Just did a Rapid Antibody test through Bupa. Easy to get an appointment, £65, they prick your finger and take a small amount of blood, then in 5-10 mins you have the result.
It came back positive as having antibodies.
I felt that I had something in early/mid January that lingered for a while - really congested, tired, achy, feeling really cold a lot of the time - but no change to sense of taste/smell or any real cough.
Did PCR tests on 17th and 26th Jan which both came back negative though so not sure what to make of things as haven’t felt unwell at any other point.