Kitchens - Windows - Extensions

DLJ Home Improvement have been your local Kitchen, Window and extension specialist for over 40 years. This means we can ensure you have a stress-free installation, be it an extension, kitchen or new windows. Because we have a small showroom in Knebworth (Stevenage) in Hertfordshire, we don’t have large overheads, so we can pass huge savings on to you.

Our Kitchen and window showroom have a fitted kitchen complete with our most popular quartz worktop.  We have a range of kitchen doors, and industry leading kitchen CAD software so we can bring your dream kitchen to life.

No obligation or hard selling

We pride ourselves on our quality of work, so a large proportion of our business comes from happy customers recommending us. Because of this we don’t believe in hard selling or fake discounts. We provide you with an accurate quotation so you have all the information you need to make a decision in your own time.


We believe that a happy customer is the best form of advertising. This means we endeavour to take care of every aspect of your project. from start to finish.

Covering all of Hertfordshire - Baldock – Berkhamsted - Bishop's Stortford – Borehamwood – Broxbourne – Buntingford – Bushey – Cheshunt – Harpenden – Hatfield - Hemel Hempstead – Hertford – Hitchin – Hoddesdon – Letchworth - Potters Bar – Rickmansworth – Royston – St Albans – Sawbridgeworth – Stevenage – Tring - Waltham Cross – Ware – Watford – Welwyn Garden City


DLJ Home improvement have specialised in Kitchens, Windows and Extensions for over 40 years, working in the Stevenage, Hertfordshire area. For testimonials please visit our google business page.

DLJ Home Improvement - The Home of Kitchens, windows and Extensions.
Showroom address

121 London Road
Knebworth, Stevenage

Get In Touch

Get in touch today for a free, friendly, no obligation quote.