For a fourth year Heppelthwaite the Red Van Plumbers are supporting the Gravity Grand Prix as headline sponsor. The downhill karting event will take place on Sunday 10th September 2023, and kicks off from midday. The yearly fund raising event has taken place in the village of Cookham Dean, Berkshire since 2007. Subsequently, the Gravity Grand Prix has raised over £170,000 for our designated charity, the Thames Valley Air Ambulance and other local causes.

Official Website –

Rubber Duck Competition

Our kart will be followed by our team throwing out little yellow rubber ducks. On each duck there will be a QR code. Simply scan the QR code to reveal what prize you have won. You get to keep the duck too! 😉

Prizes include:

1. Three nights at a Holiday Cottage in the Cotswolds for up to 6 guests
2. £300 Plumbing and Heating Services voucher from The Red Van Plumbers
3. One £200 love to shop voucher
4. Four x £50 Love to shop vouchers
5. Various smaller prizes (Free boiler service, vouchers, prizes for the kids, sweets, discount codes and more)


Click here for Terms and Conditions

Highlight Videos from Previous Years

Check out the highlight videos from previous Gravity Grand Prix events.

Terms and Conditions

  • Prizes must be claimed by 30th September 2023
  • Vouchers are subject to the terms and conditions stated on the vouchers
  • The promotion can not be used in conjuction with any other offer and cannot be exchanged for money.
  • If you win a service or get a promo code, we can only attend the areas we cover – Click Here
  • Heppelthwaite the Red Van Plumber have the right to withdraw this promotion at anytime.


Heppelthwaite have been helping customers switch to renewable energy for more than 20 years. Last year we launched Heppelthwaite Green Building Solutions, a new specialist division dedicated purely to renewable energy, such as Solar PV, Heat Pumps and Biomass Heating.


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