Your stove and flue Liner must be swept annually to comply with warranties. The terms of the warranties are set by the manufacturers.
Cost of Annual Sweep
£60 for annual sweeps
£80 for stoves not regularly swept (For example, every 2 or 3 years).
*Note: Leaving your sweep over a year will void your warranties. Please read your stove hand book / manual and where stated sent your warranty / registration details to the stove manufacturers.