But Telegraph analysis has revealed that a certain type of neighbour can knock thousands of pounds off the value of your home. Having a houseshare – a house in multiple occupation (HMO) – next door drags property prices down by 2pc, or just under £5,000 for an average home, the analysis found. Since 2018, HMO licence applications to councils have increased by 40pc, official data show. The HMO next doorIn today's stagnant housing market, the growing popularity of HMOs could spell trouble for homeowners. The Telegraph looked at the 10 English councils with the most HMOs, which also had a complete public register of HMOs.