
of a home. insulation
Loft
Insulation can be installed between and over the
offering to meet the energy efficiency recommendations as
joists to prevent heat from escaping through the
part of the Green roof,
Homes helping Grant Scheme.
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energy bills. is a quick, easy and cost effective way
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Saint-Gobain Insulation UK product portfolio
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heating bills, we have a range of thermal insulation solutions for above,
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of heat can escape above, between
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rafters. roof. Our insulation solutions will help prevent this heat
Flat Roof
loss, keeping homes cosy and saving on household energy
bills.
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Flat Roof
6 / GREEN HOMES GRANT HOMEOWNER GUIDE
As well as their use in solid walls, internal wall linings are
also a great way to upgrade the thermal performance of
cavity walls. Celotex PL4000 is a high performance PIR
plasterboard laminate offering a ‘2-in-1’ insulation and
plasterboard solution that is quick and easy to install.
Ground Floor The building detail is for illustrative
purposes only. It does not constitute
Suspended Timber advice and should not be relied upon.
As with other ways of thermally insulating a house, insulating
Suspended
the ground floor will help to prevent heat loss, Timber
providing Ground Floor
homeowners with the benefits of a warmer home and lower
household energy bills. As with other ways of thermally insulating a
house, insulating the ground floor will help to
prevent heat loss, providing homeowners
with the benefits of a warmer home and
Solid Wall lower household energy bills.
Where an external cavity doesn’t exist, internal wall lining
solutions are an excellent way of improving the thermal
performance of solid walls, helping to keep homes warm and Ground Floor
cutting heating bills. Celotex PL4000 is a high performance
PIR plasterboard laminate offering a quick and easy to install The building detail is for illustrative purposes only. It does not constitute advic
‘2-in-1’ insulation and plasterboard solution for internal wall
Solid
lining. Alternatively, the Celotex TB4000 Wallrange can be used
alongside a separate layer of plasterboard. ISOVER Unislab
Where an external cavity doesn’t exist, internal wall lining The building detail is for illustrative purposes only. It does not constitute advic
or ISOVER Steel Frame Infill solutions
Batt canare an also be
excellent wayused as the
of improving the thermal
insulation within the internalperformance
wall lining system.
of solid walls, helping to keep homes warm and
Solid Wall
cutting heating bills.
Cavity Wall Where an external cavity doesn’t exist, internal wall lining
solutions are an excellent way of improving the thermal
As well as their use in solid walls, internal
performance wall
of solid walls, linings
helping to keepare
homesalso
warm and
Cavity
a great way to upgrade the thermal
cutting heating Wall of cavity
performance
bills.
Solid Wall
walls. Celotex PL4000 is a high performance PIR plasterboard
As well as their use in solid walls, internal wall linings are
laminate offering a ‘2-in-1’ insulation and
also a great way plasterboard
to upgrade solution
the thermal performance of
that is quick and easy to install. Alternatively, Celotex TB4000
Cavity Wall
cavity walls. Celotex PL4000 is a high performance PIR
plasterboard laminate offering a ‘2-in-1’ insulation and
insulation boards can be usedplasterboard
alongside solutionathat
separate
is quick and layer of
easy to install.
plasterboard. As well as their use in solid walls, internal wall linings are
also a great way to upgrade the thermal performance of
cavity walls. Celotex PL4000 is a high performance PIR
Find out more: Insulationplasterboard
solutions
Suspended Timber Ground Floor
laminate offering a ‘2-in-1’ insulation and
plasterboard solution that is quick and easy to install.
As with other ways of thermally insulating a
house, insulating the ground floor will help to
Suspended Timber Ground Floor
prevent heat loss, providing homeowners
with the benefits of a warmer home and
Cavity Wall
lower household energy bills.
As with other ways of thermally insulating a
house, insulating the ground floor will help to
prevent heat loss, providing homeowners
with the benefits of a warmer home and
lower household energy bills.
7 / GREEN HOMES GRANT HOMEOWNER GUIDE
1 PRIMARY SOLUTIONS
INTERNAL WALL INSULATION SYSTEMS
British Gypsum has a range of Internal Wall Insulation systems
suitable for your solid wall insulation needs, all of which are
stocked throughout the UK.
Each Internal Wall Insulation system is supported by British
Gypsum specialist installer training courses to ensure that
products are installed to meet standards. Following training,
installers go through an on-site assessment in order to become
approved.
What are the benefits of Internal Wall Insulation?
