BT Full Fibre 900 Broadband Review

BT Full Fibre 900 Reviews

If you searching for BT Full Fibre 900 deals or indeed full fibre 900 reviews, the chances are that you’re going to be swamped with review sites, videos and Q&A – “Is BT Full Fibre 900 worth it?”, “Is BT Full Fibre Better than Virgin?” and so on. In addition to that, you’ll see sorts of related searches like “BT Full Fibre 900 installation”, “BT Full Fibre 900 problems” and so on. Not all of these reviews, questions and searches offer like-for-like results, and in all honesty it’s a lot to wade through. The purpose of this review is to take out some of the legwork and guesswork and provide you with all the links and sources on one page to make a decision. For anyone already using BT Full Fibre 900 we encourage you to leave your review and speed tests at the bottom of this page for anyone else considering it.

The sections below condense the reviews from websites, videos and social media channels discussing BT Full Fibre 900. It gathers together commonly asked questions, and most important it looks at first hand experiences with BT Full Fibre 900, unveiling thoughts and experiences on whether it’s worth it and what results it gave on person-by-person basis. Now bare it mind that each persons views are different. This “meta review” if you like doesn’t take sides and at the same time it doesn’t provide a single definitive answer. Ultimately it arms you with the information you need to make decision. Let’s begin.

BT Full Fibre 900 Speed & Performance

The Full Fibre 900 plan advertises average download speeds of up to 900 Mbps and upload speeds of up to 110 Mbps. But that’s not what you’ll get every time – sometimes it will be slower, and sometimes it will be faster. That will depend on a range of factors including time of day, day of the week, number of connected and operating devices, router setup, where you are located, what full fibre packages are available in your area and so on. So what BT has done is offer a guarantee (called their Stay Fast Guarantee) which promises that speeds on Full Fibre 900 won’t drop lower than 700 Mbps when downloading and 10 Mbps when uploading. That’s not a misprint – 10 Mbps surprisingly is standard across all BT Full Fibre packages.


Download Stay Fast Guarantee

Upload Stay Fast Guarantee

Full Fibre 100



Full Fibre 300



Full Fibre 500



Full Fibre 900



The above speeds are theoretical – they’re averages and promises. So what are users actually experiencing in practice?

How does BT Full Fibre 900 do in Speed Tests?

If you visit BT’s Community site, one of the discussion threads looks at BT Full Fibre 900 speed and performance. One user provides a handy screenshot from which shows the package over-performing on download speeds tests. But besides that there’s not much else showing actual user experience.

Bt Full Fibre 900 Speed Test

Full Fibre 900 Speed Tests on YouTube

Enter Youtube – there’s a lot more here. A video by YouTuber Kevin Muldoon, provides high-speed readings of 911 Mbps on and as high as 980 Mbps on similar to the BT Community review. Kevin does note in the video that he had problems measuring upload speed on which showed false low readings of around 5 Mbps. He then reruns the test on and Google’s speed test getting download readings between 789.1 and 582.7 upload variations between 48.2 and 71.1 uploads, with a slightly higher latency of 21 ms. You’ll see similar videos such as rate my tech which shows speed clocking upwards of 946 Mbps. Perhaps the most thorough video review on the download and upload speeds of BT Full Fibre 900 is by Ryan Thomas. Ryan provides three tests side-by-side (3.48 min) showing download speeds ranging from 763.42 to 905.34 and upload speeds keeping fairly consistent between 118.42 and 119.53.
BT Full Fibre 900 side by side review
With our new Stay Fast Guarantee, we don’t just guarantee customers’ broadband speeds, we constantly check and optimise them, so they’ll get reliable broadband speeds all day every day. If a customer’s broadband falls below their personal speed guarantee then we have an expert team of service agents on hand to get things back to normal as soon as possible - ensuring they get the best and most personal broadband experience.
BT Broadband Logo
Kelly Barlow
Marketing Director, BT

What is Pricing like for BT Full Fibre 900?

The price of the BT Full Fibre 900 package changes over time, and is typically reviewed each week. It also changes during the contract each year in line with the Consumer Price Index (CPI) rate of inflation, plus 3.9% which is mentioned on BT’s website. You may find on occasion two different for BT Full Fibre 900 existing simultaneously – such as the affiliate offers pricing (currently at £57.99 per month with a £50 gift card) and the price mentioned on BT’s own website at £17 per month cheaper for £40.99 like the side-by-side snapshot taken on 4th August 2023. If you do see discrepancies like this we suggest picking them up with the BT support team, or waiting until they rectify,  as they may save you a lot of money in the process. 

This is all before you add anything to the package like complete WIFI, Hybrid Connect, Sport or Entertainment which will of course effect the baseline price discussed.

BT Full Fibre 900 Price Variations

What do the Review Sites say?

It’s worth looking at what the review sites say about the full fibre 900 deal. Here’s a collection of the thoughts and verdicts from some of the top review sites.

"900 Mbps is going to be more than enough for most UK households, so this package is aimed at those with very high usage"
Money to the Masses
Damien Fahy
Founder of Money to the Masse
"...BT’s packages offer good value for money. However, Full Fibre 900 is a premium service, and is therefore pricier as a result."
Cable Logo
Dan Howdle
Cable, November 2nd, 2022
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