Welcome to Coastline Carpentry & Building.

We are a carpentry and building firm based in Waterlooville, Hampshire. With over 25 years experience in delivering everything from loft conversions and extensions to complete new builds you can be sure you are in safe hands when you choose Coastline for your building project. Please take a look at our services below to see some of the excellent work we have carried out for our customers in the past.

More About Us

Our services.

House Extensions

Whatever type of extension you are planning we can help. Contact us for a free no obligation quote today!

Loft Conversions

We have experience in all types of loft extension. Our experienced team can also help you decide which is the best design for your home and your budget.


The kitchen is the heart of the home and where families spend most of their time. If you are looking for a new kitchen that will wow you contact us today and let us show you what is possible.


If you are looking for a modern bathroom with those luxury touches but without the huge price tage contact us today for a free no obligation quote!

Find us.

22 Summerhill Road, Waterlooville, PO8 8XE

Call us.

07769 665710

Email us.