

HMO drawings · London Borough of Lewisham
HMO drawings in Lewisham, from £945 fixed
Lewisham has needed planning permission for small HMOs across the whole borough since 19 January 2024. The council's page quotes draft policy HO8: the original house must have at least 130 square metres of internal floorspace, and extensions do not count. We measure the original house before drawing anything.
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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Send the postcode and what you want to build, and add photos or old plans if you have them. We reply with the fee in writing and the payment stages set out in full.

What Lewisham Council asks of a HMO conversion
From the council's Article 4 (1) directions on small HMOs (adopted 7 March 2020 (southern wards) and 19 January 2024 (rest of borough)).
- Two Article 4 directions cover the whole borough: the first, for Lewisham's southern wards on the old ward boundaries, has been in force since 7 March 2020, and the second, for the rest of the borough, since 19 January 2024. (source, checked 25 October 2026)
- The council's page quotes policy HO8 of the new Lewisham Local Plan (proposed submission version): permission for a new HMO is granted only where it does not lose housing suitable for families and does not cause a harmful overconcentration. (source, checked 25 October 2026)
- Under the same policy an HMO is permitted only where the gross original internal floorspace of the property is at least 130 square metres, and proposals cannot rely on rear or roof extensions to reach that figure. (source, checked 25 October 2026)
- Lewisham's additional HMO licensing scheme came into force on 5 April 2022 and covers three or four unrelated people sharing a kitchen, toilet or bathroom, three or more sharers in a purpose-built flat, and lodger arrangements with more than two tenants. (source, checked 25 October 2026)
What Lewisham HMO conversion drawings have to show
The 130 square metre test comes before any layout. We measure the house and draw the original building as it was before any extension, with its gross internal area calculated floor by floor, because the council's page says rear and roof extensions cannot count towards the figure. If the original house falls short, we tell you before you pay for proposed drawings.
Where the house clears the threshold, the application drawings show the proposed rooms, who shares which kitchen and bathroom, and how the layout keeps the house usable. Because HO8 also asks whether family housing is lost and whether HMOs are already concentrated nearby, the plans sit alongside a short statement on the street, which we draft from what the council publishes.
Lewisham: 578 householder decisions

What it costs in Lewisham
- HMO drawings: from £795 drawings + £150 survey (£945 total), plus £610 to Lewisham Council.
- Where a change of use application is required.
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Lewisham HMO conversion questions
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Tell us the postcode and what you want to build. We confirm the fee in writing and book the survey.