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See our most frequently asked questions.

Read more about our products, services and all the answers to our most frequently asked questions. Do you have a question that we haven’t answered here? Get in touch below:

Windows

Which window material is best?

The first decision you need to make is which window material is right for your home. Your final decision will be heavily influenced by your own personal choice, budget, property appearance and building era.   Read more

How do I know if my windows need replacing?

Modern double glazing lasts at least 20 years, but there are certain tell-tale signs you need to look out for. Read more

Do I need planning permission for new windows?

Most homes are covered by permitted development, which means it’s unlikely that you’ll need to secure planning permission to install new windows. There are a few exceptions to this rule, such as bay windows and upper-floor side elevations.   Read more

How much will new windows cost?

There are many aspects to consider when purchasing new windows, such as material, thermal performance and whether it's been accredited by industry bodies to ensure it's quality. To accommodate the majority of budgets, we offer a range of comprehensive finance options, including 2 years interest free credit & buy now pay later. Find more information on double glazed window prices here.

What is A rated double glazing?

Energy efficient home improvements are incredibly important, so if you're wondering how to tell what A rated glazing is you're not alone! Read more

How do you replace windows in an old house?

Run-down window frames can have a real impact on a property's thermal efficiency. Affecting old Victorian and Edwardian homes in particular, many homeowners are led to believe replacing windows in old houses is incredibly difficult - but it needn't be. Read more

What colours are available for uPVC windows?

Over the last 20 years or so, uPVC windows have gone from strength to strength in terms of performance and style. Not only are they incredibly energy efficient, they're also available in a variety of classic, modern and eclectic shades. Read more

Evolution vs Residence 9: Which is the best heritage windows brand?

Evolution windows and Residence 9 are two of the most well-known timber-effect heritage window brands. But which one is better and what's the difference? Read more

What are the best windows for 1930s properties?

If you're thinking about bringing a 1930s property back to its original Art Deco style, choosing the windows can be tricky. Read more

Doors

Which door material is best?

The first decision you need to make is which door material is right for your home. Security comes first, which is why we offer a vast range of uPVC, composite, timber and aluminium doors. Complete with industry-leading and highly accredited hardware, our award-winning replacement front doors hold the power to transform your home.   Read more

How do you know if you need a new door?

It can be hard to accept when your old front door needs replacing, but ignoring these early warning signs can lead to grave problems... Read more

Do I need planning permission for new doors?

Most homes are covered by permitted development, which means it’s unlikely that you’ll need to secure planning permission to install new doors. There are a few exceptions to this rule, such as homes located within conservation areas and Areas of Outstanding Natural Beauty (AONB).   Read more

How much will a new door cost?

There are many aspects to consider when purchasing a new door, such as material, style & thermal performance. To accommodate the majority of budgets, we offer a range of comprehensive finance options, including 2 years interest free credit & buy now pay later. Find more information on front door prices here.   Finance Options

Which door lasts the longest?

Doors are frequently used throughout the day, so it’s important to purchase a door that will stand the test of time. Depending on your budget and lifestyle, an authentic timber door can last a lifetime, followed by technologically advanced composite and aluminium doors. Although a well looked after uPVC door can also last a respectable amount of time.   Read more

Can you replace French doors with bifold doors?

If you're thinking about which modern home improvements are best for your home, replacing old French doors with modern bifold doors may have crossed you mind. But is it possible?... Read more

Conservatories

Do I need planning permission for a conservatory?

Most homes are covered by permitted development, which means it’s unlikely that you’ll need to secure planning permission to install a new conservatory – as long as certain criteria are met. Read more

How much will a conservatory cost?

There are many aspects to consider when purchasing a new conservatory, such as size, material and whether it's been accredited by the relevant industry bodies to ensure it's quality. To accommodate the majority of budgets, we offer a range of comprehensive finance options and conservatory prices, including 2 years interest free credit & buy now pay later. Finance Options

Does a conservatory really add value?

