David and Diane Ormston, residents of Sutton, Surrey, for over four decades, have seen their property value drop by £25,000 folloowing a neighbor's property conversion. the shift from a three-bedroom family home to a six-person house in multiple occupation (HMO) has jeopardized the couple's ability to downsize for retirement.
The 40% surge in UK HMO applications
The conversion of family homes into Houses in Multiple Occupation (HMOs) is part of a massive shift in the UK rental market. According to the report,there was a 40 per cent surge in applications to convert homes into HMOs between 2018 and 2024. This trend is driven by landlords seeking higher rental yields to offset rising taxes and red tape.
By 2025, it was estimated that there were 472,823 HMOs acrosss the country. While these properties provide essential accommodation for those unable to rent entire homes, they often create friction with existing neighbors regarding noise, parking, and waste management.
A £25,000 hit to the Ormstons' retirement fund
For 72-year-old David Ormston and his wife Diane, 80, the financial impact of this market trend is deeply personal. As reported by Money Mail, two estate agents valued the couple's Sutton home at £525,000 following the conversion next door, down from a previous valuation of £550,000. David Ormston believes the loss could be even more severe, suggesting the property might have been worth as much as £600 ,000 had the neighbor's prooperty remained a single-family residence.
This loss directly threatens the couple's long-term plan to downsize and secure funds for their retirement years. Although David Ormston noted that his new neighbors have been respectful, the mere presence of a six-tenant house share has fundamentally altered the perceived value of his long-held asset.
Sutton Council's February 2025 rule change
The timing of the conversion highlights a significant gap in local regulatory protections. While Sutton Council introduced new rules in February 2025 requiring full planning permission for certain HMO conversions, these protections were not in place when the neighbor's property was being renovated. This new policy, known as an Article 4 direction, allows councils to remove permitted development rights to prevent the unchecked spread of HMOs.
Because the conversion of the three-bedroom terrace began with building work in January 2024 , the Ormstons were unable to utilize these newer, stricter planning requirements. This regulatory lag leaves many established homeowners feeling powerless to prevent changes that impact their neighborhood's character and their own equity.
The mystery of the missing council consultation
Despite the legal conversion, several aspects of the process remain unverified and troubling for the local residents. David Ormston has raised concerns regarding why he did not receive a formal consultation or see any building control inspections during the six-month construction period that began in early 2024. It remains unclear whether the council's oversight failed to address these procedural concerns during the licensing process.
Furthermore, the condition of the neighboring garden has become a point of contention. Ormston claims the overgrown state of the property attracts unwelcome guests, including rats, foxes, and mice. Whether these environmental issues will lead to further complaints or formal council intervention remains an open question for the Sutton community.
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