Ventrolla has specialised in the repair & restoration of period timber sash and casement windows for nearly four decades.Through our national network of local craftsmen, we have established ourselves as the market leader in sash window and casement window renovation, offering a guaranteed and unique service that avoids the need for unnecessary and costly replacement.Traditional sash windows are an essential feature of a period building's character. Therefore, it is vital to retain them, not only because of the aesthetic appeal, but because they add value to your property.Maintaining these traditional features previously meant compromising on comfort. Not with Ventrolla! Our unique sash window Renovation and Performance Upgrade service makes problems associated with older windows such as draughts, rattles, rot and operational issues, a thing of the past, allowing you to enjoy your traditional wooden windows regardless of the weather outside, whilst reducing your energy costs.On our website we have provided you with all the information you need to understand Our Service for sash windows, casement windows and doors, including the Benefits of our system.Tel: 0800 027 7262, Email: info@ventrolla.co.uk

Eliminate draughts rattles and improve operation Installation of double and secondary glazing in period timber windows Approved by English Heritage Historic Scotland and CADW in Wales Over 30 years of experience renovating period timber windows Eliminate draughts rattles and improve operation Installation of double and secondary glazing in period timber windows Approved by English Heritage Historic Scotland and CADW in Wales Over 30 years of experience renovating period timber windows Eliminate draughts rattles and improve operation Installation of double and secondary glazing in period timber windows Approved by English Heritage Historic Scotland and CADW in Wales Over 30 years of experience renovating period timber windows Historic England Over 35 years'​ of experience renovating period timber windows Over 35 years'​ of experience renovating period timber windows