Replacing Windows In Listed Buildings – It Can Be Done!

Replacing windows in listed buildings doesn’t have to be impossible. With the right heritage aluminium systems, homeowners can preserve traditional character while improving energy efficiency, security, and durability. Modern slimline aluminium windows are now frequently approved for listed properties when they closely match the original design and meet conservation requirements.
 
 
 

Help Guide – Energy Efficient Heritage Windows for Listed & conservation area buildings

Installation & Fitting GuidesSuper slim framed Aluminium Heritage Windows and Doors comply with the new Building Regulations (Document L – June 2022) and have been designed to mirror the thin framed steel and timber frames of the past.

Guidance for homeowners working within planning restrictions, heritage requirements, and conservation rules.

Replacing Windows In A Conservation Area

Approved Aluminium Windows For Conservation Areas.

This guide introduces how aluminium window systems can be successfully specified for conservation areas. With advances in design, these windows can closely replicate traditional timber styles—featuring slim profiles, heritage detailing, and appropriate finishes—while delivering improved energy efficiency, security, and longevity.
 
 

Traditional Steel Alternatives

IS ALUMINIUM A SUITABLE ALTERNATIVE FOR THE REPLACEMENT OF STEEL PRODUCTS? – BUYERS GUIDE

This buyer’s guide explores how modern aluminium systems compare to classic steel products in both appearance and performance. Thanks to advances in manufacturing, aluminium windows can now replicate the distinctive slim sightlines and elegant profiles that made steel frames so desirable, while offering additional benefits such as improved thermal efficiency, lower maintenance, and enhanced durability.

Understanding Article 4 Directions and Window Replacement

If you’re planning to replace windows on a property affected by an Article 4 Direction, it’s essential to understand how these additional planning controls may impact your project.

Often introduced in conservation areas, Article 4 Directions remove certain permitted development rights—meaning even minor changes, such as replacing windows or altering materials, can require formal approval.

What Conservation Officers Actually Look For in Replacement Windows

Replacing windows in a conservation area or listed property can feel confusing.

Many homeowners assume they simply need “heritage-style windows” to gain approval — but conservation officers usually assess far more than appearance alone.

Understanding what conservation officers look for before ordering new windows can save time, money, and costly redesigns

The Buyers Guide to French Doors

Add a Certain ‘Je Ne Sais Quoi’ With Stylish French Doors
 

The Buyers Guide to Bi-Fold Doors

Your Questions Answered
Making the best bi-fold door choices for your home

The Buyers Guide to Sliding Doors

Your Questions Answered
Making the best sliding door choices for your home

Floor To Ceiling Windows

What to consider when choosing floor to ceiling windows

Upgrade your space with custom floor-to-ceiling windows.
 
 
 
 
 

uPVC vs Aluminium Windows: Choosing the Best Option for Your Home

Choosing new windows is a big decision for any homeowner.

In this guide, we’ll compare uPVC vs aluminium windows to help you decide which option is best for your home.

Are Aluminium Windows Better Than Timber?

Choosing the right material for new windows is an important decision when renovating or building a home. Two of the most popular options are aluminium windows and timber windows.

Both materials offer benefits, but they differ in maintenance, durability, cost, appearance, and performance.

Top 10 Mistakes When Buying New Windows (UK Homeowner Guide)

Discover the top 10 mistakes UK homeowners make and how to choose the right windows for your home.

Buying new windows is a major investment—but many homeowners make avoidable mistakes that lead to poor performance, higher costs, and long-term frustration.

In this guide, we break down the top 10 mistakes when buying new windows and doors in the UK, and how to avoid them.

Bi-Fold vs Sliding Doors – Which Are Better?

Choosing between bi-fold and sliding doors is one of the biggest decisions when upgrading your home or planning an extension.

Both options look great—but they offer very different benefits when it comes to space, light, cost, and everyday use.

In this guide, we’ll break down the key differences between bi-fold and sliding doors, so you can confidently decide which is the best fit for your home.

Help Guide: Industrial Style Aluminium Windows and Doors Explained

This guide explains what industrial style aluminium windows and doors are, their key features, benefits, and why they have become such a popular choice for modern homes, extensions, and renovations.

Industrial style aluminium windows and doors have become one of the most popular architectural trends in modern home design.
 

How Much Do Aluminium Windows & Doors Cost in the UK?

When researching new windows or doors, one of the biggest frustrations homeowners face is unclear pricing.

Discover the real cost of new windows and doors in the UK. Learn what affects pricing, typical ranges, and how to avoid hidden costs.

Which Home Improvements Could Add Value to Your Property?

When you’re improving your home, it makes sense to think beyond how it looks today. The right upgrades can make your property warmer, brighter and more enjoyable to live in while also making it more attractive to potential buyers in the future.

Installation Help Guide

This page explains the recommended process for surveying, measuring, installing, sealing, glazing and commissioning aluminium windows and doors.

Following these guidelines helps ensure your products are installed safely, perform correctly and provide long-term durability.

Prestige Bifold Door Installation Guide

Your step-by-step guide to installing the Prestige Bifolding Door.
 
 
 

Visofold 1000 Bi Fold Fitting Guide

Your step-by-step guide to installing the Visofold Bifolding Door.
 
 
 
 

Installing the award winning S1 Roof Lantern

Step-by-step guide to installing the award winning S1 Roof Lantern.
 

Prestige Lift and Slide Patio Door Installation Guide

Your step-by-step guide to installing the Prestige Sliding Patio Door.
 

How to Measure Windows for Replacement

Replacing your windows can improve energy efficiency, reduce draughts, and modernise your home.

But before ordering new windows, it’s important to measure the existing openings correctly.

The Buyers Guide to Understanding Building Regulations

What are the Building Regulations for windows and doors?

All Marlin products strictly adhere to these regulations!
 
 
 
 
 
 
 

Thermal Performance Explained

Aluminium windows are known for their strength, slim sightlines, and both period and modern appearance — but one of the most important factors homeowners should understand is thermal performance. Good thermal performance helps keep homes warmer in winter, cooler in summer, and more energy efficient all year round.

This guide explains how aluminium window thermal performance works, what the key terms mean, and what to look for when choosing high-performance aluminium windows.

How To: Low & Flush Thresholds

Your detailed guide to getting the fabulous seamless appearance of a flush threshold.
Marlin experts liaise with you at the concept and early planning stages so that every detail is accounted for to make sure that everything is fully considered and nothing is overlooked.
 
 

Maintenance and Care of your Windows and Doors – Help Guide

Proper maintenance and care of installed windows and doors are essential to ensure long-term performance, safety, and appearance.

Regular inspection and basic upkeep will help prevent damage, maintain smooth operation, and extend the lifespan of the product.

Impact Safety Windows and Doors

Toughened and laminated glazing with impact safety, security, soundproofing and heat retaining qualities.
 
 
 
 
 
 

Understanding The Jargon

Here’s a brief guide to some of the common terminology and considerations that you may come across as you select your new windows and doors.