On Saturday, 2 February 2019 07:40:28 UTC, wrote:

We need two doors in our house replaced, one in the kitchen going out
to the yard, and the front door to the house.

Who would do such work in my area, London SW12? I can spend a little
more money, I just want the work to be done reputably.

a tradesman

What I'm looking for is companies which specialise in manufacturing
and installing doors.

Oh, you want to pay several times the price.

One example which has been advertising on TV
recently is;

https://www.todd-doors.co.uk/

We can either employ a window firm such as Albion, or a firm which
specialises in doors.

Suggestions?