| 3 Eatonville Road Limited | London | 2016 |
| 3 Edge Hill RTM Company Limited | London | 2021 |
| 3 Egerton Place Limited | London | 2004 |
| 3 Eglantine Road Limited | London | 2010 |
| 3 Eliot Hill Management Company Limited | London | 1996 |
| 3 ELM Grove Management Company Limited | Hayling Island | 2019 |
| 3 ELM Grove Road (Salisbury) RTM Company Limited | Salisbury | 2013 |
| 3 Elmbourne Freehold Limited | London | 2017 |
| 3 Elmstead Road Management Company Limited | Bexhill-On-Sea | 2007 |
| 3 Elsenham Street Residents Association Ltd | London | 2015 |
| 3 EPR Ltd | London | 2023 |
| 3 Esmond Road Management Company Ltd | Stroud | 2013 |
| 3 Essendine Road Limited | London | 2006 |
| 3 Ethelbert Crescent (Margate) RTM Company Limited | Haslemere | 2022 |
| 3 Eyot Gardens Limited | London | 2022 |
| 3 Finborough Road Management Limited | London | 1998 |
| 3 First Avenue Hove Limited | Hove | 1992 |
| 3 Flats and a Basement Limited | | 1996 |
| 3 Florence Road Limited | Brighton | 1998 |
| 3 Fordingley Road Residents Limited | Maida Vale | 2016 |
| 3 Gascoyne Place RTM Company Limited | Plymouth | 2012 |
| 3 Gateforth Street Freehold Limited | London | 2024 |
| 3 Gates Management Company Limited | Conwy | 2012 |
| 3 George Street Ltd | Ashton-Under-Lyne | 2022 |
| 3 Gladstone Road Whitstable Ltd | Whitstable | 2019 |
| 3 Gladstone Terrace Management Company Limited | East Yorkshire | 2007 |
| 3 Glendower Place RTM Company Ltd | London | 2025 |
| 3 Glenluce Road Management Company Limited | London | 2009 |
| 3 Gloucester Drive RTM Company Limited | Harlow | 2018 |
| 3 Gloucester Place (Cheltenham) Management Limited | Cheltenham | 2005 |
| 3 Gloucester ROW Management Company Limited | Bristol | 1986 |
| 3 GMS Freehold Company Limited | London | 2015 |
| 3 Godwin Road RTM Limited | London | 2009 |
| 3 Goldsmid Road (Hove) Limited | Southwick | 2016 |
| 3 Gordon Place Limited | | 1995 |
| 3 Gordon Road (Residents Association) Limited | London | 1976 |
| 3 Graham Road (Worthing) Limited | Worthing | 2017 |
| 3 Granville Road Management Company Limited | Newcastle Upon Tyne | 1987 |
| 3 Greenbrook Terrace RTM Company Limited | Wadhurst | 2022 |
| 3 Greenway Road Bristol Limited | Bristol | 1987 |
| 3 Greville Road Limited | London | 1998 |
| 3 Grimston Avenue Limited | Kent | 2006 |
| 3 Grosvenor Place (Exeter) Limited | Exeter | 1992 |
| 3 Grove Parade Flats Management Limited | Buxton | 2000 |
| 3 Grove Park Road Management Company Limited | Buxton | 2014 |
| 3 Grove Road (Freehold) Limited | Brentford | 2025 |
| 3 Hailsham Road Limited | London | 2021 |
| 3 Haldon Road Management Company Limited | Dorchester | 2007 |
| 3 Hallville RD Management Company Ltd | Liverpool | 2018 |
| 3 Hampton Park Redland Bristol Management Limited | Bristol | 1984 |
| 3 Harvey Road Limited | London | 2011 |
| 3 Hastings Road Brighton Limited | East Sussex | 2006 |
| 3 Haven Green Management Company Limited | | 1986 |
| 3 Hengist Road Freehold Limited | Bournemouth | 2002 |
| 3 Henleaze Road Management Company Limited | Bristol | 1981 |
| 3 Henshelwood Terrace Limited | Newcastle Upon Tyne | 2000 |
| 3 Hetley Road Management Ltd | | 2002 |
| 3 Hinckley Road (Freehold) Limited | | 2006 |
| 3 Hollins Road Management Limited | Harrogate | 2021 |
| 3 Holmes Road Management Company Limited | Twickenham | 2025 |
| 3 Honestone Street (Bideford) Management Company Limited | Bideford | 2006 |
| 3 HP Management Limited | Tunbridge Wells | 2021 |
| 3 Hurricane Drive Limited | Liverpool | 2022 |
| 3 Hyde Park Place Limited | London | 1994 |
| 3 Island Crescent Management Company Limited | Sutton Coldfield | 2014 |
| 3 Jackson's Lane (Management Company) Limited | London | 1998 |
| 3 Jerningham Road Management Company Limited | | 1998 |
| 3 Josephine Avenue Management Company Limited | Uxbridge | 2014 |
| 3 Kenilworth Road Freeholders Ltd | London | 2021 |
| 3 Kensington Place Bath Ltd | Bath | 2021 |
| 3 Killick Street RTM Company Ltd | Hertford | 2018 |
| 3 Killyon Road Limited | | 2002 |
| 3 Kings Gardens (Hove) Limited | Shoreham-By-Sea | 2006 |
| 3 Kings Road Westcliff Essex RTM Company Limited | Southend-On-Sea | 2004 |
| 3 Lambourn Road S W 4 Management Limited | London | 1998 |
| 3 Langtry Road Freehold Limited | London | 2019 |
| 3 Lansdown Crescent Limited | Croydon | 1995 |
| 3 Lansdown Place West (Bath) Limited | Bath | 1982 |
| 3 Lansdown Terrace Bath Limited | Bath | 1980 |
| 3 Lansdowne Place (Hove) Limited | Hove | 2002 |
| 3 Lansdowne Road Freehold Ltd | London | 2025 |
| 3 Lansdowne Road RTM Company Limited | London | 2016 |
| 3 Leathwaite Road Limited | Leigh-On-Sea | 1986 |
| 3 Lebanon Park Mansions (Freehold) Limited | Twickenham | 2024 |
| 3 Lebanon Road RTM Company Limited | London | 2025 |
| 3 Leeland Terrace Residents Management Limited | London | 2021 |
| 3 Leinster Square Limited | London | 2014 |
| 3 Lewes Crescent (Brighton) Limited | Southwick | 2004 |
| 3 Lewes Road Residents Limited | Seaford | 1991 |
| 3 Limeharbour and Roffey ST RTM Company Limited | London | 2016 |
| 3 Links Property Solution Limited | Droitwich | 2018 |
| 3 Longlands Management Company Limited | Dawlish | 1997 |
| 3 Louisville Road Ltd | London | 2007 |
| 3 Lower Church Street Bath (Management) Limited | Croydon | 1985 |
| 3 Lyndhurst Road (1990) Limited | Hampstead | 1990 |
| 3 Lyndhurst Terrace Limited | Watford | 1999 |
| 3 Mabley Street (Freehold) Limited | Homerton | 2024 |
| 3 Macroom Road Management Limited | London | 1986 |
| 3 Madeira Road Ventnor Limited | Ventnor | 2014 |
| 3 Manilla Road Management Company Limited | Bristol | 2004 |