Richard Allitt Associates Ltd

Richard Allitt Associates is a leading specialist provider of hydraulic modelling, surface water management and flood risk consultancy for the urban drainage industry.

We pride ourselves on the high level of detail we can provide and the quality of our work using state of the art hydraulic modelling techniques.

As hydraulic modelling specialists we are experienced in a range of sectors including water companies, the property sector, local authorities and the legal profession.

We have offices in the Midlands and Sussex and operate nationally. However, as a small consultancy we like to think we can be highly responsive and cost effective while at the same time offering a high quality specialised service.

With over 20 years’ experience we are sought after for our Expert Witness services and offer consultancy on a wide range of complex flood modelling, drainage and wastewater issues. 

For organisations that need high quality urban drainage advice, Richard Allitt Associates has the breadth and depth of knowledge and technical expertise to help. Our team of specialists brings industry specific knowledge of the latest practices and emerging issues. We stay closely attuned to our clients' varying needs, working in partnership with them to help achieve their objectives. We specialise in flood risk assessments, urban flood forecasting, surface water and drainage management plans.


01444 401840

Event Diary

The annual Digital Government conference will be returning to the QEII Centre, London on Thursday 24th May.

On the 16th & 17th of May, UK’s most ambitious SME owners, startup owners, creative leaders and decision makers will take part in what is being Europe’s largest business event.