Yes, technology has moved on and there are a number of solutions on the market.
If you would like to contact us we can look at developing a solution with you. One question we do have is your planning permission has a start date, otherwise it become invalid.
Could you please check to ensure this is still valid and when it is likely to expire, as this will govern when you need to get Building Regulation approval granted?
Please feel free to contact us and we will establish whet needs to be done.