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DOORS BY HARP

  • Timber-effect front doors
  • Aluminium front doors
  • Stylish bifolding sliding doors
  • Sliding patio doors
  • French doors
  • Residential back and side doors

Our range of doors is unsurpassed and we believe we offer the very best in design and manufacturing excellence. By using the latest modern materials, our long lasting highly durable doors need very little maintenance, boast excellent thermal and soundproofing properties and extremely efficient security features. The perfect solution for any home. Click on the headings below to find out more.

Our range of high specification composite, uPVC and aluminium front doors will compliment any home with the look of a real timber door, but with all the added weatherproofing and security benefits. Our new range of Origin Global aluminium front doors provide a stylish and contemporary option for your home, whilst our composite doors combine the look, sound and feel of traditional painted timber doors with modern materials, processes and workmanship and deliver the security, durability, insulation and stylish finish homeowners expect today.

We install doors from trusted manufacturers such as Visage, The English Door Company, Origin Global and Gerda. Doors are available in both traditional and contemporary styles across the ranges and in a wide choice of colours, woodgrain finishes and glass options.

See our entire range of front door brochures on our brochures and videos page

Visage Composite Front Doors

With no less than 31 door styles available in 13 different colours, exclusive glass designs and many stunning design options from heritage to contemporary, we are confident you will discover your new front door from our Visage range. Incorporating high security features such as endurance tested hinges, hardened hookbolts, one of the strongest centre deadbolts on the market, our Visage composite doors are your stylish answer to keeping your home secure. And for those finishing touches, you’ll find style is backed up by strength too, with 24mm toughened sealed units in an enviable range of beautiful glass designs, and door furniture available in six different finishes, including chrome, gold, black, white, satin, bronze and rustic black, for every possible style of door.

750 visage doors

The English Door Company

Our premium range of doors, we are proud to be a carefully selected partner of The English Door Company.

Manufacturing top specification doors in both traditional and cottage style, they maintain the look and feel of traditional wood but have all the advantages of state-of-the-art modern technology. Handcrafted and tailor-made from only the finest materials, these doors offer outstanding energy saving, exceptional weather proofing and unequalled low maintenance. Each and every door is totally unique, not only is each one made to your exact size requirements, every aspect from the design, colour and glazing, down to the detail of the door furniture is chosen by you. A true bespoke piece.

Download the latest English Door Company brochure here.

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Aluminium front doors by Origin Global

The Origin Front Door is a precision-driven, expertly engineered object of beauty. Providing the ultimate combination of advanced security, tasteful aesthetics and thermal efficiency, the Origin Front Door boasts the additional benefit of being exclusively manufactured in the UK by our highly trained craftspeople using only premium-grade aluminium. It has been designed with heightened protection in mind – from ultra-safe locking systems to different barrel choices and a range of additional security features, including tamper-proof barrels, 5-point and 8-point automatic locking systems.

Available in a huge range of 10 stunning panel choices, 150 different RAL colours, contemporary and traditional styles, it’s completely bespoke, enabling you to create a personal statement with ease; because first impressions matter.

750 Origin ali doors

Download the latest brochure for our Origin aluminium front doors here.

Gerda residential front doors in aluminium and steel

Beautifully styled in contemporary cutting edge designs, we are very excited to introduce our Gerda range of doors to our Watford showroom. Since 1987, Gerda have established themselves as a market leader in door production and offer a comprehensive range of entranceway solutions. Their mission has always been to fulfil customers’ expectations with the most innovative products and hardware.

Offering four stunning ranges of entrance doors – Optima, Thermo Prime, Thermo Premium and Altus – within each of these ranges are dozens of configuration and design possibilities. With customisable hardware and colours as well, you can create truly bespoke doors with Gerda.

Gerda residential doors consistently deliver in ease of operation, durability and security, without compromise. Manufactured using a combination of aluminium and steel, Gerda residential doors are a cut above the competition in both looks and style and are energy efficient, recyclable and fully manufactured here in Europe. They are the ideal carbon neutral solution for the modern home.


Visit our Gerda Doors installer page here and download all the latest brochures for our Gerda front doors here.

Origin bifold doors

Transform your living space with a bifold sliding door and open up a multitude of possibilities in your home. No other item in your home can transform your living space, break down the barriers between inside and out and bring gorgeous sunlight flooding into your home. We have partnered with market leader Origin Global, the manufacturers of the Easifold aluminium bifolding door to bring you a whole new way of living:

  • New ultra slim 49mm aluminium frame delivers more light, better views and improved U values,
  • Bespoke five point locking system, security hinges and shoot bolts,
  • 3 Star Diamond cylinder and PAS 24 as standard on our OB-49 doors,
  • Certified severe weather rated and thermal performance,
  • Bespoke “finger-safe” door gaskets eliminates any worry of trapped small fingers,
  • Unmatched 20 year manufacturer’s guarantee.

Whether you want to replace your existing patio doors or are planning a new project, our folding sliding doors will add versatility and style making socialising and entertaining more pleasurable. Your doors will be an admired feature of your home and with a great choice in colours and finishes your home will instantly be unique. Recognised as setting the benchmark in both design and technology, Origin bifold doors are used throughout the world in all climates and weathers. It’s therefore no surprise that they not only meet, but exceeded the building regulations for thermal efficiency.

See our bifold installations in our photo gallery and download our Origin bifold brochures on our brochures page.

