Service Area
Builders in Walthamstow.
Top Tier Contractors carries out extensions, loft conversions, garage conversions, garden rooms and new builds across Walthamstow and the surrounding areas, covering Leyton, Leytonstone (E10, E11, E17).
What we do in Walthamstow
New Build Construction
Homes and developments built from the ground up to an exceptional standard.
Extensions
Rear, side-return and double-storey extensions that transform how you live.
Loft Conversions
Unlock an entire new floor — dormer, mansard, hip-to-gable and Velux.
Home Improvements
Kitchens, bathrooms, layouts and upgrades that lift every room.
Garage Conversions
Turn an under-used garage into a bedroom, office or living space.
Garden Rooms
Insulated, all-year garden rooms for work, fitness or relaxing.