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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.

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Timber Windows

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

Timber Doors

Manufactured in our bespoke joinery houses.

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Give your heritage building the craftsmanship it deserves.

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brochure

Request a Brochure

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

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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

Ipswich

Sash Window Repair and Timber Window Restoration in Ipswich

Ipswich is one of England’s oldest continuously inhabited towns, and its windows tell the story – from medieval timber framing to Georgian sashes and Victorian joinery. At Ventrolla, we’ve spent more than 40 years restoring the heritage timber windows and doors that define Ipswich’s character, working with residential and commercial building owners across Suffolk to keep period windows beautiful, functional and faithful to their original design.

Sash Window Repair and Timber Window Restoration in Ipswich

Why choose Ventrolla for your windows and doors in Ipswich

British Craftsmanship

British Craftsmanship

Every window handcrafted by our master joiners and local craftsmen.

Sustainably sourced

Sustainably sourced

Durable, premium timber built to last.

Listed Property specialists

Listed Property specialists

Our national team of master craftsmen, have unrivalled knowledge and expertise.

Rated excellent on Trustpilot

Rated excellent on Trustpilot

Five-star reviews from heritage property owners across the UK.

Over 1 million windows restored

Over 1 million windows restored

Four decades of specialist window restoration and timber doors expertise.

Nationwide service

Nationwide service

Locally based surveyors and craftspeople.

Our Ipswich window restoration work

Before

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After

After Image

From leaded casements to Georgian sashes, our before-and-after gallery shows the difference a Ventrolla restoration can make.

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Before

Before Image

After

After Image

From leaded casements to Georgian sashes, our before-and-after gallery shows the difference a Ventrolla restoration can make.

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Trusted by many

Ventrolla in your words

Excellent

Star rating
Trustpilot
Star rating

Worth the wait!

Simply put, the technical quality, responsiveness and attention to detail as the works were delivered has been outstanding. Six stars out of five. Their site team were a delight to work with – great supervision and planning, flexible to our requirements, safety conscious and leaving a clean site every day. The end quality of the work was fantastic, meaning we now have a full set of refurbished or renewed windows and doors which both look wonderful and function excellently. Where snagging issues were identified, these were dealt with swiftly and sympathetically, with great engagement from their supervisor and site teams. Near the end of the works we had a late notice surprise at another location on our site which needed addressing – despite not being part of the commissioned work, Ventrolla responded to our call for help and not only quoted to deal with the problem but finished the works themselves within 48 hours of our first call. I genuinely couldn’t expect such a response. We’ve now completed the works and are delighted with the quality and finish of the products. In summary, I’m very happy to recommend them, and in the (hopefully unlikely) event I need to invest in further works I’d certainly be calling upon their support.

Luke Wooller

Star rating

Sash replacement in Farmhouse

Two twelve-pane sash with delicate glazing bars in a Grade 2 farmhouse.This wasn't an 'installation', there was real craftsmanship and experience here. Rob dealt with the problems of the 200 year old cob with real care, he worked right through the weekend to get the job done, turned up exactly when he said he would, was friendly, efficient and left the place clean and as he found it. From initial quote to survey and accounts it was all a very positive experience. Reassuring to now have someone to turn to for any window issues in future.

Tim

Star rating

I cannot praise this company enough.

I cannot praise this company enough. The three window fitters Rob, James and Tyler did a wonderful job fitting my new windows, in spite of hold ups with the scaffolding company delaying progress. They were professional, friendly, respectful and in my opinion went above and beyond. They left my property clean and tidy and I am delighted with the work. Thanks guys.

Jayne Hansford

Heritage window specialists for period properties in Ipswich

Ipswich and the wider Suffolk area include significant numbers of listed buildings and conservation areas, and every window project here needs a surveyor with both the technical skill and the planning knowledge to match.

Our Ipswich team works closely with conservation officers across the region, and we regularly handle listed-building consent applications through our Ventrolla Consult service. Whatever the age, scale or status of your property, we tailor every restoration to the specific building and its planning context.

Your neighbours trust us too

We’ve been in your neighbourhood

Our Ipswich team operates across the town centre, Christchurch Park, St Margaret’s and outlying areas, including Kesgrave, Woodbridge, Felixstowe, Bury St Edmunds, and the Suffolk villages.

