Consumer magazine Which? has today published the results of their latest Q1 2015 reader survey of broadband ISP satisfaction, which found that customers of John Lewiss broadband division and Zen Internet were the most satisfied with their service. Meanwhile all of the biggest ISPs could be found languishing at the bottom.

The consumer survey itself was conducted between December 2014 and January 2015 with only 1,757 of the magazines readers, so take the results with a pinch of salt because we dont get to see precisely how much feedback each ISP received. Otherwise respondents were quizzed about various aspects of service, such as speed, support, reliability and value for money etc.

Overall only four ISPs received a satisfaction score of greater than 70%, which saw John Lewis come top (76%) and they were followed by the familiar faces of Zen Internet (75%), Utility Warehouse (73%) and PlusNet (72%). Which? notes that these are all smaller providers and indeed all of the big boys could be found languishing in the lower half of the table, with BT at the lowest (45%).

Its good to see the popular high street brand John Lewis doing well here, especially as theyve only been in the market for 3 years. But its worth noting that John Lewis is supported by PlusNets platform and funnily enough PlusNet are actually owned by BT, although they remain a semi-independent business and clearly have a much better handle on issues of customer support and service than their parent.

As for the big ISPs, its perhaps no surprise to see BT, TalkTalk and EE languishing lower down, although Ofcoms similar surveys of consumer complaints (here) and broadband satisfaction (here) tend to give considerably more praise to Sky Broadband and Virgin Media than the Which? survey does.

Otherwise Which? once again took the opportunity to continue their campaign for a Broadband Speed Guarantee, which seeks to nudge the UK Advertising Standards Authority (ASA) into tightening the rules to ensure that advertised broadband speeds more closely match the real experience of most customers.

Which?s Demands for a Broadband Speed Guarantee

Advertising speed claims, like superfast, to be quantified by providers. Customers to be given written speed estimates at the start of the contract, with an accurate estimate for their individual address. People to be allowed to exit contracts without penalty if they dont get the minimum speed estimated at any point in their contract.

Its perhaps worth pointing out that everybody appears to struggle with the question of defining superfast (here), not just ISPs. Meanwhile pretty much every fixed line ISP will already give subscribers an estimated speed range when they first sign-up (Ofcoms Voluntary Code of Practice on Broadband Speeds), although requiring an accurate estimate isnt really possible with the current infrastructure and other pitfalls.

Internet connectivity performance can fluctuate for all sorts of reasons, such as poor home wiring, local network congestion, traffic management, crosstalk on FTTC lines or slow wifi etc. Many of those issues are beyond the ISPs ability to control and some would be simply impossible to account for in an estimate.

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John Lewis and Zen Internet Come Top for UK ISP Broadband Satisfaction