Just found this on Halfords site cheapest regas / recharge i can find anywhere.With free check.
Air Con Check
We now offer a FREE Air Con Check, to check your refrigerant levels and see if they need to be topped up for optimal performance. If they do need topping up, we offer all the products you need to do it, or you can book in for our Air Con Re-Charge service and we can take care of it for you.
Pre-booking may be required - contact your local store. Check subject to vehicle inspection.
Air Con Re-Charge
Our trained in store specialists can check your air conditioning levels and top up the refrigerant for you for £29.99 (€38.99).
Pre-booking may be required - contact your local store. Re-charge subject to vehicle inspection.
Air Con Clean
For the ultimate air con service, our experts can finish off your annual air con maintenance by cleaning the air con circulation system. For just £3.99 (€4.99), our team will use specialist Comma Air Con Cleaning product. This will eliminate all harmful bacteria and odours, so you can breathe a sigh of relief!
Simply ask in store for more details.
Air Con Clean and Re-Charge
For the complete package our store specialists can also offer a full clean and re-charge for £39.99 (€49.99), including gas and cleaner.
Some pre-booking may be required and all services are subject to vehicle inspection.
Cost of Comma Air Con Cleaner is additional.