gas boiler installation Winchester
Skilled installation of Worcester Bosch gas boilers, all with up to 12 years parts & labour guarantee
Is your boiler old, unreliable, or not as efficient as it should be? Roost Heating can help. We install new Worcester Bosch gas boilers throughout Winchester and surrounding villages, all fitted by Gas Safe registered engineers and covered by up to 12 years parts & labour guarantee.
Book your free home survey today!
Just provide us with a little bit of information and we’ll be in touch and ready to get you booked in for a no obligation home survey.
Boiler system design & correct sizing - built around your home
A new boiler isn’t just a replacement – it’s the heart of your heating system. Our engineers always take sizing and system design seriously, making sure your new boiler will run efficiently and suit your home’s needs. When it’s required, we’ll carry out detailed checks or calculations on your home’s layout, insulation, and hot-water demand to confirm the right boiler choice.
- Why it matters:
- Too small: struggles to heat your home efficiently
- Too large: wastes energy and shortens lifespan
By approaching every job with care, we ensure your boiler is well matched to your property and performs reliably for years to come.
Boiler finance - simple, flexible payment options
Don’t want to pay for your new boiler all at once? Roost Heating offers flexible payment plans to make upgrading easier..
- Up to 2 years interest-free finance
- Affordable monthly instalments
- Benefit from the expertise of one of the UK's leading consumer lenders.
- Access to high-efficiency Worcester Bosch boilers at a manageable cost
Smart heating controls - for new or existing systems
We can fit smart heating controls to both new and existing boiler systems.
Smart thermostats like Bosch EasyControl, Tado, or Hive make it easy to manage your heating from your smartphone, adjust temperatures room-by-room, and track your energy use.
- Benefits of smart controls include:
- Full control from anywhere via app
- Lower energy consumption
- Greater comfort and convenience
If you’re upgrading your boiler, we can integrate smart controls during installation – or we can retrofit them to your current system at any time.
Our installation process
Step 1. Free home survey
A DBS-checked engineer visits your home to assess your heating needs and recommend the most efficient boiler.
Step 2. Professional installation
We’ll install your new boiler neatly, safely, and efficiently - and explain how everything works before we leave.
Step 3. Payment & guarantees
Choose how to pay - upfront or monthly - and enjoy up to 12 years parts & labour guarantee for peace of mind.
Gas boiler installation FAQs
How do I know what size boiler I need?
We calculate your home’s heat loss, insulation, and water usage to recommend the perfect boiler size.
Can you fit smart controls to my existing system?
Yes – we can retrofit smart thermostats like Tado, Nest, or Bosch EasyControl to most existing systems.
How long does installation take?
Most installations take 1-2 days, depending on your setup.
Do your boilers come with a warranty?
Yes, as Worcester Bosch Accredited Installers, we offer up to 12 years parts & labour guarantee.
Do you offer finance?
Yes – with up to 2 years interest-free options available.
Do you cover areas outside Winchester?
Absolutely! See below for our full service area.
Expert installation of Worcester Bosch Gas Boilers
Whether you’re replacing an old system or upgrading to a more powerful, energy-efficient model, our engineers will help you choose the right combi, system, or regular boiler for your home.
- Every installation includes:
- Professional advice on the right boiler for your property
- Gas Safe and Worcester Bosch accredited workmanship
- Up to 12 years parts & labour guarantee
From system design to aftercare servicing, we make sure your heating system is efficient, reliable, and built around your home.
Local boiler installers in Winchester & surrounding areas
Roost Heating provides new boiler installations, replacements, and upgrades across Winchester and surrounding villages, including:
Abbotts Barton, Badger Farm, Bar End, Fulflood, Harestock, Highcliffe, Hyde, Oliver’s Battery, St. Cross, Stanmore, Teg Down, Weeke, Martyr Worthy, Abbots Worthy, Chilcombe, Headbourne Worthy, Kings Worthy, Littleton, Sparsholt, Avington, Ovington, Alresford, Bishops Sutton, Compton, Twyford, Hursley, Morestead, Itchen Abbas, Colden Common, and Fishers Pond.