• A reduction in heat loss through walls
• A reduction in CO2 emissions from the property
• A reduction in energy bills
Find out more: Internal Wall Insulation systems
DriLyner RF DriLyner TL GypLyner IWL GypLyner Universal
DriLyner
DriLyner RFRF DriLyner TL GypLyner IWLGypLyner IWL Wall lining GypLyner Universal
Wall lining
• British Gypsum have a range of Internal Wall Insulation (IWI) systems suitable for your solid wall
• British Gypsum have a range of Internal Wall Insulation (IWI) systems suitable for your solid wall
insulation needs, all of which are BBA certified.
insulation needs, all of which are BBA certified.
• British Gypsum products are stocked nationally throughout the UK.
• British Gypsum products are stocked nationally throughout the UK.
• Each Internal Wall Insulation system is supported by specialist installer training courses to ensure
• Each Internal Wall Insulation system is supported by specialist installer training courses to ensure
that products are installed to meet standards. Following training, installers go through an on-site
that products are installed to meet standards. Following training, installers go through an on-site
assessment in order to become approved.
assessment in order to become approved.
DriLyner TL GypLyner IWL GypLyner Universal
GypLyner Universal
RF DriLyner
DriLyner TLTL GypLyner IWL GypLyner UWL
Wall lining
Wall lining
ange of Internal Wall Insulation (IWI) systems suitable for your solid wall
sum have a range of Internal Wall Insulation (IWI) systems suitable for your solid wall
hich are BBA certified.
needs, all of which are BBA certified.
are stocked nationally throughout the UK.
sum products are stocked nationally throughout the UK.
tion system is supported by specialist installer training courses to ensure
nal Wall Insulation system is supported by specialist installer training courses to ensure
d to meet standards. Following training, installers go through an on-site
cts are installed to meet standards. Following training, installers go through an on-site
ecome approved.
nt in order to become approved.
8 / GREEN HOMES GRANT HOMEOWNER GUIDE
• Layered system where insu
and then coated with a deco
• Typical construction:
• Insulation fitted to your
• Base coat with reinforc
1 PRIMARY SOLUTIONS
• Primer
• A choice of a decorative
EXTERNAL WALL INSULATION brick effect finish
Saint-Gobain Weber can help with upgrades with the thermal
SUITA
properties and the aesthetics of your home with an external
• Pro
wall insulation system. hou
This type of system is attached to the outside of your home,
and is built up in several layers including insulation board
and an adhesive render coat. Each system will be designed
to fit the requirements of the project, and there are plenty of * Energy Agency/NI
choices when it comes to colours and finishes for the final look Brick effect finish
– you can even go for a brick effect!
What are the benefits of external wall insulation?
• Increases thermal efficiency
• Minimises heat loss and therefore energy consumption
WHAT IS IT:
• Reduces energy bills
• Layered system where insulation is fitted to the outside of your home
• Updates the coated
and then aesthetics
with aof your home
decorative finish
WHAT IS
• Provides a IT:
weather-proof, durable façade
• Typical construction:
• Layered
• Controls system
condensation
• then
Insulation
where
fitted
insulation is fitted to the outside of your home BEFORE
and coated withtoa your wall finish
decorative
• Eliminates
• Base cold bridging
coat with reinforcement mesh External wall insulation
• Typical construction:
• Reduction in
•• Primer sound transmission
Insulation fitted to your wall
• Increases
•• A lifespan
choice of your property by protecting
Base coatofwith
a decorative finishmesh
reinforcement included coloured render, paint or
brickwork brick effect finish
• Primer
• Applied externally so no need to move or redecorate
• A choice of a decorative
SUITABLEfinish FOR:
included coloured render, paint or
brick effect finish
• Properties with solid wall construction (usually
houses built before 1920)
SUITABLE FOR:
• Properties with solid wall construction (usually
houses built before
SOLID1920)
WALL HOMES LOSE AS MUCH AS 45%AFTER
DID YOU KNOW
Solid wall homes lose as much as 45% HEATheat through External wall insulation
THROUGH UNTREATED WALLS*
untreated walls (Energy
* EnergyAgency/NIA)
Agency/NIA
SOLID WALL HOMES LOSE AS MUCH AS 45%
HEAT THROUGH UNTREATED WALLS*
* Energy Agency/NIA
Find out more: External Wall Insulation systems
9 / GREEN HOMES GRANT HOMEOWNER GUIDE
2 SECONDARY SOLUTIONS
GLAZING
Saint-Gobain Glass manufactures some of the UK’s most
energy efficient glass and the Green Homes Grant includes the
installation of new windows and entrance doors such as
replacing single glazed windows with double glazing.
