Are my current C/H Radiators good enough if I replace my old Gas Boiler for an ASHP?

I have 9 slim so called ‘convection’ style radiators in my house, that appear as perforated panels backed up by a matrix of 15mm copper or steel pipes running vertically from the top to bottom tubes with thermosatatic TRVs fitted by me with a water pump primed, Gas fired C/H boiler in my garage.The gas boiler is no longer servicable and I have voluntarily swithced it off at the gas mains supply but kept my dual fuel tariff because the house has a gas cooker access point, currently capped in our kitchen and gas piping feeding the garage boiler that runs along our lounge wall and could easily be extended through the breeze block dividing wall to run a lovely powerful balanced flue gas fire in our lounge at a future date. My idea is to get an ASHP installed to replace the old gas boiler but wonder about my rads being thermally unsuitable.They are all in good condition and I added corrosion inhibitor several years ago after cleaning the accumulated black magnetite sludge out of each one by flushing cold water through each one in my the front garden and the water pump was also replaced by me some years ago and seems to be still working just fine at a steady 90 to 100 watts of power, as indicated on my recently installed and very useful smart meter. I have only a 60 amp single phase mains supply underground to my old fashioned cartridge fused mains distribution  board in the garage. The house is now double glazed throughout and I have added a layer of nominally 100mm thick of sheep wool at 90 degrees to the gang nailed rafters and roof trusses as additional loft insulation several yeara ago to upgrade from the original 100 mm mineral wool  in situ since the house was built in 1982. How might I proceed?