We all want a bit more space, which is why conservatories are one of Britain’s favourite home improvements around. Heightening a home’s kerb appeal, award-winning and high-performance conservatories from SEHBAC can increase property value’s by at least 5%, making them even better value for their price! Read more 

What can an orangery do that a conservatory can’t?

Conservatories generally welcome the outside in, acting as a sunroom due to being built mainly from glass. Orangeries feel much more like an extension of the existing property, thanks to the use of more brick and solid sections instead of glass, which allows for enhanced insulation qualities. Read more

Pitched roof vs flat roof extension – which is best?

With a variety of roofing styles to choose from, it can seem a daunting task at first. The two main choices are pitched roof and flat roofs, but which is better? Read more

How does building an extension affect my home insurance?

Before you go ahead with building a new glazed extension, there are a few questions that need to be answered first. Home insurance is an important aspect to consider. Read more

General

Do you make your own products?

No, we only offer an installation service. However, all products are rigorously tested and precision fabricated by industry leaders to meet your exact specifications.

How easy is it to get through to your Aftersales or service team if I have a problem?

Simple. Click through to our ‘Service Request’ page, fill out the form and we’ll get back to you.

Do you promise to offer value for money and long term peace of mind?

Yes, of course. Along with superb build quality, excellent service, and great installation procedures we take great care in ensuring competitive quotes and guaranteed reliability. All of our products are guaranteed for 10 years after installation.

Do you provide free, no obligation quotations?

Yes. Each quote we provide is completely free from any fees, and carries of course, no obligations with it.

Do you offer finance?

Yes, we do. For more information visit our Finance page.

Do you comply with all existing and forthcoming building regulations?

Yes, we ensure each of our products and home improvements complies with current and forthcoming building regulations.

Do you comply with energy saving regulations?

Yes, we take every effort in ensuring each product we build complies with these standards.

Do you take on commercial projects?

Yes, we do. In the past we have undertaken many education and Government projects, as well as private sector commercial projects. For more information visit our SEH Commercial website. We also take on civil engineering, joinery, surfacing, and development projects.

Do you only use your own surveyors?

Yes, we only use our own surveyors. Each of our surveyors are trained to the highest standard and can plan for any home improvement, from the simplest of roofing to the most complicated bespoke house extensions.

Can you provide self-cleaning glass?

Yes, we can.

What accreditations do you have?

SEH BAC are members of the GGF (Glass and Glazing Federation) who are a respected and well known organisation committed to ensure it’s members perform to the highest standard. We, SEH BAC, are affiliated to the Government endorsed TrustMark Scheme, which gives customer confidence with proven codes of practice in health & safety, customer care, quality of work, trading practices and customer care. SEH BAC are also regulated by FENSA (Fenestration Self-Assessment Scheme). All windows and doors must comply with FENSA thermal performance standards and regulations.

How long have you been trading?

We are proud to have been trading since 1971 — for 50 years! Throughout this time we’ve been providing quality home improvements to thousands of happy customers. If you’re thinking about improving your home, contact us to see what we can do for you.

What areas do you cover?

We cover London and the South East, but the SEH Group, of which we are a part of, covers Hertfordshire, East Anglia, South East, London and the South including Kent and Sussex.
Including
Conservatories
conservatories basildon, conservatories bicknacre, conservatories billericay, conservatories braintree, conservatories brentwood, conservatories brightlingsea, conservatories canvey-island, conservatories chigwell, conservatories essex, conservatories grays, conservatories halstead, conservatories harlow, conservatories harwich, conservatories ipswich, conservatories loughton, conservatories maldon, conservatories marks-tey, conservatories rayleigh, conservatories rochford, conservatories romford, conservatories saffron-walden, conservatories solid-roof, conservatories southend, conservatories stanford-le-hope, conservatories wickford, conservatories witham

