Stove into an existing chimney
- Stove supplied and fitted
- Flue liner, register plate and hearth
- CO alarm and HETAS certificate
What goes into each job, what the national cost guides say for 2026, and a quick way to work out what size stove your room needs. Your own price comes after a survey.
Every home is different, so we do not publish a price list. Tom looks at the room and the chimney, then gives you a clear written quote.
So you can sanity-check any quote, including ours. These are national averages from published cost guides, not our prices.
| Item | Typical 2026 figure | Source |
|---|---|---|
| Installation labour (existing fireplace) | around £2,000 | Checkatrade cost guide, updated September 2026 |
| The stove itself | £500–£1,500 (average about £950) | Checkatrade |
| New flue liner in an existing chimney (install) | around £1,150 | Checkatrade |
| External twin-wall flue, existing fireplace (install) | around £2,550 | Checkatrade |
| New fireplace opening and hearth | £900–£3,000 | Checkatrade |
| Whole job, stove plus installation | £1,800–£5,500+ | BookaBuilderUK, March 2026 |
| Annual sweep and service | around £100 | Checkatrade |
What moves the price most: whether you have a usable chimney, whether it needs lining, whether a new opening or a false chimney breast has to be built, the stove you choose, and the surround and hearth. Read the full cost guide.
Too big and you’ll cook yourselves out of the room; too small and it won’t keep up. Enter the room size for a quick guide.
Tom looks at the room and the chimney, and the quote is written down with nothing hidden.