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Sash Window Installations in St. Albans

At Barnet Window Company, we’ve been expertly installing sash windows in St. Albans and surrounding areas for over 35 years.

Sash windows, originating in the 17th century, remain popular for their lasting appeal and practicality.

For centuries, these windows have influenced architectural design, with buildings often constructed to complement their graceful proportions.

Whether you own a classic property with original timber sash windows or a more recently built home that features traditional sash-style glazing, we offer a variety of custom options to meet your specific needs. Our sash windows combine classic aesthetics with the latest standards for security and energy efficiency.

We’re here to help you choose the perfect bespoke sash windows for your St. Albans home. We understand the value of your property and welcome you to focus on every detail, ensuring the final product aligns with your vision and expectations.

Distinctive Sash Window Styles & Shapes in St. Albans

Our sash windows are available in a wide range of styles and shapes, making it easy to match your existing window designs. Whether you’re interested in our Bygone or Authentic ranges, we offer numerous Georgian bar designs and can even create unique styles to suit your preferences.

While single sliding sash windows are the most common, we frequently create coupled or multi-light sash windows. Our slim mullions allow us to replicate traditional window proportions seamlessly.

We also specialise in crafting sash windows with arched heads. A ‘true arch’ features a fully semi-circular head, while a ‘swept head’ has a more subtle, shallow curve.

Some customers in St. Albans request sash windows that are square on the inside but have a swept head on the exterior. This is known as ‘The London sash,’ and we are proud to be the only provider of timber-alternative London Arch sashes that faithfully replicate the originals.

All our sash windows meet modern building regulations while maintaining the character and charm of your home, blending seamlessly into your property’s style.

Sash Window Repair & Restoration

While we specialise in installing new timber-alternative sash windows, we also understand that you may want to restore or repair your original sash windows.

Sash window renovation is a meticulous process. The balance mechanism is built into the frame, so fixing issues like broken sash cords, damaged glass, or decayed frames requires careful disassembly and often redecorating afterward.

If you have original sash windows, they may present additional challenges, such as single glazing. Restoring these windows to modern standards might involve reconditioning the frames and potentially adding secondary glazing to improve insulation.

By choosing our timber-alternative sash windows, you’ll enjoy superior thermal insulation and enhanced security, as recommended by the police. Additionally, you’ll avoid the ongoing costs and maintenance that come with repairing or replacing traditional wooden sash windows.

How Much Do Sash Windows Cost?

The cost of restoring sash windows varies significantly compared to replacing them, due to differences in materials, labour, and time. The price of replacement sash windows, whether timber or timber-alternative UPVC, depends on the quality and style chosen.

For new timber sash windows, prices can range widely. Softwood windows, which provide a more short-term solution, start at around £1,000 each, while high-end hardwood sash windows can cost up to £5,000. Mid-range options, such as those using engineered softwoods like Accoya, typically fall around £3,000 per window.

In the timber-alternative market, sash window prices range from £1,500 for basic models to £2,500–£3,000 for premium options like the Bygone sash range. You’ll find a variety of products to suit both your aesthetic and practical needs, as well as your budget.

Conservation Area Sash Windows in St. Albans

If your home is in a Conservation Area in St. Albans, this must be considered when planning your sash window project. In some cases, planning permission is required, depending on whether your property falls under an Article 4 Direction.

Most Conservation Areas in St. Albans do not have Article 4 Directions, which means you can replace your traditional sash windows without planning permission, as long as they are like-for-like replacements.

With over 35 years of experience, we are here to guide you through the process, ensuring that you comply with all regulations. Our extensive knowledge of St. Albans Conservation Areas means you can trust us to help you select the right product, preserving your property’s unique character while staying within legal guidelines.

FOR MORE INFORMATION ON OUR SASH RANGE TAKE A LOOK AT OUR BYGONE AND AUTHENTIC BROCHURES:

BYGONE BROCHURE

AUTHENTIC RANGE

Work Completed in St Albans

Beautiful Sash Window Installation in St Albans

A beautiful Bygone Harmony sash window installation in St Albans,

Frequently Asked Questions

Here are answers to our most frequently asked questions

What is a sash window?

A vertical opening window associated with Victorian and Georgian architecture

How much do sash windows cost?

The cost of a restoration can be very different from the cost of a replacement. This is because the materials, labour and time involved in each process is very different. But it really depends on what you are comparing. Replacement sash windows in timber or an alternative material like timber alternative UPVC can range hugely in their approach to quality and traditional looks, and the costs associated will also vary accordingly.

The cost of new replacement timber sash windows can vary massively, from softwood examples for a more short-term solution at around £1000 each, to top quality seasoned durable hardwoods at as much as £5000 per sash window. There are then mid-range products, often using engineered softwoods such as Accoya, which will likely be between those figures, typically around £3000 per window.

In the timber alternative market, there is again a large range, but it would usually be possible to specify a sash window to suit your aesthetic and practical requirements, as well as your budget. Timber alternative sash windows typically range in cost between around £1500 for a more simple product, up to around £2.5-3k per window for top quality premium products such as the Bygone sash range.

How to paint sash windows?

Painting timber sash windows can be done in the conventional way, but modern timber-alternative sash products can now be factory sprayed in hard wearing acrylic coatings.

How to clean sash windows?

Cleaning techniques for sash windows depend on the material. For timber-alternative and PVC-u products a non-abrasive alcohol based cleaner like isopropanol works great on the frames and the glass.

How do sash windows work?

Sash windows slide up and down and are held open or closed by a mechanism. On original windows this was a pully and a lead weight, but on modern window this is often a spring, called a ‘balance’.

Do you live in a conservation area?

If you are fortunate enough to live in a listed building you must comply with English Heritage (EH) recommendations when making modifications to your home. EH “preserve” important structural elements from destruction, on behalf of the country, for future generations to come.

Local conservation officers, however, often apply the same draconian rules to unlisted properties that happen to be a in a conservation area. Authorities have a duty to “conserve” the general appearance in these areas, but they should be far less stringent.

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What makes our windows so authentic?

We urge you to take your time, if you make a poor decision now, the odds are you will always notice it while you remain at your property. Worse still, it might cost you dearly should you feel the need to change the windows again!

In contrast, the best replacement sash windows will go unnoticed, blending seamlessly with the existing facade, being well balanced and correctly proportioned and harmonising with their surroundings.

It’s about so much more than just the material the window is made from!

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