RDSIPS builds high-quality SIPs house extensions that are warm, strong and energy-efficient — installed faster and made to last.

EXPAND YOUR HOME THE SMART WAY

Beautiful, Energy-Efficient House Extensions Built to Last

Create the extra space your family needs with a premium SIPs house extension — fast to build, fully insulated, and designed for year-round comfort.

LIMITED TIME OFFER: 10% OFF all SIPs house extensions — January 2026.