★★★★★5.0 on Google from 30+ reviews
JNDC — builders in London
JNDC is a strategic hardware commercialisation company that works with teams to move physical products from early idea through to manufacture and market. Its support covers commercial reviews, engineering, testing and help with production.
What JNDC does — and what it typically costs in London
Every job below can be priced from this page. The ranges are what London homes typically pay, from Locufy's price guides. JNDC confirms the exact figure in a written quote — asking is free, with no obligation.
Building & extensions
Kitchens, bathrooms & interiors
Roofs, walls & windows
Typical prices from Locufy's UK 2026 price guides — each guide explains what the job involves and what moves the price. Rendering and insulation installer are also offered, priced on survey.
About JNDC
JNDC is a strategic hardware commercialisation company that works with teams to move physical products from early idea through to manufacture and market. Its support covers commercial reviews, engineering, testing and help with production.
You can ask for a written price on any building job from this page — an extension, a kitchen refit, a roof that leaks — and compare it with other London builders if you want to.
At a glance
- Trade
- Building and construction
- Based
- Kingston upon Thames
- Covers
- London and 15 km around
- 5.0 · 30+ reviews
- Hours
- Mon–Fri 9:00–17:00
- Quotes
- Written, free, no obligation
A written price, with no obligation
Describe the job
A line or two and a photo if you have one — it takes a minute.
JNDC prices it
Locufy passes it on; they come back to you with a written price.
Book, or compare
Happy? Book the date directly with them. Not sure? Compare quotes from other London builders.
How JNDC is rated
As published on Google, refreshed on each visit.
Read the reviews on Google →Reviews from Locufy bookings appear here
Every Locufy review comes from a job booked through Locufy, so each one is a real customer. Booked JNDC? You can leave the first one after the job.
Have a question before you book?
Do they handle planning? Are they on the voluntary construction register? Ask here — Locufy passes it to them and emails you their answer.
London and the towns around it
Based in London, JNDC works across the city and about 15 km around it.
- London
- City of Westminster
- Sutton
- Croydon
- Hayes
- Fulham
- Southall
- Purley
- Hounslow
- Mitcham
Before you book
What does JNDC do?
JNDC helps teams turn physical products into market-ready hardware. Its work spans commercial reviews, engineering, testing and production support, from the first idea through to manufacture and launch.
Does JNDC accept a client's brief as it is?
No, JNDC questions the brief before building anything. It challenges the brief first so that gaps are found before the product is developed.
What stages of product development does JNDC cover?
JNDC covers eight stages: strategy and funding, design and engineering, prototype, test and validation, DFM and value engineering, compliance assurance, launch, and lifecycle and growth. Each stage has defined checkpoints.
Has JNDC worked on crowdfunded products?
Yes, one of JNDC's listed client projects is a crowdfunded product that was successfully funded.
Where does JNDC's approach to product routes come from?
Its approach comes from JNDC's own commercial experience of taking products to market, which it uses to map the route for each project.
Get a written price from JNDC
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