Stunning 6-panel bifold door in agate grey installed by Harp.

Stunning 6-panel bifold door in agate grey installed by Harp.

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Origin bifold doors in dual colour black and white installed by Harp.

The new Origin SOHO Collection: industrial style design with unparalleled performance

The exciting new steel-look Origin OB-36+ door is available as either a bifold door or French doors. With slim sightlines of just 36mm, they are the perfect partner to our Origin internal doors. Boasting a unique locking system, SOHO doors offer PAS24 security as standard and are Secured by Design accredited. Manufactured bespoke to each customer, you can create your own individual look – choose more glazing bars to provide a heritage-style design, or opt for less, creating a more industrial and minimalist look. Available in up to 150 RAL colours with a stunning selection of colour co-ordinated accessories, the SOHO external steel-look door is an expression of sophistication, style and security in every home that it graces.

The Origin SOHO door as a French door.

The Origin SOHO door as a 3-panel bifold door.

Origin sliding patio doors

Boasting ultra-slim sightlines of just 20mm, the Origin Artisan Slider OS-20 is a structurally bonded system made from premium grade aluminium, which is able to accommodate incredibly large glass expanses, without compromising on security. It’s stunning in every way.

The Origin OS20 aluminium sliding door.

The Origin OS20 aluminium sliding door.

The Origin OS20 installed by Harp

Whether you are looking to complement an ultra-modern new build or replace an existing door set, our Origin sliding door is perfect for bringing an injection of effortless elegance into the home, and is guaranteed to stand the test of time. The classic design lends itself to both contemporary and traditional homes and as it’s completely bespoke, it can be tailored to coordinate with your taste and any style of property. Download our Origin Sliding Doors brochure on our brochures and videos page to discover more.

Aluk premium sliding patio doors

Aluk’s sliding door systems are the perfect solution for stylish homes that want to bring the outside in. Tried and tested to exceed many standards, including severe exposure categories for weather tightness.The Aluk BSC94 premium sliding door system is available in single, double and triple track options, and a full range of colours and finishes (including polyester powder coating and anodised). Outstanding thermal performance and the highest quality fittings ensure reliable and comfortable operation. We have one of these beauties on display in our St Albans Road Watford showroom and you can download our Aluk brochure on our brochures page.

Aluk premium patio door in aluminium.

uPVC back doors

Ideal for porches, kitchens, utility rooms and rear access, our uPVC residential doors include a fully welded frame, corrosion resistant fixings, stainless steel multi point locks for smooth and consistent operation and galvanised steel reinforcement used where necessary for extra strength. Available fully glazed, or glazed with a midrail, or glazed with a panel to the lower section, and now in our range of woodgrain foils to suit. Catflap friendly too!

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Rehau uPVC residential door combinations in Irish Oak woodgrain foil (left) and smooth white. Installed by Harp.

uPVC French doors

With the same specifications as our residential doors, Rehau French doors add a graceful and luxurious touch to any home or conservatory. Available in a choice of white and coloured woodgrain foil finishes.

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Rehau uPVC French door combinations installed by Harp.

uPVC sliding patio doors

Our uPVC sliding patio doors are perfect for modern living, combining superior design and engineering to bring outstanding versatility and create a feeling of openness in any home. The sliding door offers slim sightlines, thereby adding light and freedom and is ideal as a traditional patio door, entrance door or a door leading to a conservatory. Made from high impact uPVC, the robust framework has fully welded joints with a steel reinforced outer frame and sash. Additional security is achieved with an advanced multihook locking system and shootbolt. Internal beading, an internally sliding door and an anti-lift device add further strength – neither the glass or door can be removed from the outside. Patio doors are available in a choice of smooth colours and a range of woodgrain effect foils.

Rehau uPVC patio door in black

Endorsements & Reviews

Watch Our Videos

Window unit replacement to a sash

10 Verified Review

Fantastic service from beginning to end. Local showroom in Watford with a super variety of windows and doors The fitment of the sash for my son's bedroom, best decision. Quality window and beautiful finish Paul and Miles are polite and friendly. Paul is a master at his job and Miles is super when finishing and completion. Thanks guys and thank you Harp Windows

Location: WD25September 2023

Replacement front door

10 Verified Review

All appointments on time. Advice useful when choosing design. Fitted in less time than expected.

Location: WD23August 2023

Bay Window Replacement

10 Verified Review

I have to say I have been impressed with HARP from start to finish. I was guaranteed the best price from John at the beginning, There was no hard sell or tricks, Just simple and honest. I ordered 1 window to replace my old bay which I was advised would take 6 weeks from ordering. My window arrived slightly earlier than anticipated and was fitted without delay. The fitting team worked in a clean and tidy manner, were punctual and had a great attention to detail.

Location: WD24July 2023

Supply rear door.

10 Verified Review

Excellent service, most helpful and friendly. Highly recommend.

Location: BH10May 2023

2 x casement windows

10 Verified Review

Very pleased with product and workmanship. All done with no fuss and no mess. Brilliant job. Billy even hoovered up afterwards !

Location: WD18May 2023

New windows and doors

10 Verified Review

Excellent service from both the showroom staff and the fitting team . Quality of the windows and doors is very good , and would highly recommend this company

Location: WD24April 2023

Read all 250 reviews

  • Harp Windows (Watford) Ltd
  • 91-93 St Albans Road
  • Watford
  • Hertfordshire
  • WD17 1UL

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