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Seattle Sunrooms & Room Additions

Pamper yourself with your very own hideaway, thanks to a Sun Spaces sunroom built with SIPs. There’s no better place to get away from it all, for a few hours or an entire weekend. When you’re in your new sunroom, relaxing as all of Seattle unfolds in front of you, you’ll think you’re in your own personal paradise. To experience true luxury from the comfort of your own home, call us today for a free consultation.


We are a family owned and operated business, building over 4,000 projects in the last 32 years. We provide a personalized, unique service to those who place importance in their indoor living space by designing and installing high quality sunrooms, using only the finest materials and craftsmanship. Read More…


We treat every client as an individual. We will work with you personally, from the planning stage to project completion. Our staff is trained in design, building and servicing all of our product lines. We thrive to provide the ultimate in customer service. Read More…


If you plan to construct a building, home or add on living space with a well‑built room addition, be sure to build with SIPs. There are at least 10 reasons why choosing to build with Premier Building Systems structurally insulated wall panels, roofs and ceilings is far superior to conventional stick framing. Read More…