HMO drawings · London Borough of Hillingdon
HMO drawings in Hillingdon, from £945 fixed
On 26 February 2026 Hillingdon's Full Council confirmed a borough-wide Article 4 direction, so every new small HMO now needs planning permission, not just those near Brunel University. We draw to Policy DMH5: parking, waste, amenity space and concentration on the street.
Householder application fee, paid to your council at submission.
Plus the Planning Portal's own charge if the application goes through the Portal: up to £149 including VAT, depending on the application type, and some types have none (source).
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What Hillingdon Council asks of a HMO conversion
From the council's Proposed Article 4 Direction (Houses in Multiple Occupation), Council report; Council minutes item 56 (adopted made on the 27 November 2025 report; confirmed by Full Council on 26 February 2026).
- Hillingdon's report of 27 November 2025 recommended an immediate borough-wide Article 4 direction removing the permitted development right to change from a dwellinghouse (C3) to a small HMO (C4) for up to six residents, which makes every new small HMO conversion need planning permission. (source, checked 25 October 2026)
- Full Council resolved on 26 February 2026 (minute 56) that the borough-wide immediate Article 4 direction for C3 to C4 changes be confirmed. (source, checked 25 October 2026)
- The existing part-borough direction covering the former Brunel and Uxbridge South wards, introduced in 2013 because of student house conversions, is cancelled on the day the borough-wide direction comes into force. (source, checked 25 October 2026)
- The report estimates 2,537 HMOs in the borough, 8.7 per cent of private rented dwellings and 2.2 per cent of all dwellings, present in every ward, and says the direction is not an automatic ban because permission may still be granted. (source, checked 25 October 2026)
- New HMO applications are assessed against Policy DMH5 and other development plan policies, whose principles prevent over-concentration in an area and along a street, and require car parking, waste storage, retained amenity space and garages, and no harm to neighbours' amenity. (source, checked 25 October 2026)
What Hillingdon HMO conversion drawings have to show
The 2026 direction changes the order of work in Hillingdon: where an HMO was once a permitted change in most of the borough, it now needs a planning application with drawings that answer DMH5. The plans show the car parking spaces kept on the plot, the bin store, the garden left for the residents and any retained garage, because the report names each as a standard the application must meet.
We also count the nearby HMOs, since Policy DMH5 aims to prevent over-concentration in an area and along a street, and we draw the room layout with the rooms and shared facilities labelled, ready for any licensing application. If the HMO already exists, the report says a certificate of lawful use is the route, not a new application.
Hillingdon: 1,147 householder decisions
What it costs in Hillingdon
- HMO drawings: from £795 drawings + £150 survey (£945 total), plus £610 to Hillingdon Council.
- Where a change of use application is required.
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Hillingdon HMO conversion questions
Does Hillingdon now need planning permission for every small HMO?
Does the Hillingdon HMO direction affect existing HMOs?
What will Hillingdon test a new HMO application against?
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