The Heritage Window Company

Name

The Heritage Window Company

Legal name

The Heritage Window Company Limited

Website

https://theheritagewindowcompany.co.uk

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Aluminium windows and doors manufacturing

NAICS

Metal Window and Door Manufacturing (332321), Ornamental and Architectural Metal Products Manufacturing (33232)

SIC

Metal Doors, Sash, Frames, Moldings & Trim (3442)

akta.pro primary industry

Windows (IMADAIAC)

Keywords

• Aluminium windows
• Aluminium doors
• Heritage windows
• Bi-fold doors
• Secondary glazing

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices3 records

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Aluminium Windows and Doors (Product Sales): One-time purchase of bespoke aluminium windows and doors manufactured to customer specifications. Products include slimline windows, conservation range windows, curved/shaped windows, sash windows, front doors, patio doors, bi-fold doors, and internal glass partitions.
2. Installation Services: In-house installation team provides full-service fitting of all products. Installation is included as part of the overall project, handled by trusted craftsmen.
3. Ancillaries and Accessories: Supporting products including window handles (Monkey Tail and Heritage styles), window hinges (projecting, child restrictor, butt, fire egress, easy-clean), door handles, peg stays, and custom ancillaries. Sold alongside main products.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

The Heritage Window Company designs, manufactures, and installs bespoke slimline aluminium windows and doors, with a specialisation in heritage-style aesthetics for period and listed properties. Its portfolio includes slimline aluminium windows, the Benenden Conservation Range replicating traditional steel windows, curved and shaped windows, sash windows, front/patio/bi-fold doors, internal glass partitions, and secondary glazing systems, all customisable in over 200 RAL colours and backed by a 10-year IWA/FENSA guarantee.

Product overview

The Heritage Window Company offers a portfolio of bespoke aluminium windows and doors manufactured in the UK, with complementary secondary glazing and internal glass partition solutions. The core product lines include Aluminium Windows (featuring Slimline, Conservation/Benenden Range, Curved, Shaped, and Sash variants) and Aluminium Doors (encompassing Front Doors, Patio Doors, and Bi-Fold Doors). These are complemented by Internal Glass Partitions for interior space division and Secondary Glazing with multiple unit types (Horizontal Slider, Vertical Slider, Hinged, Lift-Out, Fixed, and Bespoke Arched). The company also provides a full range of ancillaries including Window Handles, Door Handles, Window Hinges, and Door Peg Stays. All products feature over 200 RAL colour customisation options and are backed by a 10-year IWA and FENSA guarantee. Installation is handled by in-house craftsmen across the company's showrooms in London and Surrey.

Differentiator

Problem solved

Functional benefit

Products and services

• Aluminium Windows Bespoke aluminium windows manufactured in the UK, available in slimline, conservation, curved, shaped, and sash styles. Over 200 RAL colour options, double and secondary glazing, A-rated energy efficiency.
• Aluminium Doors Bespoke aluminium doors including front doors, patio doors, and bi-fold doors, made in-house with durable aluminium construction, insulation, and security features.
• Aluminium Front Doors Robust and durable aluminium front doors designed and built in Britain, featuring enhanced security, energy efficiency, and a 10-year warranty.
• Aluminium Patio Doors Stylish and durable patio doors with over 200 RAL colour options, double-glazing included as standard, slimline design with superior viewing angles and 45+ year lifespan.
• Aluminium Bi-Fold Doors Aluminium bi-folding doors featuring superior viewing angles, maximising light ingress with seamless indoor-outdoor living, available with 200+ RAL colours and bespoke ancillaries.
• Slimline Aluminium Windows Slimmest aluminium window frames available with best viewing angles, designed as a direct replacement for uPVC frames, offering maximum light intake.
• Conservation Windows (Benenden Range) Heritage-style windows designed to replicate traditional steel windows, offering aesthetic homage to period properties with modern performance.
• Curved Windows Custom-engineered curved aluminium windows ideal for art deco style properties and buildings with curved architectural features.
• Shaped Windows Engineered in-house to fit any property shape, manufactured to bespoke specifications by the company's design team.
• Sash Windows Heritage-style aluminium sash windows combining traditional aesthetics with modern aluminium benefits.
• Internal Glass Partitions Internal glass partition walls made with the slimmest aluminium frames, maximising natural light while creating distinct zones in open-plan spaces. Durable, secure, and fully customisable.
• Secondary Glazing Secondary glazing solutions for heritage properties requiring planning permission alternatives, offering thermal and acoustic insulation with over 200 RAL colour options. Includes horizontal sliders, vertical sliders, hinged units, lift-out units, fixed units, and bespoke arched units.
• Window Handles Authentic reproduction window handles including solid brass, antique bronze, nickel chrome finishes, and Monkey Tail styles for slimline aluminium windows.
• Window Hinges Wide range of operating hinges including projecting hinges, child restrictor hinges, butt hinges, and fire egress & easy clean hinges for compliance with Building Regulations.
• Door Handles Bespoke aluminium door handles crafted by the in-house design team to match or contrast door frames perfectly.
• Door Peg Stays Traditional and contemporary style peg stays for windows, available in popular styles including Monkey Tail and Heritage designs.
• In-House Installation Service Bespoke manufacturing with full in-house installation service by trusted craftsmen. Customers engage through showroom visits (Surrey), home consultations by personal agents (London), and free quote requests. Standard lead time from deposit to installation completion is 13 weeks, with a 10-year IWA and FENSA-backed guarantee.

Quantifiable outcome

• Windows can increase thermal efficiency by approximately 75% when compared to single glazing
• +2 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Origin Global: UK manufacturer of aluminium bi-fold doors, windows, and internal doors with a strong residential focus. Competes directly with THWC on slimline aluminium bi-folds and windows, including colour customisation.
• Crittall Windows: UK heritage steel and aluminium window manufacturer specialising in period properties and conservation-grade products. Direct competitor to THWC's Benenden Conservation Range and slimline heritage-style offering.
• IQ Glass: Architectural glazing specialist offering slimline aluminium-framed glass doors, sliding systems, and rooflights. Overlaps with THWC on premium slimline aluminium framings and design-led residential glazing.
• IDSystems: UK specialist in aluminium sliding doors, bi-folds, and glazing systems for residential and commercial projects. Comparable bespoke aluminium door range and South East England customer base.
• Sash Window Specialists: UK specialist manufacturer and installer of heritage-style sash windows including aluminium and timber options. Direct competitor in the period-property sash window segment THWC addresses.
• Westbury Windows & Joinery: UK manufacturer of bespoke timber and aluminium-clad heritage-style windows and doors for period properties and listed buildings. Direct competitor in the conservation/heritage replacement segment.

Broad incumbents

• Reynaers Aluminium UK: Belgian-headquartered aluminium systems supplier with a significant UK presence, serving fabricators and installers across residential and commercial markets. Competes indirectly through approved fabricator networks that produce slimline aluminium products similar to THWC's.
• Schüco UK: German global aluminium systems supplier with UK operations spanning windows, doors, and façades. Indirect competitor at the systems/specification level feeding commercial and high-end residential projects.
• AluK UK: Aluminium systems supplier with UK operations offering window, door, and curtain walling profiles to fabricators. Indirect competitor through fabricators that produce slimline aluminium products comparable to THWC's.

Regional players

• Everglade Windows: London-based aluminium window, door, and curtain wall fabricator serving South East England. Geographic and product-line overlap with THWC's London-focused operations.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/HeritageWindowC
• LinkedInlinkedin.com/company/the-heritage-window-company-limited

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about The Heritage Window Company