There are any number of complaints about the big brands quoting very high prices, only to drop them during the sales pitch in order to incentivise or pressure people into making a quick decision.
So bear this in mind and get yourself some local quotes from www.localconservatoryprices.co.uk/conservatories-cost
In addition, force resistant hinges should also be included on doors and windows as standard to reduce the risk of damage from break-ins.
What about a secure tiled conservatory roof? – https://www.conservatorypro.co.uk/conservatory-roof-prices/
add a room, change the windows, buy a new kitchen – so many different options. This is where a website like My Local Prices (MLP) can be of a great help.