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our promise

Up to

10 years

Manufacturing guarantee

Up to

20 years

Window glazing guarantee

Up to

10 years

Paintwork finish guarantee

Up to

30 years

Rot and decay guarantee

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About Ipswich’s architecture

Ipswich’s window heritage reflects its transitional character – medieval leaded casements in timber-framed buildings, Georgian sash windows added in later redevelopment, and Victorian detailing in the 19th-century expansion. The issues we see most often are perished sash cords, draughts through meeting rails, rotted cills and paint layers that have built up over generations.

Our response is to restore wherever possible and to replicate faithfully where not. Our Ventrolla Perimeter Sealing System (VPSS™), Sash Removal System (SRS™), and specialist glazing combine to deliver windows that are visually unchanged and technically sound for another century.

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accreditations

Complimentary window survey in Ipswich

Book a complimentary window survey with one of our heritage surveyors to provide advice on the options available to you. We provide practical advice on restoration vs. replacement to guide on whether your windows can be restored rather than replaced. If windows are beyond repair we will provide you with the best options for replacement to ensure your period home retains its original features whilst improving performance.

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Frequently asked questions

01

What types of properties do you work on in Ipswich?

Ventrolla restores timber sash and casement windows across Ipswich, including Victorian terraces, Georgian townhouses, Edwardian villas, dockside apartments and period cottages throughout Suffolk. Our craftsmen are experienced in preserving original timber windows while improving comfort, efficiency and usability for modern living.

02

Can you help with windows in Ipswich conservation areas and listed buildings?

Yes. Ipswich has a rich architectural heritage, and many homes fall within conservation areas or are listed buildings. Ventrolla specialises in restoration-first solutions that retain historic detailing and original joinery, helping homeowners preserve the character of their property while addressing practical issues such as draughts, decay and difficult operation.

03

Are timber windows affected by Ipswich's coastal and riverside climate?

Properties near the River Orwell and Suffolk coast can experience higher moisture levels, salt exposure and changing weather conditions. Over time, this can contribute to paint failure, timber movement and deterioration. Professional restoration and ongoing maintenance help protect timber windows from these environmental pressures and extend their lifespan.

04

How does Ventrolla improve draughty sash windows in Ipswich homes?

We use a combination of specialist repairs, balancing systems and our proprietary Ventrolla Perimeter Sealing System (VPSS). VPSS is designed to reduce draughts, rattles and heat loss while maintaining the traditional appearance of timber sash windows. This helps create a warmer, quieter and more energy-efficient home.

05

Will restoring my original windows add value to my Ipswich property?

Original timber windows are often considered a desirable feature in period homes. Restoring them can enhance kerb appeal, preserve architectural authenticity and support the long-term value of the property. For many Ipswich homeowners, restoration is both a practical improvement and a worthwhile investment in the home’s heritage character.

06

What are the most common sash window problems you see in Ipswich?

The issues we encounter most frequently include sticking or painted-shut windows, rattling sashes, broken cords, draughts, condensation concerns, rotten timber and windows that no longer open smoothly. A professional survey helps identify the underlying causes and the most appropriate restoration approach

07

Can you install secondary glazing in period properties?

Yes. Secondary glazing is a popular option for Ipswich homeowners who want improved thermal and acoustic performance without replacing original windows. It is especially useful in older properties where maintaining the external appearance of the building is important

08

How long does sash window restoration usually take?

The timescale depends on the number of windows, their condition and the scope of work required. After a detailed survey, we provide a clear project plan and timeline. Our team works carefully and efficiently to minimise disruption while delivering high-quality craftsmanship.

09

Is restoration more cost-effective than full window replacement?

In many cases, yes. Restoring original timber windows can be a more economical and sustainable option than full replacement, particularly when the existing joinery is structurally sound. Restoration also avoids the loss of original character that often accompanies modern replacement windows.

10

Why choose Ventrolla for timber window restoration in Ipswich?

Ventrolla has more than 40 years of experience restoring heritage timber windows across the UK. Our craftsmen combine traditional joinery expertise with innovative systems such as VPSS, helping Ipswich homeowners preserve the beauty, performance and authenticity of their original windows for generations to come.