Business Details
Your Trusted Building & Renewable Energy Partner in Berkshire
Established over 12 years ago, SJ Construction has built a reputation as a trusted partner for domestic building projects across the Thames Valley, Surrey, and Chilterns. Our expertise spans complete renovations, extensions, loft conversions, and the integration of renewable technologies, delivered by a team of dedicated professionals committed to quality craftsmanship. We prioritise client collaboration, ensuring every project aligns with individual visions while adhering to strict timelines and budgets.Beyond practical execution, we offer design-stage advice to enhance energy efficiency and sustainability, positioning us as a comprehensive solution for homeowners seeking both traditional building services and innovative green technologies. Our competitive quoting system ensures accessibility for projects of all scales, from minor repairs to full-scale developments.
Services
Building Extensions
Plumbing Services
Electrical Installations
Solar Panel Fitting
Wall Insulation
Loft Conversions
Bathroom Renovations
Heat Pump Installation
Plastering
Kitchen Fitting
Highlights and features
- 12 years of experience in domestic construction and renewable technologies
- Comprehensive project management from design to completion
- Specialists in energy-efficient building upgrades and sustainability
- Competitive pricing for projects of all sizes
- Proven track record delivering on time and within budget
Associations and certifications
- Gas-Safe registered installer
- RHI Installer
Services
Building Extensions
We deliver customised residential extensions that enhance property functionality and value. Our process includes structural planning, design coordination, and seamless execution of brickwork, foundations, and finishing elements. Clients benefit from our expertise in integrating modern energy-efficient standards while maintaining architectural integrity across Berkshire and surrounding regions.
Solar Panel Installation
Our renewable energy solutions specialise in photovoltaic panel installations for domestic properties. We handle complete system design, grid connection, and grant application support while ensuring compliance with Feed-In Tariff requirements. Homeowners gain reduced energy costs and increased sustainability through our certified installation process and aftercare services.
Plumbing Services
Gas-Safe registered plumbers provide comprehensive solutions for domestic heating, water systems, and appliance installations. We handle boiler replacements, radiator upgrades, and pipework maintenance while prioritising energy efficiency. Our work meets current safety standards and includes emergency repair capabilities across the Thames Valley region.
Wall Insulation
We implement external and internal wall insulation systems using materials like EPS, woodfibre, and lime renders. Our installations improve thermal performance while maintaining aesthetic appeal through coloured renders and traditional finishes. This service helps homeowners achieve significant energy savings and meet modern building regulations.
Heat Pump Systems
Specialist installation of air and ground source heat pumps, including mechanical ventilation systems. We manage complete system integration with existing infrastructure while ensuring eligibility for government incentives. Homeowners benefit from reduced carbon footprints and long-term heating cost savings through our MCS-certified installation process.
Questions
What building services do you offer in Berkshire?
We provide full construction services including extensions, loft conversions, plumbing, electrical work, bathroom/kitchen installations, and renewable technology integration across Berkshire and surrounding areas.
Do you handle renewable energy projects?
Yes, we're certified installers of solar PV systems, air/ground source heat pumps, and insulation solutions with expertise in Renewable Heat Incentive applications and energy efficiency optimisation.
How experienced is your team?
Our professionals have over 12 years' experience delivering domestic building projects, combining traditional craftsmanship with modern sustainable construction techniques and technologies.
Can you work outside Thames Valley?
While our primary service area includes Berkshire, Buckinghamshire, and the Thames Valley, we consider projects further afield depending on scope and requirements.
What accreditations do you hold?
We maintain Gas-Safe registration for plumbing work and are certified RHI installers for renewable heating systems, ensuring compliance with industry safety and quality standards.
How do you manage project timelines?
We commit to agreed schedules through detailed planning, dedicated workforce allocation, and regular client communication to ensure timely completion of all building phases.
