JWK Electrical h JWK Electrical Limited,
Suite J, Priory Park, Beech Green Lane ,
TN7 4DB Withyham,
procurement@jwke.co.uk 01892662756

Design & Estimation


Design & Build

Over the years we have taken on not just ‘design-free’ projects, but Design & Build. Our in-house engineering team have all the necessary tools to build a design from the ground up, or take a completed design through verification, prior to installation. A good design is key to any project, so we make this aspect an important part of our system of work.

Whether a full emergency lighting calculation is required, or a discrimination study of LV distribution, our team can tailor this work into the package as required.


Our estimating department will be happy to take queries for any tender submissions. We can offer turnkey or broken down packages, tailored to how our Clients require.

We offer full supply and installation services but can also offer labour only. Our growing list of clients each have their own criteria during the tendering process which we obtain before and during the submissions, ensuring we are completely accurate and competitive with our costs.

Typical design we offer in-house are:

Computer Aided Design (CAD) Drawings and Plans

Emergency Lighting software calculations (lux level spreads, including lighting manufacturer data)

AMTECH modelling

Discrimination Study of LV distribution

Electrical Specification composition

LV power and lighting calcualtions (i.e. Volt Drop, KVA, PFC, Zs)

Solar PV array designs

BS 7671 NICEIC Initial Verification