A cold radiator while others are warm is one of the easiest plumbing problems to diagnose — usually air at the top, or sludge at the bottom.
Safe steps you can take in the next 10 minutes — in order.
When to stop and call
If bleeding doesn't help, multiple radiators are cold, or you find the bottom is cold but the top is hot (sludge needs professional flushing).
Most cases of a radiator that won't heat in Oldbury-on-Severn homes come down to one of these.
Quick fix
£60
Typical
£180
Worst case
£650
TRV replacement: £80–£140. Power flush: £350–£650. New circulation pump: £220–£380.
The service that fixes this
Gas Safe registered boiler installation and replacement — energy-efficient systems from Worcester Bosch, Vaillant, and Ideal with manufacturer warranties.
See boiler installation in Oldbury-on-Severn →Sometimes yes — the steps above cover the common DIY fixes. If bleeding doesn't help, multiple radiators are cold, or you find the bottom is cold but the top is hot (sludge needs professional flushing).
Around £180 for the typical repair (range £60–£650). TRV replacement: £80–£140. Power flush: £350–£650. New circulation pump: £220–£380.
For genuine emergencies in Oldbury-on-Severn we usually attend within 1–3 hours during weekdays. For non-urgent jobs we typically book within 2–5 working days.
Usually no. A radiator that won't heat can normally wait until the next working day, which keeps the cost down. Genuine emergencies are flooding, no water at all, or gas smells.
We cover Oldbury-on-Severn and the wider South Gloucestershire area for fast plumbing and bathroom repairs.
Call 07927 593 585Examples of recent work delivered close to Oldbury-on-Severn. We choose projects from the nearest postcode area first so you can see what's been built locally.



Once the spec is agreed, the price is the price. We don't bill for "unforeseen extras" unless something genuinely unforeseen is uncovered, and we always ask first.
If you're weighing up boiler installation in the BS postcode area, the short version is: we cover Oldbury-on-Severn from a base reachable in minutes via M4, we quote in writing, and we don't subcontract the trades. Send the postcode and we'll handle the rest.
Boiler Installation jobs in Oldbury-on-Severn are scheduled around the realities below — postcode coverage, nearest roads, councils involved, and the named places we travel to from there.
South Gloucestershire Council — covering BS, GL postcode districts.
We reach Oldbury-on-Severn via M4, M5, M48 — and serve sites within roughly 25 miles of here.
Aztec West · Severnside
South Gloucestershire is reached via the M5 J14, typically 35 minutes from our base.