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TCM Building & Maintenance
TCM Building — house extension under construction in London

Building Work You Can
Actually Rely On.

TCM Building & Maintenance is based in Borehamwood, Hertfordshire. We offer building and construction-related work, including extensions, conversions, refurbishment, maintenance and commercial fit-outs. TCM delivers building projects directly and, where appropriate, coordinates specialist contractors and professional disciplines required for the work.

The TCM Building team on site in London

Building Work
Planned With Care.

TCM Building & Maintenance is based in Borehamwood, Hertfordshire. Project scope, geographic coverage, specialist responsibilities and current contact routes remain specific to the individual requirement.

TCM can manage the complete building project and coordinate the specialist trades and professional disciplines required. The work scope, responsibilities and change process should be agreed before work begins.

Why Choose TCM

Loft Conversions That
Transform Your Home

A loft conversion can create additional accommodation within the existing roof space. The suitable approach depends on the roof structure, access, planning position, Building Regulations and the specialist input required.

Dormer Conversions
A roof-extension option whose suitability depends on the existing roof, planning context and design
Mansard Conversions
Ideal for terraced houses
Hip-to-Gable
Perfect for semi-detached
Velux Conversions
Budget-friendly option
Explore Loft Conversions
Beautiful loft conversion interior with Velux skylights
Modern commercial office fit-out by TCM Building

Project Enquiry
Route Status

Online form delivery is currently unavailable. Please contact TCM by telephone or email. The fields are retained for layout continuity but do not transmit an enquiry.

  • Project requirements recorded
  • Scope discussed before work is arranged
  • Specialist requirements identified where needed

Online form delivery is currently unavailable. Please contact TCM by telephone or email. Do not rely on this form to send project information.

Urgent Property Repair Enquiries

For urgent building and property repair enquiries, availability depends on the issue, location and contractor availability. Immediate danger involving fire, gas, electricity or serious structural risk should be referred to the appropriate emergency authority or competent specialist first.