| 42 & 42A Ferndale Road RTM Company Limited | London | 2015 |
| 42 Addison Gardens Management Limited | | 1985 |
| 42 Albert Road RTM Company Limited | Worcester | 2020 |
| 42 Albion Road RTM Company Ltd | Westcliff-On-Sea | 2013 |
| 42 Alkham Road Flat Management Limited | London | 2004 |
| 42 Altenburg Gardens Management Company Limited | London | 1997 |
| 42 Amwell Street Freehold Limited | Norwich | 2010 |
| 42 and 43 Cornwall Gardens Management Limited | London | 1986 |
| 42 and 44 Lancaster Road Management Company Limited | Hatfield | 2014 |
| 42 and 44 the Green (Warlingham) Management Company Limited | Orpington | 2022 |
| 42 Anson Road (Freehold) Company Limited | Surbiton | 2021 |
| 42 Arley Hill Management Company Limited | Bristol | 1992 |
| 42 Arlington Road Residents Company Limited | Eastbourne | 2006 |
| 42 Athelstan Road RTM Company Limited | London | 2006 |
| 42 Athenaeum Road Limited | London | 2010 |
| 42 Atwood Road Management Company Limited | Manchester | 2001 |
| 42 Auckland Road Management Limited | London | 2018 |
| 42 Bancroft Management Company Limited | Stevenage | 2009 |
| 42 Barclay Road Limited | London | 2013 |
| 42 Bcde (Watlington) Management Company Limited | Witney | 2025 |
| 42 Belvoir Road Limited | Bristol | 2018 |
| 42 Bensham Lane RTM Company Ltd | Bromley | 2018 |
| 42 Berkeley Road Management Limited | | 2000 |
| 42 Bishopthorpe Road Management Company Limited | Bristol | 1986 |
| 42 Blenheim Crescent Limited | London | 2004 |
| 42 Blenheim Gardens Management Limited | London | 2011 |
| 42 Bloomfield Park Bath (Management) Limited | Bath | 1988 |
| 42 Bouverie Road Management Ltd | Milton Keynes | 1998 |
| 42 BPG Limited | Watford | 2004 |
| 42 Broadwater Down Residents Company Limited | Tunbridge Wells | 1994 |
| 42 Broxash Road Limited | London | 2008 |
| 42 Brunswick Gardens Limited | London | 2003 |
| 42 Brunswick Square RTM Limited | Hove | 2009 |
| 42 Buckingham Road Company Limited | Brighton | 2007 |
| 42 Canfield Gardens (Freehold) Limited | London | 2017 |
| 42 Castelnau RTM Company Limited | Barnes | 2014 |
| 42 Castle Hill Avenue RTM Company Ltd | London | 2022 |
| 42 Cecile Park Freehold Limited | | 1999 |
| 42 Champion Hill Management Company Limited | London | 1990 |
| 42 Chertsey Road Management Company Limited | Ashford | 1982 |
| 42 Chesterton Road Limited | London | 1991 |
| 42 Chestnut Road Management Limited | London | 1992 |
| 42 Chilton Road Limited | Surrey | 2005 |
| 42 Chingford Avenue RTM Company Limited | Loughton | 2018 |
| 42 Chobham Road RTM Company Limited | London | 2013 |
| 42 Christchurch Avenue Management Company Limited | London | 1999 |
| 42 Church Lane Limited | London | 2012 |
| 42 Church Road (ST Leonards on Sea) Limited | St. Leonards-On-Sea | 2024 |
| 42 Churchill Road Freehold Limited | Edgware | 2011 |
| 42 Clanricarde Gardens Management Company Limited | London | 2003 |
| 42 Claremont Road Management Company Limited | | 2002 |
| 42 Clifton Gardens Limited | London | 2010 |
| 42 Clifton Road Management Company Limited | Exeter | 1990 |
| 42 Cloudesley Road (Freehold) Limited | London | 2026 |
| 42 Colney Hatch Lane Limited | London | 2017 |
| 42 Coptfold Road Limited | Brentwood | 2010 |
| 42 Croxteth Road Tenants Management Company Limited | Southport | 2013 |
| 42 Decima Street RTM Company Limited | Hertford | 2011 |
| 42 Duncombe Drive Limited | Dunstable | 2019 |
| 42 Durdham Park Management Company Limited | Bristol | 1981 |
| 42 Dyke Road Brighton (Management) Limited | Brighton | 2001 |
| 42 Eardley Road Limited | London | 2018 |
| 42 Elderfield Road Management Company Limited | London | 1996 |
| 42 Elmbourne Manor Limited | Colchester | 2007 |
| 42 Emma Place Management Limited | Tavistock | 1991 |
| 42 Endymion Road Management Limited | London | 1997 |
| 42 Ennismore Gardens Management Company Limited | London | 1962 |
| 42 EP Management Limited | London | 1999 |
| 42 Eton Avenue RTM Company Limited | Redditch | 2018 |
| 42 Fentiman Road Freehold Limited | London | 2016 |
| 42 Ferme Park Road (Management) 1989 Limited | | 1989 |
| 42 Fieldhouse Road Management Company Limited | London | 1998 |
| 42 Finborough Road Freehold Limited | | 2000 |
| 42 Forest Drive West Limited | Woodford Green | 2018 |
| 42 Francis Road Limited | Leyton | 2024 |
| 42 Furlong Road Residents Company Limited | Bourne End | 2008 |
| 42 Gabriel Street Ltd | London | 2007 |
| 42 Gayton Road Management Limited | London | 2005 |
| 42 Gore Road Management Ltd | London | 2012 |
| 42 Great Pulteney Street Bath Management Company Limited | Bristol | 1986 |
| 42 Hackford Road Limited | | 2000 |
| 42 Haggard Road Freehold Limited | Greater London | 2022 |
| 42 Haldon Road (Exeter) Management Company Limited | Twickenham | 2023 |
| 42 Halford Road RTM Company Limited | London | 2019 |
| 42 Hampton Park Redland Management Limited | Shepton Mallet | 1988 |
| 42 Hampton Road Management Limited | Coleford | 1984 |
| 42 Heath Terrace Management Limited | Leamington Spa | 2000 |
| 42 Heyford Avenue Limited | London | 2015 |
| 42 High Street Ltd | Barnsley | 2025 |
| 42 Hillfield Avenue Flat Owners Limited | London | 2012 |
| 42 JDS Property Management Limited | London | 2024 |
| 42 Kensington Gardens Square Limited | London | 1990 |
| 42 Kingsfield Road Limited | Watford | 1992 |
| 42 Kingsley Road Limited | London | 1997 |
| 42 Ladbroke Grove Limited | London | 1986 |
| 42 Lambolle Road Management Limited | London | 2012 |
| 42 Lansdown Crescent Management Ltd | Cheltenham | 2007 |
| 42 Lansdowne Road Management Company Limited | Croydon | 2012 |
| 42 Leander Road Limited | Rayleigh | 2025 |
| 42 Lennox Street Management Limited | Weymouth | 2002 |