Composite Doors
composite doors basildon, composite doors bicknacre, composite doors billericay, composite doors braintree, composite doors brentwood, composite doors brightlingsea, composite doors canvey-island, composite doors chigwell, composite doors colchester, composite doors epping, composite doors capel-st-mary, composite doors chelmsford, composite doors chigwell, composite doors colchester, composite doors epping, composite doors essex, composite doors grays, composite doors halesworth, composite doors halstead, composite doors harlow, composite doors harwich, composite doors haverhill, composite doors loughton, composite doors lowestoft, composite doors maldon, composite doors marks-tey, composite doors mildenhall, composite doors newmarket, composite doors rochford, composite doors saffron-walden, composite doors southend, composite doors stanford-le-hope, composite doors stansted, composite doors stowmarket, composite doors sudbury, composite doors suffolk, composite doors thundersley, composite doors wickford, composite doors witham, composite doors woodbridge

Fitted composite front doors
Fitted Composite Front Doors berkshire, Fitted Composite Front Doors billericay, Fitted Composite Front Doors braintree, Fitted Composite Front Doors chelmsford, Fitted Composite Front Doors chelsham, Fitted Composite Front Doors chesham, Fitted Composite Front Doors essex, Fitted Composite Front Doors harlow, Fitted Composite Front Doors hertfordshire, Fitted Composite Front Doors ipswich, Fitted Composite Front Doors kent, Fitted Composite Front Doors romford, Fitted Composite Front Doors southend-on-sea, Fitted Composite Front Doors suffolk, Fitted Composite Front Doors woodbridge

Double Glazing
double glazing basildon, double glazing billericay, double glazing braintree, double glazing chesham, double glazing essex, double glazing harlow, double glazing hertfordshire, double glazing chelmsford, double glazing ipswich, double glazing romford, double glazing southend, double glazing suffolk, double glazing woodbridge

Aluminium Windows
aluminium windows braintree, aluminium windows colchester

Window Fitters
window fitters billericay, window fitters braintree, window fitters chelmsford, window fitters chelsham, window fitters colchester, window fitters essex, window fitters harlow, window fitters hertfordshire, window fitters ipswich, window fitters romford, window fitters southend-on-sea, window fitters suffolk, window fitters woodbridge

Windows
windows essex, Windows Dagenham, Windows Sudbury, Windows Marks Tey, Windows Warlingham, Windows Chelmsford, Windows Barking, Windows Stowmarket
Windows Great Amwell, Windows Ilford, Windows Romford, Windows Rayleigh, Windows Colchester, Windows Ipswich, Windows Bicknacre, Windows Chigwell, Windows Capel St. Mary, Windows Maldon, Windows Lowestoft, Windows Haverhill, Windows Woodbridge, Windows Mildenhall, Windows Halstead, Windows Newmarket, Windows Basildon, Windows Harlow, Windows Brightlingsea, Windows Brentwood, Windows Saffron Walden, Windows Braintree, Windows Wickford, Windows Canvey Island, Windows Stanford-le-Hope, Windows Witham, Windows Grays, Windows Harwich, Windows Stortford

Doors
doors essex

Bifold Doors
Bi-Fold Sudbury, Bi-Fold Great Amwell
Bi-Fold Ipswich, Bi-Fold, Bi-Fold Hertfordshire, Bi-Fold Warlingham, Bi-Fold Bicknacre, Bi-Fold Newmarket, Bi-Fold Lowestoft, Bi-Fold Marks Tey, Bi-Fold Woodbridge, Bi-Fold Mildenhall, Bi-Fold Stowmarket, Bi-Fold Rayleigh, Bi-Fold Capel St. Mary

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    Multi-award winning company

    Here at SEH BAC, we’re proud to have won many prestigious awards for our products as well as our work in the community:

    Installer awards 2022
    G21 Finalist
    SEHBAC showroom winner
    Ultraframe designer winner
    Conservatory and orangery awards winner 2019
    NHIC 2018 Consumer confidence award
    G17 Installer of the year
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    PNG Image of Fensa approved logo

    We’re one of the largest

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    regional retail companies

    Trustmark logo
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    Vetted for professionalism, competency & compliancy

    Our Accreditations

    FENSA Approved
    GGF
    TSI Approved Code
    Ultra Installer
    TGAS
    Trustmark
    QA National Warranties