A boiler that won't fire usually shows a fault code or a flashing light. The fix depends entirely on the code — and most can be diagnosed before a callout.
Safe steps you can take in the next 10 minutes — in order.
When to stop and call
Any fault code starting with E, F, or specific numbers your manufacturer says require an engineer. Always when there's a smell of gas — call National Gas first on 0800 111 999.
Most cases of a boiler that won't fire in Leonard Stanley homes come down to one of these.
Quick fix
£110
Typical
£260
Worst case
£700
Pressure or condensate fix: £90–£140. Diverter or expansion vessel: £180–£320. PCB or heat exchanger: £400+.
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 Leonard Stanley →Sometimes yes — the steps above cover the common DIY fixes. Any fault code starting with E, F, or specific numbers your manufacturer says require an engineer. Always when there's a smell of gas — call National Gas first on 0800 111 999.
Around £260 for the typical repair (range £110–£700). Pressure or condensate fix: £90–£140. Diverter or expansion vessel: £180–£320. PCB or heat exchanger: £400+.
For genuine emergencies in Leonard Stanley we usually attend within 1–3 hours during weekdays. For non-urgent jobs we typically book within 2–5 working days.
Usually no. A boiler that won't fire 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 Leonard Stanley 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 Leonard Stanley project.



Five-minute call, honest opinion on what's involved, no pressure. If it's not the right fit we'll tell you.
Summary: a single Gloucestershire-based team, one written quote, every trade in-house — that's what makes a boiler installation in Leonard Stanley run on time. If you want a slow, careful job rather than the fastest, we're the right call.
Boiler Installation jobs in Leonard Stanley are scheduled around the realities below — postcode coverage, nearest roads, councils involved, and the named places we travel to from there.
Stroud District Council — covering GL10 postcode district.
We reach Leonard Stanley via A419, M5 J13 — and serve sites within roughly 12 miles of here.
Stonehouse Industrial Estate · Oldends Lane Industrial Estate
Leonard Stanley is a Stonehouse neighbourhood — stonehouse benefits from m5 j13 access — material lead times are short and same-week starts are usually possible.