Brian Lyn Davies, 68, died when his end‑terrace home on Clydach Road was destroyed in the early hours of 13 March 2023. The blast sent debris across the street, damaged neighbouring properties and forced dozens of people to evacuate.
At Swansea Guildhall this week, his son Ricky Davies told the jury:
“As a family we feel massive mistakes have been made and we have been massively let down by the authorities losing evidence.
We hope that harsh lessons have been learned and others don’t have to endure the heartache we have had to face.”
Rubble removed before examination
The inquest heard that in the hours after the explosion, Swansea Council staff operating a JCB removed rubble from the site as part of efforts to locate Mr Davies, who was unaccounted for at the time.
Around 60 tonnes of debris from 159 Clydach Road — described in court as “potential evidence” — was taken to a baling plant at a recycling centre and not preserved for forensic examination.
A gas pipe excavated at the scene was later found to be fractured in several places, with the largest crack measuring between four and eight millimetres. A central question for the jury is whether those cracks existed before the explosion or were caused during excavation.
Expert evidence on gas leak
Stephen Critchlow, from the Health and Safety Executive’s science division, told the inquest he had initial reservations about attending after seeing news footage showing the scene had been “significantly compromised”.
When he did visit, he said:
“I was able to see straight away the road had effectively been cleared of debris from the explosion. My opinion was most of the debris on scene was from the attached 157 neighbouring property, and that materials from 159 had been cleared from the scene.”
On the fractured gas main, he said:
“There is a leaking gas main as a matter of fact. It is close to the house, as a matter of fact, and a leaking gas main outside a house is a common cause of explosion.
I absolutely would not rule out the gas main being causal… but I can’t say any stronger than that, simply because we can’t rule out a gas leak existing in the house already, because that evidence has been lost.”
Mr Critchlow said a gas meter and cooker seized from the property were “gas tight” and the boiler had “no significant leak”.
Gas network denies fault
Harry Lambert, representing Wales & West Utilities, told the hearing the police had “absolute” responsibility for gathering evidence at the scene and said:
“The evidence is compromised and incomplete. There is no evidence at all that the mains were the cause of the gas explosion.”
Neighbour’s account
Earlier in the week, the inquest heard from Claire Bennett, who lived next door at 157 Clydach Road. She said she had smelled gas at the rear of her property for about a fortnight before the blast, which she believed was coming from a nearby address in Field Close.
The jury has now heard all the evidence. The inquest has been adjourned until Monday 15 September, when proceedings will resume.
