We offer six styles of door in three choices of material, as well as composite materials. We install great-looking, secure and well-insulated doors to enhance your home’s look and value and keep you warm and safe.

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Heat retention

Any exterior door can be a point through which heat escapes. So, choosing the right fit is an investment in more ways than one.

A door’s primary material, the total glazed area, the type and treatment of glazing, and the types of seals used during installation all determine heat retention.

At least 15% of heat loss in the home can be attributed to draughty and inefficient doors. So, as a Fensa registered company, making sure our doors are as thermally efficient as our windows is incredibly important to us. Similar to the energy rating system for windows, doors are rated A++ to E via the DSER (Door Set Energy Rating).

We've achieved this via a number of top-range technologies and features including A+ rated glass as standard, argon gas cavity infills, edged spacer bars, separate chambered uPVC door profiles combined with airtight and weatherproof designs.

Our aluminium range of doors are fitted with thermal break barriers, which effectively resist thermal energy loss; allowing us to offer some of the most thermally efficient aluminium doorsets around.

Our range of high-quality composite doors also feature both single and double rebates, for additional heat-retentive qualities.

Of course, the level of heat retention you require will be dependant on your own preferences, your home’s location and building characteristics. For more information on heat retention, material choices and glazing, please get in touch with us via a form or simply give us a call. Alternately, keep reading.

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Grey uPVC front door installation
Black uPVC sliding patio door


Once you’ve found a door that looks great at a reasonable price, there’s one thing left to consider. In the unlikely event of break-in, will it hold up?

We believe burglar-proof (or as close as can be) should be built as basic. Of course, there are always further measures. If you live in an affected area, or simply require greater peace of mind, there are many customisations possible: lock and bolt types, materials and more.

To discuss security concerns, you can get in touch via form or emails – or keep reading here.

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A range of styles

A door is a very important part of a home’s overall look. Choosing the right style and material is the difference between a look which simply clicks and one which doesn’t. Not to mention the effect on house prices.

We try to offer the widest range and give sound advice built upon 45 years in the home improvement sector. So, whether it’s a back or a front door, a bifold, French door or a piece to fit a heritage property, we’ll have something for you.

You can find great examples of our range on this site. Or you can get in touch via a form or phone call to be taken through every option.

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uPVC oak effect bifold door


Read more about our products, services and all the answers to our most frequently asked questions.

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.


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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).


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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 5 years interest free credit & buy now pay later – £99 deposit. 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.


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Areas we serve






Energy efficient doors in Suffolk

From Haverhill to Sudbury and Newmarket to Beccles, this low-lying East Anglian county offers an incredible blend of urban character mixed with quaint towns and villages to take advantage of. Our beautifully crafted sustainable timber front doors offer the ultimate wow-factor, allowing Suffolk homeowners to effectively preserve and protect their classically styled homes unique character. Even our uPVC and composite doors are finished in such a way that they possess all the qualities and warmth of wood, whilst still fitting in with older home aesthetics.

Replacement front doors in Oxfordshire

From Witney to Chipping Norton and Henley-on-Thames to Didcot, Oxfordshire holds something dear to everyone who works or resides here. Our superior heritage door range honour the long-established charisma of Oxfordshire cottages and townhouses, whilst our striking composite front doors and contemporary aluminium front doors are a popular choice amongst Oxfordshire’s modern homeowners.

Wooden doors in Buckinghamshire

From Amersham to Beaconsfield and Burnham to Chalfont St. Peter, fanciful cottages across Buckinghamshire welcome the striking aesthetics that our efficient front and external heritage doors provide. Working with two highly respected and established banks, we’re able to offer fantastic finance packages that include entrance doors of all shapes, sizes and materials. Our uPVC entrance doors are also popular in modern family homes across Buckinghamshire - no more boring plastic doors, just strong, quality and reliable entrance doors.

Handsome heritage doors in Hertfordshire

From Welwyn Garden City to Cheshunt and Hoddesdon to Bishop’s Stortford, Hertfordshire strikes the perfect balance between legacy village charm and contemporary terraced attraction that residents across the county truly cherish. Heritage Hertfordshire homeowners are making a compelling first impression, thanks to the vast array of heritage inspired front and back doors we provide, ideally united with enhanced efficiency, security and low maintenance features.

Upgrade your doors in Essex

From Rochford to Harlow and Grays to Brentwood, our far-reaching range of door styles expertly accommodate the eclectic fusion of architectural property eras that grace this diverse south east English county. More homes situated near the Essex coast are taking advantage of the draught and weather resistant qualities that uPVC and aluminium front doors present, including French doors, bi-fold doors and sliding patio doors. The plentiful numbers of listed and heritage infused buildings are inclined to sway towards our extensive range of heritage influenced doors, which wholly capturing the essence of their unique spirit.

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Buying a New Door Through SEH BAC Offers You Real Peace Of Mind

Customer promise

We have the knowledge and experience to provide you with exactly what you need. Our staff are expertly trained to guide and advise you. We offer you a 10 Year Guarantee.

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We are the largest Fensa Aproved regional retail company.

Our Accreditations

BSI ISO 9001:2015
BS 7412
Fensa Approved Installer
Celebrating 45 Years of trading
Glass and Glazing Federation
Trading Standards Institute Approved
Ultraframe Installer
The Glazing Arbitration Scheme
NHIC 2018 Winner
The Master Window & Conservatory installers association
QA National Warranties
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