“50 years of experience & innovation in plastic”
GRAF UK - Specialists In Water Management
Graf UK Ltd is one of the fastest-growing suppliers of sustainable water management systems in the UK. We’re focused on three top priorities;
> Preventing flooding in increasingly extreme weather conditions, through stormwater management.
> Preventing sewage being discharged into water courses.
> Putting the precious resource of rainwater to good use through rainwater harvesting.
Using 100% recycled materials in the process.
About Us“We believe that we can all do more to help save water. In the future everyone will realise how precious it is.”

A fully managed solution, from design to installation.
Latest news and blogs
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Why would I need a wastewater treatment system?
There are several reasons why you might need a wastewater treatment system… You could be having to replace an existing septic tank which no longer meets the Environment Agency requirements under the General Binding Rules. Or You might be building a new home in a remote location and there is no mains drainage network for […]
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Your Questions Answered About Septic Tanks
If you’re in the market for a septic tank for your property, then you’re likely to have questions. Firstly, why might you need one and what does it do? Septic tanks provide a treatment process to clean the black wastewater (sewage) from your home. Black water is the used water that comes from your toilets […]
What our customers have said...
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"Having taken the GRAF UK range on in 2018, we have never looked back! The team are super helpful, and we can only see our sales of the GRAF UK product going up!"
Keith Chadwick, M W Waste Drainage Support Services Ltd
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"We have been installing tanks for over 25 Years and have found GRAF UK tanks to be one of the best quality tanks on the market. They also have outstanding customer service!"
Tony Shaw, Binder Ltd
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"We have found GRAF to be a progressive modern company, giving the best solutions which are not only cost effective, but easy to install and maintain. GRAF and KLARO have been invaluable in assisting us to get SBR technology to SEPA, which is a major step for us and we see some exciting progress ahead with the Advanced Wastewater Systems."
Syd Ross, Filpumps Ltd
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The latest from Instagram
1318m3 EcoBloc Maxx stormwater attenuation tank installed this week for a development of 162 private and affordable homes in Kirkintilloch. This tank was installed with a row of EcoBloc Inspect Flex to allow for future inspection and maintenance. #SuDS #stormwatermanagement #drainage #attenuation #ukconstruction
Rainwater harvesting has been around for many years yet people still aren’t putting it to good use. Here are 4 benefits that UK households can start to reap.
A 90PE Klaro sewage treatment plant going out for delivery to Wales. #drainage #sewage #sewagetreatmentplant #wastewater
Stormwater attenuation tanks are being installed all over the UK to help minimise the risk of localised flooding and with greater storm events happening more often the risk has never been higher. Here are 4 simple steps that explain how a stormwater attenuation tank works to reduce this risk. #drainage #stormwatermanagement #attenuation #construction
Sewage treatment plants are fast becoming the more popular method of dealing with waste coming from off-mains properties. Here are 5 simple steps that explain how a sewage treatment plant works. #wastewatertreatment #sewagetreatmentplant #sewagetreatment #drainage
When we got a chance to install an attenuation tank on Southam Road in Banbury, less than 10 minutes from our head office, there was no way we could lose this to one of our competitors! We'd never be able to drive to the office smiling ever again! Even though the design was insisting on a pipe running through the centre of the tank, to be surrounded by gravel, something we rarely do with our EcoBloc system, we installed the tank in the first week of May. #construction #constructionuk #civils #attenuation #banbury
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