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Durable Modular Home Extensions in Hereford
Durabase is a certified system transforming the construction of conservatories and full-height extensions through innovative steel base and modular wall technology. Established over three decades ago, we deliver modern engineering efficiencies to domestic applications, backed by Stroma accreditation and a 25-year guarantee. Our off-site manufacturing ensures precision, reducing on-site time and waste while maintaining compliance with building regulations.

With nationwide service across the UK, we cater to homeowners, builders, and trade suppliers seeking faster, cleaner, and cost-effective solutions. Our teams expertise in modular construction and commitment to quality has positioned us as a trusted partner in residential building projects.
Services
Conservatory Bases Modular House Extensions DIY Conservatories Prefab Walls Garden Room Bases
Highlights and features
  • We have over 30 years of experience in modular steel base construction.
  • Our systems are Stroma-certified for compliance and quality assurance.
  • 25-year guarantee on all products for long-term peace of mind.
  • Nationwide service covering London, Birmingham, Manchester, and beyond.
  • DIY-friendly designs reduce costs and eliminate the need for heavy machinery.
Associations and certifications
  • Stroma
Services
Conservatory Bases
Durabase conservatory bases provide a rapid-installation steel foundation system. These modular bases eliminate traditional concrete footings, reducing build time to one day. The kit includes pre-engineered components for precise assembly, ensuring compliance with Stroma-certified standards. Ideal for homeowners seeking a mess-free, cost-effective alternative to wet construction methods.
Modular House Extensions
Our modular house extensions use galvanised steel frames and pre-bricked wall panels for quick assembly. The system avoids deep excavation, allowing installation on compact sites with minimal disruption. Components arrive pre-fabricated, achieving watertight status within hours. Suitable for single-story rear or side extensions requiring building regulation approval.
Prefab Walls
Durabase prefab walls combine pressed galvanised steel frames with brick-clad finishes. These panels install without bricklayers, using interlocking design for structural integrity. Available in multiple brick styles, they match traditional aesthetics while offering 90% faster installation than conventional masonry walls. Fully compatible with Durabase foundation systems.
Garden Room Bases
Garden room bases utilise the same steel frame technology as conservatory systems. The shallow foundation design preserves landscaping, with installation completed in a single day. Pre-insulated floor panels and numbered components ensure straightforward assembly. Provides a stable, level base for garden rooms up to 30m without requiring traditional concrete pours.
DIY Conservatories
DIY conservatory kits include all structural components pre-engineered for easy assembly. The system requires no heavy machinery, with parts designed for manual handling. Comprehensive instructions and numbered sections enable accurate self-installation. Ideal for homeowners seeking to reduce labour costs while achieving a Stroma-certified, weatherproof structure.
Questions
What is the Durabase system?
Durabase is a modular steel base and wall system for conservatories, extensions, and garden rooms. It uses factory-engineered components for fast, clean installation with minimal on-site disruption.
How does Durabase differ from traditional methods?
Durabase eliminates deep excavation and heavy machinery. Installation takes one day, compared to weeks for traditional wet systems, with 90% less waste and no need for bricklayers.
Is Durabase approved by building regulations?
Yes. Durabase is certified by Stroma, an independent building control inspector, ensuring compliance with UK building regulations for single-story structures.
What warranty does Durabase offer?
All Durabase products come with a standard 25-year guarantee, covering structural integrity and performance under normal use conditions.
Can I install Durabase myself?
Yes. The system is designed for DIY assembly with basic tools. No specialist tradespeople or heavy equipment are required for installation.
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