| 18 Aynhoe Freehold Limited | Knutsford | 2025 |
| 18 Barons Court Road Freehold Limited | London | 2022 |
| 18 Bartholomew Villas RTM Company Ltd | Harlow | 2025 |
| 18 Bassein Park RD Limited | Leominster | 2014 |
| 18 Bath Street New Management Company Ltd | Abingdon | 2016 |
| 18 Battenhall RTM Company Limited | Worcester | 2014 |
| 18 Beaufort Road RTM Company Limited | Kingston Upon Thames | 2022 |
| 18 Bedford Road Horsham Limited | Horsham | 2017 |
| 18 Bedford Square Limited | Brighton | 2005 |
| 18 Beech Grove Management Limited | Harrogate | 1996 |
| 18 Belgrave Road Bristol Management Ltd | Bristol | 2002 |
| 18 Belsize Park Gardens Management Limited | Harrow | 1994 |
| 18 Belsize Square Freehold Limited | Watford | 2007 |
| 18 Belvedere Street Management Company Limited | Ryde | 2007 |
| 18 Beresford Road Freehold Limited | Bournemouth | 2019 |
| 18 Berkeley Road Ltd | Heathfield | 2019 |
| 18 Bina Gardens Limited | Torquay | 1994 |
| 18 Bishopsthorpe Road Limited | London | 2008 |
| 18 Bolton Road (Chiswick) Limited | London | 1997 |
| 18 Bournevale Road Limited | East Grinstead | 2006 |
| 18 BOW Street Management Company Limited | Crawley | 2011 |
| 18 Bowden Street Management Limited | Kennington | 2019 |
| 18 Brackley Road (Beckenham) Residents Association Limited | London | 1987 |
| 18 Bramber Properties Limited | London | 2014 |
| 18 Bramerton Street Freehold Limited | London | 2026 |
| 18 Breakspears Road Ltd. | Orpington | 2002 |
| 18 Brechin Place Limited | New Milton | 1975 |
| 18 Brecknock Freehold Limited | London | 2023 |
| 18 Brecknock Road RTM Company Limited | London | 2022 |
| 18 Brockley Park Forest Hill Limited | Beckenham | 2015 |
| 18 Brook Street (Freehold) Ltd | Radstock | 2018 |
| 18 Brookview Road RTM Company Limited | London | 2024 |
| 18 Brunswick Place Hove Limited | Brighton | 2005 |
| 18 Buckingham Road (Brighton) Limited | East Sussex | 2001 |
| 18 Buxton Road Management Limited | Dorchester | 2020 |
| 18 Cadogan Place Limited | London | 2005 |
| 18 Caledonia Place (Management) Limited | Bristol | 1997 |
| 18 Calthorpe Road, Banbury Limited | | 1987 |
| 18 Cambalt Road Management Limited | London | 2001 |
| 18 Cambridge Road (Bromley) Management Ltd | Bromley | 2025 |
| 18 Cambridge Road Hove Right to Manage Company Limited | Brighton | 2011 |
| 18 Cambridge Street Management Company Limited | Leeds | 2006 |
| 18 Camden Crescent (Bath) Limited | London | 1991 |
| 18 Campden Hill Gardens Freehold Limited | London | 2019 |
| 18 Campden Road Management Limited | South Croydon | 1993 |
| 18 Cardigan Road Management Ltd | Richmond | 2015 |
| 18 Carisbrooke Road RTM Company Limited | Harlow | 2008 |
| 18 Caroline Road Limited | Llandudno | 2017 |
| 18 Castlebar Road W5 2DP- RTM Company Ltd | London | 2025 |
| 18 Cathedral Yard Management Company Limited | Honiton | 2017 |
| 18 Catherine Place (Bath) Limited | Croydon | 1980 |
| 18 Cavendish Road (Southsea) RTM Company Limited | Croydon | 2013 |
| 18 Cavendish Road Freehold Limited | Bournemouth | 2000 |
| 18 Cavendish Road Limited | London | 2022 |
| 18 Cedars Road Residents Company Limited | Hampton Wick | 2003 |
| 18 Champion Crescent SE26 Limited | London | 2023 |
| 18 Charleville Road Limited | London | 2004 |
| 18 Chesham Place Limited | Worthing | 2001 |
| 18 Chesham Road Ltd. | East Sussex | 1991 |
| 18 Chesterford Gardens Limited | London | 2007 |
| 18 Cheverton Road Limited | London | 2010 |
| 18 Circus (Management) Bath Limited | Bristol | 1993 |
| 18 Clairview Road Limited | | 1989 |
| 18 Clarence Square Brighton Limited | Brighton | 2006 |
| 18 Clarence Square Cheltenham Management Company Ltd | Cheltenham | 2022 |
| 18 Clarendon Gardens Limited | London | 1984 |
| 18 Clarendon Rise (Management) Ltd | London | 2022 |
| 18 Clifton Street (Brighton) Management Company Limited | Brighton | 2015 |
| 18 Colville Road Limited | Shrewsbury | 2017 |
| 18 Comeragh Road Limited | London | 2004 |
| 18 Cornwall Gardens SW7 Management Company Limited | London | 1993 |
| 18 Cornwallis Crescent Management Company Limited | Bristol | 1994 |
| 18 Cossington Road RTM Company Limited | Westcliff-On-Sea | 2016 |
| 18 Courtenay Road Management Committee Limited | Liverpool | 1995 |
| 18 Creffield Road London W5 Management Limited | London | 2014 |
| 18 Creighton Road Freehold Limited | Devizes | 2010 |
| 18 Cumberland Park Management Limited | London | 2010 |
| 18 Dane Road (Freehold) Limited | St. Leonards-On-Sea | 2022 |
| 18 Delaford Street Limited | London | 2012 |
| 18 Dene Road Guildford Limited | Guildford | 1995 |
| 18 Denning Road Management Company Limited | London | 2026 |
| 18 Denver Road Management Co. Limited | | 1990 |
| 18 Denzil Road Residents Limited | Willesden | 2016 |
| 18 Devonshire Road Residents Association Limited | Hastings | 2002 |
| 18 Dingwall Gardens Limited | London | 2024 |
| 18 Donovan Avenue Limited | London | 2019 |
| 18 Dorset Square Flat Management Company Limited | | 2006 |
| 18 Downleaze Management Company Limited | Bristol | 2021 |
| 18 Downside Crescent Limited | London | 2018 |
| 18 Dudley Road Limited | Tunbridge Wells | 2006 |
| 18 Dulwich Road SE24 Limited | London | 2007 |
| 18 Duncan Terrace RTM Company Limited | London | 2005 |
| 18 Dundalk Road Management Company Limited | London | 2013 |
| 18 Eagle Road Freehold Ltd. | London | 2019 |
| 18 Earls Court Square Limited | | 2003 |
| 18 East Heath Road Management Company Limited | London | 1986 |
| 18 East Street Weymouth Management Limited | Portland | 2005 |
| 18 Eastfield Road Management Company Limited | Bristol | 2008 |
| 18 Eaton Place (Brighton) RTM Company Limited | London | 2007 |
| 18 Eaton Place Freehold Limited | Andover | 2008 |