The Heritage Sash Window Company
- Draught proofing and renovation for timber windows and Doors. Guide to services and contact information.
- http://www.heritagesash.net/index2.htm

City Lofts
- Photographs of recent projects and contact details.
- http://www.citylofts.org

Fairway Developments Ltd
- Building contractors with illustrated details of residential and commercial construction projects.
- http://web.onetel.net.uk/~mkart/

Herts Demolition and Site Clearance, Enfield
- Describes services and offers sales of reclaimed slates, bricks, timber, hardcore and doors.
- http://www.hertsdemolition.co.uk/

N.London Construction Co Ltd
- Building contractor with list of services, illustrated portfolio, references, planning questions, links and diggers for hire.
- http://www.nlondonconstruction.co.uk/

Phase4 Developments
- Restoring buildings of special architectural interest, with information and photographs of recent developments and an appeal for future sites.
- http://www.phase4.co.uk/