Business Details
50+ Years
experience
Expert Construction Services in Sidcup, Kent
Established in 1963, Knapman & Sons Builders have built a reputation as a high-quality construction contractor serving commercial, public, and private sectors. Our expertise spans property maintenance, refurbishment, new builds, and adaptation projects, delivered through rigorous project management and direct oversight of trained teams. We specialise in government and commercial projects across London, the South East, and the Home Counties, maintaining ISO 9002 quality standards and affiliations with EXOR and Constructionline. Our commitment to quality craftsmanship is reflected in our direct management approach, ensuring seamless communication from office personnel to site supervisors.We prioritise stress-free collaboration with housing associations, local authorities, and partners, minimising disruption while achieving value for money. Our mechanical and electrical services are delivered through Gas Safe and NICEIC-approved contractors, and we hold CHAS accreditation for health and safety excellence. With decades of experience, we combine technical expertise with a client-centric ethos, ensuring projects are completed on time, within budget, and to the highest standards.
Services
Property Maintenance
Refurbishment
New Builds
Adaptation Projects
Mechanical & Electrical Services
Principal Contracting
Listed Building Renovation
Special Needs Adaptations
Details
- Year established: 1963
Highlights and features
- We have over 60 years of experience in construction and property services.
- Our ISO 9002 certification ensures consistent quality standards.
- We directly manage trained teams for seamless project execution.
- We collaborate with local authorities and housing associations to minimise disruption.
- Our CHAS accreditation demonstrates health and safety excellence.
Associations and certifications
- ISO 9002
- CHAS
- EXOR
- Constructionline
Services
Property Maintenance
We provide cyclical and planned maintenance contracts, ensuring properties are preserved to high standards. Our team oversees all operations, delivering hassle-free solutions for commercial and residential clients. With direct management oversight, we guarantee timely completion and long-term property integrity.
Refurbishment
Specialising in occupied building refurbishments, we prioritise liaison with stakeholders to minimise disruption. Our expertise includes listed and period property renovations, preserving historical integrity while meeting modern requirements. Direct communication between office and site teams ensures seamless execution.
New Builds
From initial design to completion, we deliver new build projects with precision and efficiency. Our end-to-end management covers all trades, ensuring compliance with specifications and budgets. With decades of experience, we cater to commercial, residential, and public sector requirements across London and the South East.
Special Needs Adaptations
We modify homes for the elderly and disabled in partnership with local authorities and occupational therapists. Our adaptations enhance comfort and accessibility, incorporating specialist fittings and layouts. Approved by local councils, our work meets stringent safety and usability standards.
Principal Contracting
As principal contractors, we coordinate all project aspects, ensuring compliance with health and safety regulations. Our team manages subcontractors, develops safety plans, and maintains transparent communication. This approach guarantees efficient delivery and adherence to client specifications.
People
Terry Knapman
Director
With decades of leadership experience, Terry Knapman oversees strategic operations and client relationships. His expertise ensures the company maintains its reputation for quality and reliability in construction projects across the South East.
Nick Ide
Quantity Surveyor
Nick Ide manages cost control and financial planning for projects, ensuring budget adherence without compromising quality. His analytical approach supports efficient resource allocation and client value across diverse construction contracts.
Gary Carman
Site Manager
Gary Carman supervises on-site operations, ensuring compliance with safety standards and project timelines. His hands-on management of skilled operatives guarantees the delivery of high-quality construction outcomes in London and surrounding regions.
Emma Knapman
Office Manager
Emma Knapman coordinates administrative operations, ensuring seamless communication between clients and project teams. Her organisational skills support the efficient execution of contracts and maintenance agreements across multiple sectors.
Ian Kench
Project Manager
Ian Kench leads project delivery, balancing client requirements with operational excellence. His expertise in managing complex builds and refurbishments contributes to the company's reputation for timely, budget-conscious solutions.
Questions
What areas do you serve?
We operate across London, the South East, and the Home Counties, specialising in government, commercial, and residential construction projects.
Are you accredited for health and safety?
Yes, we hold CHAS accreditation and implement rigorous health and safety protocols across all projects.
Do you handle listed building renovations?
Yes, we specialise in preserving historical properties while meeting modern functional requirements.
Can you manage large-scale maintenance contracts?
We provide cyclical maintenance solutions with direct oversight to ensure property integrity and client satisfaction.
Are you approved for local authority projects?
Yes, we are approved contractors for special needs adaptations and collaborate with councils across London and the South East.