Drainage Design
From single-plot extensions to 300-unit housing schemes — drainage design that gets planning approved first time.
Get a quoteWhat we do
JNM Engineering provides full drainage design services for residential and commercial developments across the UK. We produce SuDS strategies, adoptable sewer designs, highway drainage schemes, and drainage impact assessments — everything your planning application and building regulations submission needs.
Who it's for
Our clients include national housebuilders, regional developers, architects, and self-builders. Whether you're extending a single house or delivering a 300-home scheme, we provide a bespoke service scaled to your project.
Why JNM Engineering
With over 20 years' experience and a track record that includes the Ministry of Defence and major national housebuilders, JNM Engineering delivers technically rigorous drainage designs with fast turnaround. We understand what local authorities and statutory consultees need — and we design to get it approved.
Drainage design services
- SuDS strategy and design
- Adoptable sewer design (Sewers for Adoption)
- Highway drainage design
- Drainage impact assessments
- Pre-application drainage advice
- Drainage condition discharge
Case study
Case study: 120-unit residential scheme, Shropshire
JNM Engineering was appointed to deliver the full drainage strategy for a 120-unit housing development on a greenfield site. The scheme required a detailed SuDS strategy, adoptable sewer design to Sewers for Adoption standards, and highway drainage design coordinated with the highway authority.
Outcome
Planning permission granted with no drainage objections. Sewer adoption agreement secured ahead of programme. Developer saved six weeks compared to previous consultant.
Get a quote
Tell us about your drainage project and we'll reply the same working day.
Prefer to call? 01952 460653