Extra £100 off any new order placed when you book a showroom appointment

Extra £100 off any new order when you book an appointment

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Why move when you can improve? Visit our Great Amwell showroom at the Van Hage Garden Centre in Hertfordshire to see our extensive display of window, door and conservatory products.

What to expect from your SEHBAC Showroom Appointment

Plan Your Visit

Experience your local double glazing show centre, right in the heart of Hertfordshire!

Showroom Facilities


Disabled Access

Air Conditioned

Free Parking

Expert Advice

Child Friendly

Local Amenities

Ventura Wildlife Park is home to a variety of animals. Make it a day trip and take the family to explore the safari.

Amwell Nature Reserve is the perfect spot to get some fresh air and take a nature walk.

Whether it's a pub lunch, Thai food or fish and chips; the high street caters to everyone's favourite food.

Areas We Serve

Our home improvements show centre at the Great Amwell Van Hage Garden Centre is perfectly located for homeowners across the county of Hertfordshire. We commonly have visitors from nearby towns like Hertford, Waterford, Crouchfields, Chapmore End, Tonwell, Stevenage and Bayfordbury.


On the A1170 which runs through Amwell, our double glazing show centre is easily located. You'll find the junction just off of the A10 or A411, depending on the direction you are travelling in around Hertfordshire.


Van Hage

Pepper Hill

Great Amwell


SG12 9RP

Get Directions

Bespoke home improvements for Hertfordshire homes

Although Great Amwell isn’t too far from larger towns like Stevenage, Hatfield and Barnet, it’s in the heart of the Hertfordshire countryside. It boasts scenic lakes, vast areas of green space and secluded woods making it a picture-perfect village.

Take a visit to our SEH double glazing show centre to get a feel for our products, including conservatories, replacement windows and new front doors. Our home improvement experts will be able to provide specialist expertise for our product range and provide niche advice for you and your home.

Popular products in Great Amwell

As leading installers in the local area, we’ve seen some common patterns of popular home improvement requests in the Great Amwell area. This includes casement windows, composite doors, and bespoke conservatory extensions.

Traditional style windows with authentic flush sash

Home styles in Great Amwell

The quaint village of Great Amwell has a variety of property styles, ranging from modern new-builds to heritage-listed properties and countryside cottages. That’s why our home improvement range caters to even the most niche preferences.

Rows of Edwardian era homes
  • Windows
  • Doors
  • Conservatories
  • Home extensions
  • Glazing
  • Prices
  • Windows

    Windows in Great Amwell

    With such a range of properties in the local area of Great Amwell, it’s no wonder that we offer 5 window styles in 2 materials; uPVC and aluminium in our window showroom in Van Hage.

    Our collection of replacement windows offers a range of customisation options. There is a plethora of colours, decorative glazing options and furniture elements to add the finishing touches to your new windows.

    Read more about our Windows
    Aluminium Casement Windows


    Doors in Great Amwell

    At our Great Amwell double glazing show centre you can find examples of a range of front and back door styles. Whether it be sleek bi-fold doors, elegant French doors or a modern front door, visiting the show centre is sure to inspire your home improvement project in Van Hage and Hertfordshire.

    Our range of front and back replacement doors are available in uPVC, aluminium or composite. They’re custom-designed down to the finest details, so you’ll be able to choose the final touches to inject your personality into the design of your new door.

    Read more about our Doors
    Origin Bifold Door


    Conservatories in Great Amwell

    If you’re in need of additional living space for your Great Amwell home, a conservatory is the perfect solution. We have 8 versatile styles to choose from in 2 materials, uPVC and aluminium. As they are made-to-measure, we can incorporate either a tiled, glass or solid roof, and even a roof lantern to add a bespoke touch to your SEH glass extension.

    With a wealth of experience in conservatory design and installation, we’re leading experts who you can trust. Take a visit to our Van Hage garden centre conservatory showroom to find out why we won the prestigious Conservatory & Orangery Installation of the Year Award in 2019.

    Read more about our Conservatories
    A Green Aluminium Conservatory

    Home extensions

    Home extensions in Great Amwell

    If a conservatory extension isn’t for you, a home extension is an excellent alternative. You’ll benefit from a new living area that can serve any purpose, including a home office, living room or dining room.

    They can be designed in 2 extension materials, uPVC and aluminium, and can include any of our high-performance roofing systems and SEH windows and doors. A home extension from us will transform the way you use your home, whilst adding property value.

    Read more about our Conservatories
    Single storey extension interior view


    Double glazing in Great Amwell

    Old and non-performing glazed products are one of the top causes of heat loss. Not only does this heighten your energy bills but it will also negatively impact your property’s carbon footprint as more energy is required to warm your Hertfordshire home. With our high-performance double glazing and comfort glass products, you’ll benefit from A+ energy ratings and low U-values, meaning you could save up to £110 a year on your heating bills.

    Our EcoMAX Glass™️ comes as standard. One of the most sustainable and eco-friendly glass unit on the market, it easily matches any A or A+ rated unit for insulation and has comparable solar control properties. For noisy and busy areas of Essex, as well as homes looking to reduce energy bills even further, Comfort Glass is a great option. And with a fantastic range of home improvement finance packages to choose from, SEH BAC products are a viable possibility for a wide range of budgets and lifestyles.

    Read more about our Door Glazing
    Yellow stone house with chartwell green uPVC casement windows


    Double glazing window prices

    At SEH BAC, we price all of our replacement double glazing products competitively. The cost of every new window, door and conservatory price is unique to each project as it is based on a number of factors, including the material, size and any additional extras.

    We offer transparent double glazing prices, so you can have peace of mind that they include every step of the buying process. This includes bespoke designs, manufacturing, installation and our dedicated aftercare services. Our prices also include insurance backed 10-year guarantees, product warranties and FENSA certifications.

    Double glazed window prices
    Large stone house in Ipswich with new double glazing

    Begin Your Project

    Get your free quote – with no-obligation to buy. Simply fill in the form below to get started:

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      Get inspired with our product brochures

      Ready to make your dream home a reality but don’t know where to start? Find all the inspiration you need.

      Download a brochure
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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
      Learn more

      We’re one of the largest

      regional retail companies

      Vetted for professionalism, competency & compliancy

      Our Accreditations

      BSI ISO 9001:2015
      BS 7412
      FENSA Approved
      TSI Approved Code
      Ultra Installer
      QA National Warranties