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Business Details
25 Years
experience
Trusted Construction Contractors in Surrey
PJM Builders, established in 2001, is a reputable construction company serving Surrey, Sussex, and surrounding areas. Led by Peter Mariner, a fully qualified electrician with over two decades of experience, we specialise in delivering high-quality building services for both domestic and commercial clients. Our expertise spans extensions, loft conversions, plumbing, electrical work, and new builds, with a strong focus on minimising disruption while maintaining exceptional standards. Trusted by existing clients for over 10 years, we prioritise punctuality, transparent communication, and competitive pricing.

Our commitment to excellence is reflected in the majority of our work coming from repeat clients who value our reliability and attention to detail. We ensure all projects, from routine maintenance to large-scale renovations, are completed on time and to the highest finish. Backed by membership in accredited trade bodies, PJM combines technical proficiency with a client-centric approach to build lasting trust and satisfaction.
Services
Extensions Garages Plumbing Electrics Loft Conversions Roofing Kitchen Renovations Bathroom Installations Solar Panels Decking
Details
  • Year established: 2001
Highlights and features
  • We provide the full spectrum of building services
  • Our prices are competitive and transparent
  • We strive to arrive punctually and communicate delays
  • We minimise mess and disruption during projects
  • We operate across Surrey, Sussex, and surrounding areas
What people say
High standard finish Competitive rates Honesty and trustworthiness Excellent communication Highly professional
Services
Extensions
We design and build custom extensions to maximise your property's space and value. Our team ensures seamless integration with existing structures while adhering to strict quality standards. Clients benefit from tailored solutions that enhance functionality and aesthetics.
Electrics
As qualified electricians, we handle installations, rewiring, and repairs for domestic and commercial properties. Our expertise ensures safe, compliant systems tailored to client needs. Projects range from minor fixes to full-scale electrical upgrades.
Loft Conversions
We convert unused loft spaces into functional rooms, adhering to building regulations and maximising storage. Clients gain additional living areas without expanding their property's footprint. Our focus is on insulation, safety, and practical design.
Plumbing
Our plumbers deliver reliable installations and repairs for heating, water supply, and drainage systems. We address leaks, boiler issues, and full system overhauls with minimal disruption. Clients receive durable, code-compliant solutions.
Garages
We construct standard and oak-framed garages tailored to property aesthetics. Our builds prioritise durability, security, and seamless design integration. Clients benefit from custom storage solutions that enhance property value.
People
Peter Mariner
Senior Business Partner
Peter Mariner, founder of PJM, has over two decades of experience in construction and electrical work. He prioritises integrity, safety, and client satisfaction, ensuring projects meet exacting standards. His leadership drives the company's reputation for reliability and quality.
Questions
What areas do PJM Builders cover?
We operate across Surrey, Sussex, and surrounding areas including Dorking, Ockley, Horsham, and London.
Do you offer free consultations?
Yes, we provide free, no-obligation consultations and quotations for all building projects.
How do you handle project disruptions?
We prioritise minimal mess and disruption, ensuring timely completion while keeping clients informed of any changes.
Are your services guaranteed?
Our work is backed by membership in accredited trade bodies, ensuring quality and client confidence.
What building services do you specialise in?
We handle extensions, electrical work, plumbing, loft conversions, roofing, and new builds for domestic and commercial clients.