| 6 Alma Road Avenue Management Limited | Bristol | 1988 |
| 6 Alston Terrace Freehold Limited | Braunton | 2020 |
| 6 and 6A Minster Precincts Limited | Peterborough | 2017 |
| 6 and 6A Newland Freehold Limited | Witney | 2026 |
| 6 and 6A Parkhill Road Limited | London | 2010 |
| 6 and 6A Quadrant Road Management Company Ltd. | Thornton Heath | 2015 |
| 6 and 6A Westwood Court Management Limited | London | 2011 |
| 6 and 7 Boringdon Villas Plympton Limited | Plymouth | 1985 |
| 6 and 7 Bratton House Management Company Limited | Bratton Seymour | 2013 |
| 6 and 7 Dover Terrace Limited | Richmond Upon Thames | 2022 |
| 6 and 7 Wiggins Walk Limited | High Wycombe | 2021 |
| 6 and 8 Blenkin Close (Freehold) Limited | St. Albans | 2018 |
| 6 and 8 Freedom Street Freehold Limited | London | 2021 |
| 6 Archel Road Management Company Limited | London | 2026 |
| 6 Arlington Villas Management Company Limited | Cardiff | 2003 |
| 6 Arundel Gardens Property Management Limited | | 1986 |
| 6 Ashurst Gardens RTM Company Limited | | 2005 |
| 6 Ashwood Court Management Company Limited | Windsor | 1991 |
| 6 Atherfold Road - RTM Company Limited | London | 2018 |
| 6 Atrtm Ltd | Bognor Regis | 2014 |
| 6 Aubrey Road Management Company Limited | London | 1999 |
| 6 Auriol Road Freehold Limited | Norwich | 2015 |
| 6 Avenue Crescent Residents Limited | London | 2018 |
| 6 Barbican Terrace Management Company Limited | Devon | 2003 |
| 6 Barnpark Terrace RTM Company Limited | Torquay | 2020 |
| 6 Barnsbury Street (Islington) Limited | London | 2004 |
| 6 Barrett Street Management Limited | Romford | 2004 |
| 6 Bartholomew Villas Management Company Ltd | London | 2025 |
| 6 Bartholomew Villas RTM Company Limited | London | 2011 |
| 6 Beaconsfield Road Limited | Bromley | 2017 |
| 6 Beaconsfield Road Management Limited | Weston-Super-Mare | 2002 |
| 6 Beaufort Gardens Management Limited | United Kingdom | 1990 |
| 6 Bellefields Road Company Limited | London | 2019 |
| 6 Belsham Street RTM Company Limited | London | 2025 |
| 6 Belsize Crescent NW3 Ltd | Stanmore | 2025 |
| 6 Belsize Grove Limited | | 1987 |
| 6 Belvedere Road Management Company Limited | Bristol | 2014 |
| 6 Beulah Road (Tunbridge Wells) Limited | East Sussex | 1998 |
| 6 Beverley Road RTM Company Ltd | London | 2018 |
| 6 Birdhurst Rise Limited | South Croydon | 2014 |
| 6 Bolton Road Limited | London | 1999 |
| 6 Breakspears Road Limited | London | 2005 |
| 6 Brightman Road Management Limited | | 2005 |
| 6 Brondesbury Road Limited | London | 2001 |
| 6 Brunswick Hill RTM Company Limited | Reading | 2009 |
| 6 Brunswick Place (Hove) Limited | Hove | 1995 |
| 6 Brunswick Square Management Company Ltd | Gloucester | 2025 |
| 6 Brunswick Terrace Torquay Limited | Torquay | 2017 |
| 6 Bryanston Square Freehold Limited | Huddersfield | 2017 |
| 6 Buccleuch Road RTE (Freehold) Company Limited | Slough | 2005 |
| 6 Buchanan Gardens Limited | London | 2025 |
| 6 Buckingham Road Management Limited | Brighton | 1994 |
| 6 Bycullah Road RTM Company Limited | Harlow | 2017 |
| 6 Cadogan Road Limited | London | 2026 |
| 6 Cambridge Road Hove Limited | Brighton | 2015 |
| 6 Cambridge Road North (Freehold) Limited | London | 2012 |
| 6 Camden Square Limited | | 1984 |
| 6 Campbell Road Management Company Limited | Bournemouth | 2005 |
| 6 Campden Grove RTM Company Limited | Potters Bar | 2023 |
| 6 Campden Hill Gardens Limited | | 1995 |
| 6 Canterury Road RTM Company Limited | London | 2005 |
| 6 Cardigan Road Richmond (Freehold) Limited | Richmond | 2017 |
| 6 Cardozo Road Limited | London | 1988 |
| 6 Carlton Road Freehold Limited | Blandford Forum | 2017 |
| 6 Carlton Road Management Limited | | 1977 |
| 6 Carlton Road North Weymouth (2) Management Limited | Weymouth | 2006 |
| 6 Castlemain Avenue Management Company Limited | Poole | 2012 |
| 6 Cathnor Road Management Company Limited | London | 2014 |
| 6 Cavendish Grove Limited | Southampton | 2023 |
| 6 Cavendish Place Flat Maintenance Limited | Corsham | 1975 |
| 6 Cavendish Road N4 Ltd | London | 2023 |
| 6 Cedar Way (Bath) ,Management Company Limited | Bath | 2013 |
| 6 Charlotte Street Brighton Limited | Shoreham-By-Sea | 2015 |
| 6 Chatsworth Gardens Management Company Limited | Hove | 1999 |
| 6 Chertsey Road Freehold Ltd | Benfleet | 2016 |
| 6 Chichester Place (Brighton) Limited | Brighton | 2008 |
| 6 Chichester Terrace Brighton Limited | Brighton | 2005 |
| 6 Church Green Management Company Limited | Cheltenham | 2024 |
| 6 Churchill Road Freehold Ltd | Uxbridge | 2025 |
| 6 City View Management Company Limited | Bath | 2017 |
| 6 Claremont Street Management Limited | Bristol | 2001 |
| 6 Clarence Square Limited | Brighton | 2026 |
| 6 Clarendon Villas Hove Limited | Hove | 1992 |
| 6 Clement Avenue Management Limited | Gwynedd | 2004 |
| 6 Cleveland Place West Bath Limited | Bath | 1989 |
| 6 Clifton Gardens Limited | Royston | 1984 |
| 6 Clifton Hill Management Limited | Bristol | 1977 |
| 6 Cloudesley Square Freehold (2) Limited | London | 2002 |
| 6 Coleherne Road Ltd | Rye | 2004 |
| 6 College Road Limited | London | 2020 |
| 6 College Street Management Company Limited | Burnham-On-Sea | 1984 |
| 6 Collingwood Road, Redland, Bristol Management Company Limited | Birmingham | 1982 |
| 6 Colyton Road Freeholders Limited | London | 2018 |
| 6 Compayne Gardens Management Limited | | 2001 |
| 6 Connaught Road Ltd | Cardiff | 2018 |
| 6 Coppice Drive Management Company (Harrogate) Limited | Harrogate | 2001 |
| 6 Cornwall Gardens (Freehold) Company Limited | London | 1997 |
| 6 Cornwall Gardens Management Company Limited | London | 1984 |
| 6 Coronation Terrace Management Company Limited | Ilfracombe | 2007 |
| 6 Cotham Gardens Management Company Limited | Bristol | 1979 |