Sky Box Sets and downloaded content will start to include subtitles, with most titles featuring them by summer next year.
The move to bring subtitles to on-demand content follows Sky subscribers downloading more catch-up content from the Sky On Demand library
While Sky subtitles the majority of content available on its linear channels and Top Picks content delivered over the satellite signal, it’s not been able to match that level of service with on-demand content.
Related: Subtitles need a better spellcheck, says OfcomSky’s director of product design and development Ian Rosarius cites technical challenges which have prevented Sky from doing this, but is confident that by summer 2016, every Sky customer will be able to get subtitles on the majority of on-demand content.
Rosarius said: "We understand that the way in which people watch TV is changing, and that the vast majority of on demand content is now downloaded over the internet.
"While there are significant technical challenges to overcome when subtitling on that platform, my team, and others right across the business are determined to address this."
As well as working on delivering this, Sky has also launched a separate accessibility hub designed to help customers enable things like subtitles and audio description on the Sky+HD box. An October 2014 update to the Sky+ iOS and Android apps let customers set and manage recordings with voice controls.
The RNIB has working on a new audio description app that promises to work with a number of on-demand services including Sky Go and Now TV. Trials of this ended in May, but there’s no ETA for this service right now.