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Knowledge Hub

Learn how to get the very best from your heritage building

Knowledge Hub

About Ventrolla

As heritage specialists, Ventrolla is obsessed with restoring heritage timber windows and doors, and has been for over 40 years.

Our Team

We share a deep passion for preserving heritage, combining exceptional craftsmanship, attention to detail, and decades of experience.

Our Team

Projects

Working with some of the most discerning heritage property homeowners and retrofit architects, contractors, and surveyors on their restoration projects.

Projects
brochure

Request a Brochure

Our helpful brochure explains all about our timber restoration and replacement services.

Request a Brochure

Timber Windows

With nationwide coverage, you always benefit from local British craftsmanship.

Timber Doors

Manufactured in our bespoke joinery houses.

Enquire

Give your heritage building the craftsmanship it deserves.

Enquire
brochure

Request a Brochure

Our helpful brochure explains all about our timber restoration and replacement services.

Request a Brochure

Consultancy & project management

Ensuring seamless and efficient execution for commercial projects.

Consultancy & project management

Projects

Working with some of the most discerning heritage property homeowners and retrofit architects, contractors, and surveyors on their restoration projects.

Projects

Victorian Sash Window Renovation in a Sheffield Conservation Area

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Location

Conservation Area, Sheffiled

Upgrading Victorian Windows in a Conservation Area: A Returning Customer’s Project

For Mr Perryman, an earlier phase of window replacement provided the confidence to take the next step in improving his Victorian home. Having already appointed Ventrolla to replace the downstairs windows, he returned to the team to carry out work across the first floor.

Situated within a conservation area, the property required an approach that respected its architectural character while improving the comfort and operation of its traditional timber windows. Ventrolla combined bespoke replacement sashes with specialist overhaul work, draught-proofing and secondary glazing, tailoring the improvements to the different window types.

Bespoke Joinery and Specialist Renovation

Our craftsmen created bespoke timber sashes to complement the home’s Victorian proportions and detailing. New sliding sashes and a replacement casement sash were fitted within the existing frames, retaining the surrounding joinery.

The installation was accompanied by careful overhaul work to restore smooth operation. This combination of restoration and bespoke replacement reflects Ventrolla’s restoration-first approach, preserving existing fabric wherever practical while introducing new joinery where required.

Discreet Upgrades for Greater Comfort

To complement the joinery work, the sliding sash windows were fitted with the award-winning Ventrolla Perimeter Sealing System (VPSS). Discreet brush seals help reduce draughts and rattles while allowing the sashes to move freely, improving everyday comfort without changing their traditional appearance.

The casement window also received draught-proofing, alongside secondary glazing to provide an additional insulating layer behind the timber window. Together, these measures offered a considered way to improve performance while respecting the character of the property.

A Relationship Built on Quality

For Mr Perryman, returning to Ventrolla meant continuing the work with a team whose craftsmanship he already knew. He particularly recognised installers Carl and Dean for the quality of their work.

“We initially had our downstairs windows replaced by Ventrolla and were so pleased we have now used them again for upstairs. The company is professional with a high quality product and excellent installation work. Carl and Dean were particularly good as our installers and we thank them for the quality of their work.”

By combining traditional joinery with discreet sealing and glazing upgrades, Ventrolla helped preserve the home’s Victorian character while making its windows more comfortable and practical to live with.

For more information on how Ventrolla can support your heritage property, visit ventrolla.co.uk or call 0800 0277 454.

Projects

Ventrolla’s obsession with bespoke timber restoration means you don’t have to settle for anything less than perfection. So perfect, in fact, we don’t expect you to see the difference. Just feel it.