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Quality Windows, Doors & Architectural Glazing
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FENSA Registered Company
FENSA stands for the Fenestration Self Assessment Scheme. Fensa has been set up by the Glass and Glazing Federation (GGF) in response to Building regulations for double glazing companies in England and Wales. Shield is a Fensa double glazing registered company which means all our customers are offered greater protection when purchasing double glazing for their home. All our installations comply with the current building regulations and our installers have undergone inspection so we can self certify that our work passes building regulations. On completion of work, a FENSA certificate is issued to the homeowner which needs to be kept safe as it will be requested by solicitors when you come to sell your home. The certificate offers guarantee to cover the costs of completing rectification work in respect of defect.
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Secondary Glazing vs Full Window Replacement: What's Right for Your London Home?
Full window replacement isn't always the right — or only — option, particularly for listed buildings or homeowners not yet ready for the investment. Secondary glazing offers a genuine alternative worth understanding. What Is Secondary Glazing? Secondary glazing involves fitting an additional, independent window on the inside of your existing window, rather than replacing the original frame. This creates an insulating air gap between the original window and the new secondary p
amarinder jaiswal
16 hours ago2 min read
Flush Casement Windows: The Modern Classic for London Homes
Flush casement windows have become one of the most requested styles across London in recent years, striking a balance between traditional character and clean, modern lines. Here's why they've grown so popular. What Makes a Window "Flush Casement"? Unlike a standard casement window, where the opening sash sits proud of the surrounding frame, a flush casement window sits level with the outer frame when closed, creating a smooth, uninterrupted appearance. This subtle difference
amarinder jaiswal
Aug 272 min read
Tilt and Turn Windows Explained: Are They Right for Your London Property?
Tilt and turn windows offer a level of flexibility that standard casement windows don't, which is why they've become a popular choice for London flats, upper-storey rooms, and busy households. Here's what makes them different. What Are Tilt and Turn Windows? A tilt and turn window operates in two ways from a single handle: tilted inward from the top for secure background ventilation, or turned fully inward on a side hinge for full opening and easy cleaning access. This dual f
amarinder jaiswal
Aug 262 min read
French Doors vs Sliding Patio Doors: Which Suits Your London Home?
Not every garden or courtyard needs a full bifold set. For many London homes, French doors or sliding patio doors offer a simpler, equally effective way to connect indoor and outdoor space. Here's how they compare. French Doors French doors open outward (or inward) on hinges, much like a traditional pair of doors, giving a classic, symmetrical look that suits both period and contemporary properties. They tend to work particularly well where you want a strong focal point on a
amarinder jaiswal
Aug 222 min read
Signs It's Time to Replace Your Windows: A London Homeowner's Checklist
It's not always obvious when windows have reached the end of their useful life — problems often creep in gradually. Here's a practical checklist to help you decide if it's time to consider replacement. 1. Draughts You Can Feel If you can feel a draught around the frame, even with the window closed, this usually points to worn seals, warped frames, or a failing structure that's no longer keeping weather out effectively — one of the clearest signs replacement is worth consideri
amarinder jaiswal
Aug 12 min read
Commercial Glazing: What London Businesses Need to Know About Aluminium Windows and Doors
Commercial premises have different demands from residential glazing — durability, security, and appearance all matter, often at a larger scale. Here's what London businesses should consider. Why Aluminium Is the Standard Choice for Commercial Glazing Aluminium is the dominant material for commercial windows and doors, and for good reason. It offers the structural strength needed for larger glazed openings and shopfronts, a clean, professional appearance suited to offices and
amarinder jaiswal
Jul 312 min read
Self-Build Projects in London: A Glazing Guide From Planning to Installation
Glazing plays a huge role in how a self-build home performs, looks, and feels to live in — and getting it right requires earlier planning than many self-builders expect. Here's a practical guide to specifying windows and doors for your project. Why Glazing Decisions Need to Happen Early Unlike a straightforward window replacement, self-build glazing needs to be considered at the design stage, not after the shell of the building is complete. Window and door positions affect st
amarinder jaiswal
Jul 302 min read
Noise Reduction: Best Windows and Doors for Homes on Busy London Roads
If your home sits on a busy London road, near a train line, or under a flight path, noise is likely a daily frustration. The good news is that modern glazing can make a significant difference — here's what actually helps. Why Standard Double Glazing Isn't Always Enough Standard double glazing does reduce noise compared to single glazing, but it's primarily designed and specified for thermal performance, not acoustic performance. For homes exposed to significant traffic or tra
amarinder jaiswal
Jul 292 min read
Internal Doors: How to Choose the Right Style for an Open-Plan London Home
Internal doors are often an afterthought in renovation projects, but the right choice can make a real difference to how light and space move through your home — particularly in the increasingly popular open-plan layouts common across London renovations. Why Internal Door Choice Matters More in Open-Plan Homes When walls come down to create open-plan kitchen-diners or knocked-through living spaces, the remaining internal doors take on a more prominent visual role. A poorly cho
amarinder jaiswal
Jul 282 min read
Choosing the Right Entrance Door: Aluminium vs Timber vs Wood-Effect uPVC
Your front door does more than open and close — it's the first impression of your home and a key part of your property's security. Here's how the three main material options compare. Aluminium Entrance Doors Aluminium entrance doors offer a strong, contemporary look with slim sightlines and excellent durability. They resist warping and corrosion well, making them a low-maintenance option that holds its appearance for years. Aluminium doors also typically offer robust security
amarinder jaiswal
Jul 272 min read
Roof Lanterns: Are They Worth It for Your London Extension?
