Conversions and House Extensions in Walthamstow | Unique Customer Benefits


Choose the building contractors at WJ Construction Ltd for house extensions, loft conversions or any related building service. We deliver unique benefits to domestic projects in Walthamstow. Based in Harlow, we’re a trusted local choice for house refurbishments, for kitchen extensions, for roofing work and for constructions from structural steel. The customer is the most important person in our business and this shows in everything we do.


Here are just a few examples of the benefits we bring to the job:

• Full house refurbishments usually need a sizeable budget. We work to what you have available and refurbish properties in Walthamstow starting with a single room.

• Why limit yourself to a single style of conversion when our building contractors work with them all? We specialise in dormer, mansard and hip-to-gable loft conversions.

• Choose WJ Construction for house extensions and we’ll save you money on the related costs of a removal – such as a bigger mortgage, stamp duty and the price of the move itself.

• Realise your design aspirations and have the workspace you’ve always dreamed of with kitchen extensions in Walthamstow designed around the way you and your family live.

• Need a calm living environment and don’t need the upheaval? Our building contractors work on loft conversions from the outside of the home to minimise mess and disruption.

• Homeowners in Walthamstow with concerns overs the outside appearance of a property can use us for exterior house refurbishments include surface preparation and painting.

• If you don’t want to deal with planning permission, we gain the relevant approvals for house extensions on your behalf or simply keep the build within permitted development rights.

• WJ Construction Ltd hires personnel across multiple trades so, when you use us for kitchen extensions, you don’t have to hire installers, plumbers and electricians separately.


There’s a simplicity to using our services that’s hard to find with other building contractors in the Walthamstow area. Let us take care of your construction work, or your house refurbishments, knowing that we offer a 10-year material and workmanship guarantee. This guarantee applies to new builds, house extensions and loft conversions as well as refurbishments. Use WJ Construction Ltd with calmness, with confidence and with pride.

From kitchen extensions to roofing work and everything between, we have Walthamstow covered as a one-stop service provider and one that never uses external subcontractors.


Contact our building contractors on 01279 276227 or 01223 646772 for house refurbishments, house extensions and loft conversions in Walthamstow.

WJ Construction