Practical and Non-tangible Benefits of Sash
Window Restoration


Written by Maddie

There are many practical and non-tangible benefits to restoring your original sash windows
and front doors over replacing them.
If you’re considering sash window renovation for your period property, here are some
benefits to keep in mind.


Let’s define what sash window renovation is
Let’s first define what we mean by quality sash window renovation.
It can include many things; cord, sill replacement, draught-proofing and many other things.
For us, the renovation is to restore and improve windows to modern energy efficiency
So to summarise, the full window renovation that we will discuss here includes the following:

● Full window frame and sashes refurbishment
● Glazing upgrade
● Draught-proofing

Top non-tangible benefits of timber window renovation
Let’s start with less obvious, non-tangible benefits that many of us are keen to miss.

Preserve the heritage of past-generation architecture
Maintaining and preserving the heritage of our communities is an important endeavour, and
one aspect that is often overlooked is the architecture that has come before us.
Older buildings, for example, can be a treasure trove of elegance and design ingenuity.
However, frequently these cherished buildings are neglected or just not properly maintained
over time due to a lack of resources or changing trends.
One way to ensure that we can continue to enjoy this architectural legacy for generations to
come is to renovate older buildings, including restoring period timber windows.

Professional restoration retains the original look and also provides modern thermal
performance benefits.
By protecting our past through thoughtful renovations such as these, we can create new
legacies to be enjoyed by future generations as well.
So let’s not forget the beauty and significance of past-generation architecture – let’s embrace
it with a loving renovation rather than watch it fade away.

Sustainability of sash window renovation
Unlike more modern materials, such as vinyl and aluminium, timber is a natural and
renewable resource that has many benefits for homeowners.
Restoring timber windows is the more environmentally friendly option compared to
replacing them. This is because restoring windows simply requires less resources overall.
Rather than felling new trees and producing new materials, the restoration process is
focused on using the existing materials that are already in place.
Furthermore, restorations often have a much smaller environmental impact compared to
new window replacements.
Restoration requires fewer raw materials than new windows manufacturing and installation,
requires significantly less energy for transportation and delivery, and emits fewer toxic
emissions into the atmosphere. Altogether, these factors make restoring timber windows a
more sustainable choice for homeowners who want to minimize their impact on the

Top practical benefits
One of the most common complaints about historic buildings is that their windows are
inefficient. In fact, poor insulation of single glazing is one of the main reasons why so many
old buildings are now considered drafty and expensive to heat.
There are a number of reasons for this. First, most historic windows were designed to be solid
and durable rather than energy-efficient. Second, they often have single-pane glass, which
offers very little insulating value.
Finally, many older windows were poorly sealed due to the lack of draught-proofing
materials a hundred years ago.

As a result, it’s not surprising that so many people are interested in replacing their old
windows with modern double-glazed options.
However, there are a few things to keep in mind before undertaking such a project. First, it’s
important to understand that most new windows will not be identical to the originals. It is
also possible to upgrade your historic window glazing, which comes with a number of
practical benefits:

Condensation on glass reduced
One of the most common concerns associated with older windows is the issue of

As windows age, they may begin to deteriorate and become less effective at sealing against
air leaks or preventing moisture from entering. This can lead to the formation of
condensation on the glass surface and cause problems such as mould growth and damage
to wood surfaces.
However, reglazing sashes with double-glazed units is an effective solution to tackle the
condensation issue.

When original sashes are reglazed using double-glazed units, this will immediately reduce
condensation issues and help keep your home dry and comfortable.

Level noise pollution
Reglazing sashes with double-glazed units reduce external noise pollution to a pleasant level,
allowing you to relax no matter what’s happening outside.

Better insulation and savings on energy bills
The final and most obvious benefit is the better energy efficiency of double-glazed period
windows over single-glazed ones. Double-glazed wooden windows offer a number of
important benefits compared to traditional single glazing.
Perhaps the most obvious and significant benefit is the improved energy efficiency that
comes with double glazing. By trapping more heat inside and insulating against cold drafts,
double-glazed windows help to keep your home well insulated.

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