Roof lanterns have become a signature feature of London's rear and side-return extensions, bringing dramatically more natural light into kitchen-diners and open-plan spaces. Here's what to know before adding one to your project. What Is a Roof Lantern? A roof lantern is a raised, multi-sided glazed structure fitted into a flat roof, typically finished in aluminium for strength and slim sightlines. Unlike a flat rooflight, a lantern's pitched design allows light to enter from
amarinder jaiswal
Jul 262 min read
Sash Windows for Period London Properties: Timber vs Timber-Alternative
Sash windows are one of the defining features of London's Victorian and Edwardian housing stock. If yours need replacing, here's what to consider before choosing a new set. Why Sash Windows Matter for London's Period Homes Original sash windows contribute enormously to the character of terraced and semi-detached properties across boroughs like Islington, Wandsworth, and Greenwich. Replacing them isn't just a functional decision — getting the proportions, glazing bars, and fin
amarinder jaiswal
Jul 252 min read
Timber Windows vs Timber-Alternative Windows: What's the Difference?
For homeowners who want the classic look of timber windows, there are now two distinct paths: genuine timber, or timber-alternative systems designed to replicate the look without some of the drawbacks. Here's how they compare. What Are Timber-Alternative Windows? Timber-alternative windows are engineered from materials such as high-performance uPVC or composite profiles, designed specifically to replicate the proportions, glazing bar detail, and finish of traditional timber w
amarinder jaiswal
Jul 242 min read
Composite Windows Explained: Aluminium-Clad Timber for London Homes
If you love the look of timber windows but don't want the maintenance that comes with them, composite windows might be the answer. Here's what they are and why they've become a popular choice across London. What Are Composite Windows? Composite windows combine two materials: a timber frame on the inside, and an aluminium or uPVC cladding on the outside. This gives you the warmth and character of real wood inside your home, while the exterior is protected by a low-maintenance,
amarinder jaiswal
Jul 232 min read
Aluminium Windows and Doors: How Much Can They Cut Your Energy Bills?
With energy costs remaining a major concern for households across London, many homeowners are looking at window and door replacements as a practical way to reduce heat loss and lower bills. Here's what actually makes a difference. Where Homes Lose Heat Windows and doors are among the most significant sources of heat loss in older properties, particularly in London's period housing stock, where original single-glazed windows or ageing double glazing are still common. Draughts
amarinder jaiswal
Jul 222 min read
Best Aluminium Bifold and Sliding Doors for Small London Gardens
London gardens are famously compact, but the right glazing can make a small outdoor space feel far bigger and better connected to your home. Here's how to choose between bifold and sliding doors when space is limited. Why Door Choice Matters More With a Small Garden When garden space is at a premium, every inch of usable area counts. The wrong door style can eat into that space when open, restrict furniture placement, or simply not suit the proportions of a compact plot. Gett
amarinder jaiswal
Jul 212 min read
Do You Need Planning Permission for Aluminium Windows or Doors in London?
One of the most common questions we hear from London homeowners is whether they need planning permission before replacing windows or doors. The answer depends on your property type and location — here's a clear breakdown. Standard Residential Properties For most homeowners, replacing windows and doors falls under "permitted development" and does not require planning permission, provided the new installation is a similar style, doesn't significantly alter the building's extern
amarinder jaiswal
Jul 202 min read
FENSA Certificates Explained: What London Homeowners Need to Know Before Replacing Windows
If you're planning to replace windows or doors in your London home, you've likely seen the term "FENSA registered" mentioned by installers. Here's what it actually means, and why it matters more than most homeowners realise. What Is FENSA? FENSA stands for the Fenestration Self-Assessment Scheme. It was established by the Glass and Glazing Federation in response to building regulations covering window and door replacements in England and Wales. In short, it's a government-aut
amarinder jaiswal
Jul 192 min read
uPVC vs Aluminium Bifold Doors: Which Suits Your London Garden Extension?
Garden extensions have become one of the most popular home improvements across London, and bifold doors are almost always part of the plan. If you're deciding between aluminium and uPVC for your new opening, here's what to consider. Why Bifold Doors Suit London Extensions Bifold doors fold back completely, opening up your kitchen, dining room, or living space directly onto the garden. For London homes — where garden space is often limited — this creates the feeling of a much
amarinder jaiswal
Jul 182 min read
How Much Do Aluminium Windows Cost in London? 2026 Price Guide
One of the first questions we're asked by homeowners across London is simple: "What will this actually cost me?" While every quote depends on your specific property, here's a realistic guide to help you budget for aluminium windows in 2026. Average Aluminium Window Prices As a rough guide, based on standard installations across London and Essex: Small single window (casement): typically the entry point for aluminium glazing Medium/standard window: a moderate step up from uPVC
amarinder jaiswal
Jul 172 min read
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