top of page

Enhance Your Home's Value with Our Improvement and Energy Solutions

Energy efficiency, extensions, conversions

About us

At QJSS construction, we take pride in offering a wide range of construction services to meet your needs and transform your property into a comfortable, energy-efficient, and modern space.

Finf out more

Our Services

Our portfolio

Watford, 2021

Lewisham, 2020

Edgware, 2022

Wood green, 2021

Euston, 2021

South Hampstead, 2022

Hemel hempstead, 2023

Chingford, 2023

Our customers

QJSS construction 5 star rating on Houzz

review2-1-pdflwpkds3vri790dohkpo4wdjpkg288sdss3aud28.jpeg

Office 98, 275 New North Road, N1 7AA, London, UK

07878299883

Energy efficiency grants

Under ECO4 scheme, you may be eligible for loft, roof, external and internal wall insulation

absolutely free

Wall/Roof/Loft Insulation

Insulation efficiently minimizes heat loss from your home, resulting in cost savings on your energy bills

Loft conversion

Transform your space with our expert loft conversions. Elevate your home's functionality and style. Start your dream project today

EPC certificate

We deliver Domestic and Commercial EPC certificates for residential and commercial properties across London

Windows & doors

Installing double or triple glazed doors, windows could help increase the level of energy efficiency of your home

Home extension

Expand with ease. Exceptional home extensions tailored for you

Gas safety certificate

We provide Gas Safety Certificates (GSC), which includes a thorough inspection of all gas appliances and flues within the property.

Bathroom renovation

Transform your bathroom with our expert renovation services. Elevate style and functionality seamlessly

Boiler installation

Installing a new boiler has the potential to reduce your gas bill by up to 22% - and increase house energy efficiency

Interior Renovation

No matter if you require painting, new flooring or a bathroom renovation, our skilled builders ensure a high-quality finish for all your needs.

bottom of page