Northstar Building Solutions is number one company for all London house extensions projects. With over 18 years of experience in the industry we have many successful house extensions projects across London area. We specialise in all aspects of house extension projects and we will take care of your job from start to finish. Our main goal is to deliver excellent results on time an budget at the fixed price.Northstar Building Solutions understands that peace of mind and honest communication are most important parts of any project and for that reason we always provide friendly and reliable service with transparent and easy to understand estimates. As a proof of our excellent services we can provide many reference as well as 10 years guarantee for all London extension project we undertake.