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 Up Hatherley 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 Up Hatherley →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 Up Hatherley 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 Up Hatherley and the wider Gloucestershire area for fast plumbing and bathroom repairs.
Call 07927 593 585A small sample of Gloucestershire work. Every job here was managed by the same team that would handle your Up Hatherley project.



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.
Next step: get a written quote. We travel to Up Hatherley (and anywhere within 18 miles of Cheltenham) without a callout fee. Bring photos of the room if you have them — it saves a visit.
Boiler Installation jobs in Up Hatherley are scheduled around the realities below — postcode coverage, nearest roads, councils involved, and the named places we travel to from there.
Cheltenham Borough Council — covering GL50, GL51, GL52, GL53 postcode districts.
We reach Up Hatherley via M5 J10, M5 J11, A40 — and serve sites within roughly 18 miles of here.
Kingsditch Trading Estate · Lansdown Industrial Estate · Cheltenham Trade Park
Up Hatherley is a Cheltenham neighbourhood — cheltenham's regency terraces have narrow service lanes — we use trade parking on bath road or tivoli for jobs in the montpellier area.