JSJ Construction

The complete life-cycle solution, design and build


JSJ Construction is a specialist team of skilled contractors that cover all aspects of building, we offer the complete life-cycle solution, design and build.

We are experts in working with architects, construction engineers and interior designers in bespoke and complex projects bringing great ideas to life. JSJ have a special focus on smart homes, giving users the ability to control many aspects of their home from their phone, irrespective of geographical location. JSJ construction are the builders of choice for high-end kitchen extensions, house extensions, home renovations and loft conversions in London.

If you are considering creating your dream home that is comfortable and suits all the family needs, or want to maximise space in your property before you sell, we are here to assist you. A kitchen or house extension, loft conversion or new bathroom, could give your property more space at the same time as a beautifully designed new element. JSJ’s Mission is to o provide a reliable and constant service whilst making your dreams come true.


We help create space

We pay careful attention to the flow of homes. We consider your family, age, gender and typical habits when designing your home. We only deal with quality products and pay close attention to the existing property when design. We aim to create a fusion between new and existing whilst maintaining the new feel. Expanding you home not only adds another dimension but a completely new feel, texture and hence experience.

Loft Conversion

Put your loft to better use

Her at JSJ we offer seamless Loft conversations without the feeling of being confined. We ensure that when you enter your Loft you notice the landing and the stairs have had careful consideration. We offer all clients a variety of finishes that suites their needs but within the current time. With JSJ Smart Homes, we ensure that you new Loft is not only functional, but a completely new experience with a sense of high living.

Full house build

Full cycle solution

We offer a one-stop solution from surveying -> structural Engineer checks -> drafting plans -> planning permission applications. We create innovative designs that transform our clients’ homes and the way they live in them.  We manage the design process so that the finished article meets with your aspirations for your home and expectations in terms of budget.

Kitchen & Bathroom

Rebuilt & Refreshed

We have years of experience in bespoke bathroom design & installation.  By putting our knowledge into practice, we can deliver bathrooms that both meets with your budget and exceeds your expectations.  This is achieved through fabulous design, purchasing the right products and materials for the best price and executing the installation to the highest standards.

1-20 Apartment

Multiply assignments

At JSJ we pride ourselves in high quality and we bring the same workmanship to multiple dwellings. JSJ create multiple homes at scale with the same attention to detail in to custom renovations or developtments. Rest assure in a JSJ Smart Home you’ll always be able to say: “Quality Life, Quality Living”.

Our team of Architects will supersede your dream design, then we’ll just build it and control it!!!

Our Surveying team have extensive experience in quantity surveying alongside working with many of the London planning departments, so rest assure we’ll push your design right through.

We carry out Ground works, Brick laying, Roofing, Plastering and Carpentry to a Joiner’s taste.

Just pick a colour, we’ll do the rest!

Whether traditional or cotemporary we’ll tile to your liking

Gas safe M&E contractors to ensure your safe.

Our specialist NICEIC Approved electrical team do you basic electrical requirements but also give you the ability to control you home from your phone. From Lighting, Heating, Ventilation, AC, Access Control, AV, Data, Fire Safety, Security and Shading.  You name we control it!!!