SPECIAL PRICES THIS MONTH
Free Shipping -12 %
Graf One2Clean 5 Person (3750L)Only one tank with only one chamber required 3 Less energy consumption and less wearNo mechanical elements in the waste..
£2,107.20 £2,382.00
Ex Tax:£1,756.00 Free Shipping -8 %
Graf One2Clean 7 Person (4800L)Only one tank with only one chamber required 3 Less energy consumption and less wearNo mechanical elements in the waste..
£2,371.20 £2,586.00
Ex Tax:£1,976.00 
Free Shipping -16 %
GRAF Klaro E Professional with +K package For Up To 10 PopulationBenefits of the Graf systemExtremely strong & robust injection moulded undergroun..
£3,319.20 £3,960.00
Ex Tax:£2,766.00 Free Shipping -5 %
Graf One2Clean 9 Person (6500L)Only one tank with only one chamber required 3 Less energy consumption and less wearNo mechanical elements in the waste..
£2,550.00 £2,688.00
Ex Tax:£2,125.00 Free Shipping -13 %
GRAF Klaro E Professional with +K package For Up To 14 PopulationBenefits of the Graf systemExtremely strong & robust injection moulded undergroun..
£3,789.48 £4,380.00
Ex Tax:£3,157.90 Free Shipping New -27 %
Graf One2Clean 10 Person (2 x 3750L)Only one tank with only one chamber required 3 Less energy consumption and less wearNo mechanical elements in the ..
£2,706.00 £3,708.00
Ex Tax:£2,255.00 Free Shipping -11 %
Graf One2Clean 12 Person (8500L)Only one tank with only one chamber required 3 Less energy consumption and less wearNo mechanical elements in the wast..
£3,290.40 £3,708.00
Ex Tax:£2,742.00 
Free Shipping -27 %
GRAF Klaro E Professional with +K package For Up To 22 PopulationBenefits of the Graf systemExtremely strong & robust injection moulded undergroun..
£4,558.80 £6,210.00
Ex Tax:£3,799.00 Free Shipping -19 %
Graf One2Clean 14 Person (2 x 4800L)Only one tank with only one chamber required 3 Less energy consumption and less wearNo mechanical elements in the ..
£3,235.20 £4,014.00
Ex Tax:£2,696.00 Free Shipping -35 %
GRAF Klaro E Professional with +K package For Up To 28 PopulationBenefits of the Graf systemExtremely strong & robust injection moulded undergroun..
£4,656.00 £7,198.80
Ex Tax:£3,880.00 Free Shipping -28 %
Graf One2Clean 18 Person (2 x 6500L)Only one tank with only one chamber required 3 Less energy consumption and less wearNo mechanical elements in the ..
£3,456.00 £4,830.00
Ex Tax:£2,880.00 
Free Shipping -15 %
GRAF Klaro E Professional with +K package For Up To 35 PopulationBenefits of the Graf systemExtremely strong & robust injection moulded undergroun..
£7,554.00 £8,878.80
Ex Tax:£6,295.00 Free Shipping -20 %
GRAF Klaro E Professional with +K package For Up To 40 PopulationBenefits of the Graf systemExtremely strong & robust injection moulded undergroun..
£7,678.80 £9,598.80
Ex Tax:£6,399.00 Free Shipping -30 %
GRAF Klaro E Professional with +K package For Up To 50 PopulationBenefits of the Graf systemExtremely strong & robust injection moulded undergroun..
£10,266.00 £14,758.80
Ex Tax:£8,555.00 Free Shipping -17 %
GRAF Klaro L Professional with +K package For Up To 60 PopulationBenefits of the Graf systemExtremely strong & robust injection moulded undergroun..
£12,546.00 £15,180.00
Ex Tax:£10,455.00 17 Mar 
0 1247
If you are getting ready to install a septic tank or a sewage treatment plant here are a few things to bare in mind1 Make sure you have all your materials on site before installation There are several problems that can occur if we haven't organised the materials with plenty of time, even though at The Drainage Company we can deliver most materials ..
29 Jan 
0 3878
Mr Smith from Basingstoke Question: How far does a septic tank need to be from a building?Answer: As far as building regulations are concerned here is what they say:"Septic tanks should be sited at least 7m from any habitable parts of buildings, and preferably downslope."As for the soakaway/drainage field this should be as followsat least 10m from ..
16 Oct 
0 2924
Yes Graf the German water harvesting giant has entered the world of sewage treatment, the question is are they any good?OverviewGraf have two models on the market the Klaro and the One2Clean both models are based around the Graf Carat tank made from HDPE (high density polyurethane)making these units very sturdy simple to install the differences bet..
17 Sep 
0 2645
The all new Conder ASP HDPE (High Density Polyurethane) Sewage Treatment PlantHDPE or High Density Polyurethane seems to be coming ever more popular as a material used in the construction industry for underground tanks whether they are oil, sewage or water it is becoming the go to material, why?High Density Polyurethane is a very robust and durable..
13 May 
0 1653
If you are getting ready to install a septic tank or a new drainage run you will need to be able to get your levels right here is how you do it:First find out what fall you will need on the drains:Minimum gradient for surface water drainage = 1:100Minimum gradient for foul water drainage = 1:40 (1:80 if wc connected)CalculatingFall = Distance ÷ Rat..
29 Jan 
0 3878
Mr Smith from Basingstoke Question: How far does a septic tank need to be from a building?Answer: As far as building regulations are concerned here is what they say:"Septic tanks should be sited at least 7m from any habitable parts of buildings, and preferably downslope."As for the soakaway/drainage field this should be as followsat least 10m from ..
23 Jan 
0 2958
You may have heard of the name, maybe someone referred to your sewage system as a Biodisc or a Klargester.Klargester has become a household name to many just like we refer to our vacuum cleaner as a Hoover but just like Hoover Klargester isn't the only manufacturer that produces the goods there are many others, even so Klargester where the first so..
16 Oct 
0 2924
Yes Graf the German water harvesting giant has entered the world of sewage treatment, the question is are they any good?OverviewGraf have two models on the market the Klaro and the One2Clean both models are based around the Graf Carat tank made from HDPE (high density polyurethane)making these units very sturdy simple to install the differences bet..
22 Oct 
0 2716
In need of a new sewage system but can't decide whether you need a Septic Tank or a Sewage Treatment Plant?Well, here are some basics on how they work and how they differ:Septic TankA septic tank is a very simple device, essentially it’s a trap for solid waste with a run-off for waste water and because it’s cost effective it remains a very popular ..
17 Sep 
0 2645
The all new Conder ASP HDPE (High Density Polyurethane) Sewage Treatment PlantHDPE or High Density Polyurethane seems to be coming ever more popular as a material used in the construction industry for underground tanks whether they are oil, sewage or water it is becoming the go to material, why?High Density Polyurethane is a very robust and durable..