Planitherm is a range of modern, high-performance glazing for
the home made by Saint-Gobain Glass. Whether you’re looking
for more warmth, a peaceful night’s sleep or to enjoy a sun-
filled room without overheating, Planitherm glass is quality
assured and you can use it in any style of window frame – for a
clear difference you may not see but will certainly feel.
Planitherm glass doesn’t just meet UK energy standards and
Building Regulations, it exceeds them: offering not only better
efficiency than traditional double glazing.
What are the benefits of replacing your existing single glazing
with Planitherm?
• Improved energy efficiency
• Enhanced security
• Noise reduction
• Reduced overheating
• Furniture fade protection
DID YOU KNOW
24,000 square metres of Planitherm glass was used on
one of London’s most instantly recognisable (and energy
saving) skyscrapers - the Gherkin (real name: 30 St Mary
Axe).
Find out more: Glazing
10 / GREEN HOMES GRANT HOMEOWNER GUIDEBUILDERS’ MERCHANTS:
HEATING CONTROLS…AND
MORE
Graham the Plumber’s Merchant supply the low-carbon heating
options that are included as a primary measure under the
scheme, including air source and ground source heat pumps,
solar thermal, and biomass boilers. They also offer solutions to
help you deliver specialist secondary measures including smart
heating controls, thermostats and pipe insulation. Graham’s
extensive product range will help you stay in control of your
heating and hot water.
What are the benefits of heating controls?
• Reduce fuel waste
• Keep CO2 emissions down
• Improved control
Jewson and Gibbs and Dandy also supply a range of low-
carbon heating options, and all products covered within the
primary measures can be purchased here, including external
and internal wall insulation and wall, floor and roof insulation.
Also in stock are a range of effective draught proofing
solutions that can help to eliminate cold spots within a
property and save on energy bills.
Alternatively you can visit specialist insulation and dry-lining
distributor Minster for advice and support on your Green
Homes Grant product needs.
Sourcing all of the products you need for specific measures
in one single place can help when beginning discussions with
your certified installer.
Want to discuss Green Homes Grant solutions with
Saint-Gobain?
Find out more about how we can support you with Green
Homes Grant solutions.
Contact us
Find out more
11 / GREEN HOMES GRANT HOMEOWNER GUIDEFAQS
Q Who can apply?
A Homeowners (park homes, long leaseholds and shared
ownership) and residential landlords in England only. New-
build properties that have not previously been occupied are
not eligible for the scheme.
Q Could these improvements help me to save cash on my
energy bills?
A
According to the government, these vouchers could help
more than 600,000 households across England to save up
to £600 a year on energy bills.
Q When can I apply for the Green Homes Grant?
A
The Green Homes Grant scheme opened at the end of
September 2020. You must move fast to redeem the
voucher and ensure home improvements are completed by
31 March 2022.
Q How much money can I receive from the Green Homes
Grant scheme?
A
Most applicants could receive vouchers for up to £5,000,
which covers two thirds of the total cost of the property
refurbishment. Those on a low-income can apply for grants
of up to £10,000 which will cover all of the retrofit costs.
A full list of qualifying benefits is available on the Simple
Energy Advice website.
Q How do I source Green Homes Grant approved installers?
A
You’ll need to find accredited tradespeople to get quotes
from to carry out the work.
Only experienced and vetted traders approved under the
TrustMark scheme can carry out the home improvements.
You can find accredited local tradespeople on the TrustMark
website.
The Simple Energy Advice website offers homeowners access
to fully accredited tradespeople in their area able to carry out
the work needed, so they can get quotes ready for when the
vouchers become available. You should obtain at least three
quotes to ensure you are getting the best value for money.
12 / GREEN HOMES GRANT HOMEOWNER GUIDEABOUT SAINT-GOBAIN Saint-Gobain designs, manufactures and distributes materials and solutions that have a positive impact on each of us and provide wellbeing, quality of life and performance, all while caring for the planet. Our materials and solutions can be found everywhere in our living places and in daily life; in buildings, transportation, infrastructure and in many industrial applications. They provide comfort, performance and safety while addressing the challenges of sustainable construction, resource efficiency and climate change. Saint-Gobain in the UK and Ireland includes some of the best-known and respected companies in the construction sector including: British Gypsum, Jewson, Saint-Gobain Glass, Graham, Weber, Isover, Glassolutions, Saint-Gobain PAM and Ecophon. Together they offer a range of high performance energy-saving products and solutions to help create great living places and improve daily life. For more information on Saint-Gobain, visit: www.saint-gobain.co.uk
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