Why use ahp boiler services for all your boiler and central heating needs? Find out how much income you keep and how much the taxman takes. Get the comfort you need at a price you can afford! Thank you for using wpj heating, we wish you a great day! Unit f, bicknells yard, merstham road. Can they provide you with local referrals? The popular choice for the average family home, combi boilers provide a ‘combination’ of central heating as well as hot.