Range from the cheapest powerflush £313 (Romgas based in SG2) to the dearest powerflush £474 (N H Gas Services based in SG1).
Comparing heating engineers estimates for powerflushing a central heating system gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to powerflush in SG1 by posting a job with HaMuch and we will send it to heating engineers in SG1.

"Flush the system and change the filter "
STEVENAGE
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Powerflush near Stevenage | £52 | £294 |
| Powerflush near Hitchin | £53 | £298 |
| Powerflush near North Hertfordshire | £53 | £302 |
| Powerflush near Letchworth | £54 | £302 |
| Powerflush near East Hertfordshire | £53 | £292 |
| Powerflush near Welwyn Garden City | £57 | £314 |
| Powerflush near Hertford | £56 | £301 |
| Powerflush near Harpenden | £56 | £299 |
| Powerflush near Luton | £55 | £300 |
| Powerflush near Ware | £54 | £297 |