I have 2/3 year old piracanthis plant abount 5 ft high in my current garden. Can I transplant them into my new home garden?

Lucky you, I've always wanted a wraparound garden. I take it you're referring to Pyracantha - if its only been in 2 years, you should be able to lift it successfully, but make sure you keep a good rootball on it. Dig round with a fork initially, about a foot or so away from the main stem, and gently lift the plant each time, loosen all the soil and work out where the lead roots are going and try to dig them out intact. Keep the rootball round the plant intact, either wrap it plastic or place in a pot and replant as soon as possible, preferably within 2/3 days max. Water well before lifting and give a good soak after. If its five feet or more high, you might need to remove some of the topgrowth to make it easier to transport - this will mean you lose some flowers next year.

Whilst I agree with Bamboo's advice, I must say that is illegal to take plants from your sold garden, unless the buyer has agreed. It would be a shame to have problems just as you move into your new house. Good luck anyway.

Agree with Mad.