Viessmann Boiler Prices — 2026 Fitted Cost Guide

Wondering what Viessmann boilers cost in 2026? Next Gen Boilers Ltd is an approved Viessmann installer covering Greater Manchester. Here's a transparent, up-to-date guide to Viessmann boiler prices — all fully installed, all-inclusive.

Call us: 07305 687 331 — Gas Safe registered engineers serving Greater Manchester.

Viessmann Boiler Prices — Fully Fitted 2026

All prices below are fully installed, including boiler, labour, thermostat, filter, flush, old boiler disposal and Gas Safe certificate:

  • Viessmann Vitodens 050-W 25kW combi — £1,999
  • Viessmann Vitodens 050-W 30kW combi — £2,099
  • Viessmann Vitodens 050-W 35kW combi — £2,199
  • Viessmann Vitodens 100-W series — price on application (premium range)
  • Viessmann Vitodens 050-W system boiler — from £2,199

These are fixed prices — what you're quoted is what you pay. No surprises on the day.

What Makes Viessmann Worth the Price?

Viessmann costs slightly more than budget brands — here's why many customers consider it the best investment:

  • Stainless steel MatriX cylinder burner — more durable and corrosion-resistant than aluminium alternatives used in cheaper boilers
  • Up to 98% seasonal efficiency — reduces gas bills significantly compared to older or less efficient boilers
  • 10-year warranty — one of the best warranties in the industry when installed by an approved engineer
  • Lower lifetime cost — more reliable, fewer breakdowns, and lower energy bills typically offset the higher upfront cost within 3–5 years
  • Made in Germany — Viessmann has been manufacturing boilers since 1917 to exacting quality standards

Viessmann 2 Years Free Servicing Offer

Next Gen Boilers Ltd currently offers 2 years free annual servicing on qualifying Viessmann Vitodens 050-W installations (25, 30 and 35kW). Use code NEXTGEN2YEARS when booking.

Annual boiler servicing typically costs £80–£100 per year. Getting 2 years free is worth up to £200 — and it keeps your manufacturer warranty valid throughout. It also ensures your new Viessmann is running at peak efficiency from the start.

This offer is available now and can be combined with our 0% finance options.

Frequently Asked Questions

How much does a Viessmann boiler cost fitted in 2026?

A Viessmann Vitodens 050-W combi costs from £1,999 fitted (25kW) to £2,199 (35kW). All prices are fully inclusive — boiler, installation, thermostat, filter, flush, old boiler removal and Gas Safe certificate. The 10-year warranty is registered for you on the day.

Is a Viessmann boiler better than Worcester Bosch?

Both are excellent premium brands. Viessmann is German-engineered with a stainless steel burner and is often preferred by engineers for long-term reliability. Worcester Bosch is the UK's most popular brand with excellent consumer recognition. Both carry 10-year warranties. We'll help you choose based on your home and budget.

Are Viessmann boilers energy efficient?

Yes — Viessmann Vitodens boilers achieve up to 98% seasonal efficiency, meaning very little heat is wasted. Replacing a 15-year-old boiler (typically 70–80% efficient) with a Viessmann could save £200–£350/year on gas bills.

Do you get a free thermostat with a Viessmann boiler?

Yes — a room thermostat is included with every installation. We offer an upgrade to a Hive Mini smart thermostat. The HIVEMINI promo code gives you a free Hive Mini smart thermostat on all new boiler installations.

Can I pay for a Viessmann boiler monthly?

Yes — 0% interest-free finance is available. A Viessmann Vitodens 050-W 25kW (£1,999) over 60 months is approximately £33/month. Finance is subject to approval.

Get a Viessmann Price Quote