Welcome to Rock Solid Doors, Composite Door installers covering London & the home Counties. Our Solidor range of doors start at £900 fully fitted including VAT!! Whatever your requirements our current range will not disappoint in terms of security good looks and off course thermal efficiency . We take great pride in only offering the very best Doors available. and only ever use our own fitters. All of our Doors come with a minimum 12 Year Guarantee as standard. You can Design your very own Solidor with our Solidor door designer Ordering your door is very simple Just design your door and submit your enquiry We will then get back to you with your quote Once you are happy with your quote we will arrange your no obligation site survey We do not take deposits or survey fees You only pay when your door has been installed