HMO Conversions Uxbridge

HMO conversion in Uxbridge means turning a family house into a shared house, or upgrading an existing HMO to meet its licence. The rules changed recently: anywhere in Hillingdon, a house that will be shared by 3 or more unrelated people now needs planning permission first. Licensing covers large and small shared houses across the borough. We build the fire protection, kitchens, bathrooms and room layouts to the planning consent and the licence conditions the landlord has secured.

In Uxbridge, a light HMO conversion for four to six tenants typically costs £40,000 to £75,000 in construction, or £90,000 to £150,000 with an en-suite to every bedroom (indicative London ranges, Mayfair Studio and LetCompliance, 2026). GS Renovation Ltd, a building contractor based in Potters Bar, does the work in Uxbridge: we build the fire doors, detection, bathrooms and kitchens to the council's HMO standards, the landlord applies for the licence, and a registered electrician certifies the electrics.

Planning an HMO in Uxbridge after the borough-wide Article 4 Direction

A shared house conversion in Uxbridge now starts with a planning application. Class L of the national rules normally lets a house change to a small HMO without permission, but it never allows one house to become two or more separate C4 HMOs. Hillingdon decided at its Full Council Meeting on 27 November 2025 to bring in a borough-wide Article 4 Direction removing that right for 3 or more unrelated sharers, and the direction was introduced in December.

Size sets the planning category. In the London Plan glossary a shared house for three to six people sits in Use Class C4, while one for more than six is Sui Generis. The larger kind needs planning permission in its own right, and in Uxbridge it must satisfy Hillingdon Policy DMH 5, which expects it to be well placed for local amenities and public transport and to offer satisfactory living conditions. The London Plan also says HMOs of a reasonable standard should generally be protected, so an upgrade of an existing shared house is a different case from a new one.

Housing in Uxbridge

Uxbridge counts roughly 12,630 homes for Council Tax; 12% are older than 1919, 17% interwar and 71% post-war, with 47% flats and 53% houses.

Which Hillingdon licence covers an Uxbridge shared house

Licensing runs alongside planning. A house let to 5 or more people forming more than 1 household is a large HMO and falls under Hillingdon's mandatory licensing, unless it is a flat in a purpose-built block of three or more flats. The boroughwide additional HMO licensing scheme picks up smaller shared houses where fewer than five people from two or more households live. The deadline for additional licence applications was Sunday 23 August 2026, and the council could enforce from Monday 24 August 2026. Close to Brunel University London, check which scheme a shared let falls under, because the layout we build in Uxbridge must meet the licence conditions.

The additional scheme is new. The decision came from Hillingdon's Cabinet on Thursday 19 February 2026, following a 10-week public consultation, and each licence lasts five years. So an existing Uxbridge shared house with three or four tenants that never needed a licence may now need one, and its fire detection, kitchen and bathroom provision will be inspected against the council's standards. The landlord applies for the licence. We carry out the upgrade works the licence conditions call for.

Room sizes, kitchens and bathrooms in an Uxbridge HMO

Bedroom sizes in a licensed HMO are fixed by the national licence minimums in England: 6.51 square metres for one adult, 10.22 for two, and no room under 4.64 used for sleeping. Hillingdon adds its own measuring rule, leaving out any floor that sits under a ceiling lower than 1.53m, as happens in an attic room. In an Uxbridge house with a converted roof space, a bedroom that looks large can fall short once the low edges are left out.

Shared rooms have their own figures. Hillingdon's HMO standards set a shared living room of 10m2 or more, and one bathroom containing a fixed bath or shower for each group of 5 occupiers. Each set of kitchen facilities needs 1500 x 600 mm of fixed, impervious worktop per 5 people using it. A kitchen placed inside another room adds a further 3.7m2 to that room. We draw the Uxbridge layout against these before any stud wall goes up.

Fire safety, ventilation and energy in an Uxbridge HMO

Fire safety carries more of the build than anything else in a shared house. Each bedroom opens onto an escape route that has to be protected. Bedroom and kitchen doors therefore become self-closing fire doors, the stair enclosure is lined to the required resistance, and an interlinked detection and alarm system covers the rooms and the escape route. The LACORS housing fire safety guidance is the recognised guide for this in an Uxbridge HMO, alongside Part B and the council's standards.

Ventilation and energy follow. Hillingdon's HMO standards set extract fans on humidistat control, rated to 60 l/s or more in kitchens and 15 l/s in bathrooms, and we duct them during first fix. Sound insulation between bedrooms and between floors reduces complaints between tenants. And a shared house is still let property: GOV.UK says MEES Regulations bar letting, or continuing to let, below an EPC rating of E without a valid exemption, so insulation and heating upgrades belong in an Uxbridge HMO conversion from the start.

• Extra shared bathrooms and shower rooms
• Existing HMOs upgraded to meet their licence conditions
• Thumb-turn bedroom locks that open from inside without a key

VOA Council Tax stock of properties, March 2025, for Uxbridge Common & Swakeleys, Uxbridge Central & Brunel and Uxbridge West. Counts rounded by the VOA.

Two or three things usually come up alongside hmo conversions on an Uxbridge job: bathroom renovation in Uxbridge, hmo conversions across Hillingdon, bathroom fitting in London, kitchen fitting in London, hmo conversions across London and Small Bathroom Ideas.

The GS Renovation Difference in Uxbridge

An HMO conversion in Uxbridge is judged twice, once by planning and again by the licensing officer, so the build has to match both sets of papers. GS Renovation builds from the approved drawings and the licence conditions the landlord has secured, taking the house from strip out to finished, fire protected shared rooms under one programme. Our founder and director, Abdelaaziz Saaid, has more than three decades of hands-on building. A registered electrician certifies the alarm and wiring, and a registered gas engineer handles the heating.

• Sound lining between bedrooms so one sharer does not keep another awake
• Building control applications and inspections coordinated for you
• Every bedroom measured against the national minimum room sizes

Checked by Abdelaaziz Saaid, founder and director of GS Renovation Ltd (Companies House no. 14611254).