Residential • Commercial • Bespoke Services

From Planning to Aftercare

HMO Conversions

HMO Conversions — London

Houses of Multiple Occupation require specific fire safety, sound insulation, and ventilation standards. rcbGroup delivers compliant HMO conversions across Greater London — coordinating the full scope of works from structural changes through fire alarm and emergency lighting commissioning.

£40K+
Typical 4-to-6 room HMO
10–16wks
Typical programme
All London
Boroughs covered
Refurbished bedroom with herringbone oak floor and wall lights — rcbGroup projectrcbGroup project

Scope of Works

  • ✓Fire compartmentation (FD30/FD60 fire doors and frames)
  • ✓Inter-tenancy wall construction (acoustic and fire rated)
  • ✓Grade D2 fire alarm and detection system
  • ✓Emergency lighting installation
  • ✓Sound insulation between rooms (Part E compliance)
  • ✓Ventilation to each habitable room (Part F compliance)
  • ✓Ensuite and shared bathroom installation
  • ✓Kitchen installation (shared facilities or individual kitchenettes)
  • ✓Electrical distribution — separate circuits per room
  • ✓Intruder alarm and communal door entry system
  • ✓Building Control full plans submission and inspection
  • ✓HMO licence compliance check — we review the local authority schedule before works begin

HMO Compliance

HMO licensing requirements vary by borough. Before any works begin, rcbGroup reviews the local authority's HMO licence conditions and minimum room sizes to ensure the conversion plan meets requirements.

All HMO works require Building Regulations approval — typically via Full Plans submission to allow a detailed compliance check before works commence.

Standard Exclusions

  • —Second-fix materials (sanitaryware, tiles, kitchen units, flooring) — client-supplied
  • —HMO licence application fee — council fee paid by client
  • —Architect or designer fees (where required)

Get an HMO Conversion Estimate

Rough budget range before your site visit.

Ballpark only. An itemised quotation follows a site survey.

Quick Estimate

Adjust the options to get a quick ballpark — not a quote, but a useful starting point.

Want more detail? Try the full cost calculator →

Independently reviewed

Read what clients say — in full, with our replies — on Checkatrade and Google.

Discuss Your HMO Project

Tell us about your property and intended room count. We'll advise on licensing requirements, scope, and programme.

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