ONLY three of Scotland’s 59 parliamentary constituencies have complete 4G coverage from all four mobile operators, according to new research.

Aberdeen North, Glasgow North West and Glasgow South West have 100% coverage, while only one constituency in Wales – Central Cardiff – did and Northern Ireland had none, Which? said.

The consumer group’s analysis of Ofcom’s Connected Nations data looked at the UK to see how many areas had 4G mobile coverage from all four operators – the only way to ensure consumers had a choice of providers offering a consistent level of service throughout their area.

The research comes amid talks between the UK Government and mobile operators over how to boost mobile broadband access in poorly served areas and ensure the Government meets its target of extending 4G coverage to 95% of the country by 2022.

READ MORE: This is how bad Scotland's 4G availability is compared to the rest of the UK

Currently, only 67% of the UK’s geographical area has 4G coverage from all four operators, while 8% has no 4G coverage at all.

Overall, Which? found that in 524 out of 650 UK parliamentary constituencies (80%), 4G coverage was not available from all four operators in the whole constituency.

In Scotland, the worst-served constituencies are Ross, Skye and Lochaber (13.7%), Argyll and Bute (14.7%), Na h-Eileanan an Iar (19.1%) and Caithness, Sutherland and Easter Ross (27.1%). Town-based constituencies with less than 60% of cover from the four operators include East Kilbride, Strathaven and Lesmahagow (59.6%) and Ayr, Carrick and Cumnock (40.3%). City-based constituencies such as Perth and North Perthshire, Stirling and Inverness, Nairn, Badenoch and Strathspey only managed to score 38.6%, 38% and 31.3% respectively.