Recently bought my I10 Sep 2014 first registered Jan 2014, have suddenly developed water ingress and took it in to the dealer who confirmed a lot of water present in the car and told me it would need to have seats and carpets removed and dried and problem detected and fixed. However I get the feeling I could be subjected to a charge for this, the car is still on its 5 year warranty can I expect this to be covered by the warranty.

It'll depend on the dealer - not Hyundai UK perversely - our Hyundai dealer in Birmingham was very good, never once even suggesting an item might not be covered by the warranty but I have heard tales that some dealers seem to reject everything, in many cases without even referring the claim to Hyundai UK.

I think it depends on the reason for the leak. If it's something like a sub-standard seal, it should be covered; but if there is any suggestion of damage through an accident or the weather, then it would be an insurance job.

In your conversations with the dealer, at least start with the assumption that it'll be covered.

What Is Not Covered By The Warranty
Defect judged by HYUNDAI/ INOKOM as being caused by the failure to follow the recommendation regarding the frequency of routine maintenance service as specified in the “ Scheduled Maintenance Interval” performed by HYUNDAI/ INOKOM authorised Service Center.
Normal maintenance service :
Including checking, tightening, adjusting, engine tune-ups, fuel system adjustment, wheel balancing and alignment, cleaning, lubrication, oil changes, replenishment of fuel, engine oil, transaxle fluid, brake fluid, clutch fluid, power steering fluid, battery electrolyte fluid, radiator coolant, windshield washer fluid, air-conditioner refrigerant and tire alignment, balancing & rotation or other consumable items.
Normal deterioration or normal replacement of Service Items/ normal wear and tear of any parts :
Spark Plugs
Worn Brake Pads, Linings and Brake Discs
Worn Clutch Linings / Discs
Wiper Blades
All Filter Elements
Fuel and impurities in the fuel system
Bulbs, Fuses and Relay
All Beltings
Other consumable, wear & tear items.
Damage or failure resulting from:
Negligence of proper maintenance as required in the Schedule Maintenance Interval.
Misuse, abuse, overload, accident, theft, riot, sabotage, water flooding, or fire.
Use of improper or insufficient fuel, fluids, or lubricants.
Use of parts other than Hyundai Genuine Parts.
Any devices and/ or accessories not supplied by HYUNDAI/ INOKOM
Any modifications, alterations, tampering or improper repair.
Airborne "fallout", industrial fall-out, acidic rain, salt, hail and wind storms, or other Acts of God.
Action of road elements (sand, gravel, dust, road debris, etc.) resulting in any form of damages.
Self-inflicted damages, excessive use, etc.
Paint defects as a result of:
Adverse climatic condition such as high acidic rainfall and any foreign particle fallout.
Lack of regular paintwork maintenance such as wax and polish application at appropriate intervals.
Extended surface adhesion of rotten leaves, bird droppings and/ or any other foreign particles, which is destructive to paintwork.
External impact resulting in paintwork scratches, chips, dents, etc. (Note: Regular care of the vehicle’s paintwork must be undertaken to maintain the paintwork in its original condition)
Incidental or consequential damages:
Fuel, telephone, travel, lodging, towing or summons, commercial and/or personal loss, loss or damage to personal property or loss of revenues, inconvenience, trauma, hardships and other incidental or consequential loss or damage.
Extra Expenses:
Any economic loss including (without limitation) payment for the loss of time or pay, inconvenience, loss of vehicle use, vehicle rental expense, lodging bills, food, other travel costs, storage charges and any other incidental or consequential loss or damage.
Others
Any vehicles where the odometer mileage has been altered.
Any breakage, damage, self-shattering or crack of glass, windscreens, lens and other related part damages occurring due to external factors, accident, burglary, theft, etc.
Any deterioration, staining or corrosion of plated parts, rubber, plastic, upholstery and soft trim.
Very slight irregularities not recognized as affecting quality of function of the vehicle or parts, such as slight noise or vibration or items considered characteristic of the vehicle.
Very slight oozing of oil which does not decrease the quantity of the oil which is not affecting the quality, function or performance of the vehicle.
Any consequential damages or defects by usage of non - genuine or compatible parts.
Any trouble caused by an excessive use, insufficient maintenance, careless handling, accident or negligence.
Any requests or demands for upgrading from original parts equipped to the vehicle.
All vehicles used for competitions, racing, pace making, off road or rallies.

.......... the dealer who confirmed a lot of water present in the car and told me it would need to have seats and carpets removed and dried and problem detected and fixed. However I get the feeling I could be subjected to a charge for this.......

Some dealers will charge you a diagnostic fee which may not be recoverable

under warranty.