What Victorian Sliders does

Victorian Sliders is a UK-based trade-only manufacturer of PVC-U vertical sliding sash windows, operating from a 240,000 ft² vertically integrated facility in Ammanford, Carmarthenshire. Founded in 2005 by Scot Starkey, the company is the sole producer of the ECOSlide® sash window system and self-describes as Europe's largest specialist manufacturer in the category, producing 1,750+ windows per week and serving more than 3,000 trade customers. Its proprietary ECOSlide® product line is built around a spring-balance operating mechanism with optional tilt-in cleaning, toughened glass, secured-by-design hardware, A+ BFRC energy ratings (U-values 1.3-1.4), and 30% recycled PVC-U content. The portfolio includes the standard Elegant Sash, the upgraded Flagship Window (launched July 2025 with Class 4/7A/C4 weather performance), and the Deep Bottom Rail profile (2024).

The business model is a pure trade-supply play: Victorian Sliders sells exclusively to installers, fabricators, and trade counters across the UK and Ireland, never direct to consumers, with no installation services offered. Revenue is generated from window unit sales with customisation across nine foil colours, RAL and Farrow & Ball colour matching, astragal/Georgian bars, shaped frames, and bespoke hardware. Distribution runs through six regional offices/depots (Ammanford HQ, Warrington, Harlow, Weston-super-Mare, Cumbernauld, Tullow) backed by a private delivery fleet, enabling an industry-leading 7-day standard lead time. Vertical integration — covering profile extrusion, sealed-unit production, spray-painting, profile bending, and PVC-U recycling — is the core operational differentiator and cost moat.

In December 2025 Victorian Sliders was acquired by Nasdaq Stockholm-listed Inwido AB for £60 million, generating a 3.2x return for BGF, which had invested £18M of equity across 2021 and 2023. At the time of acquisition revenue stood at £33 million, up from £19 million in 2021. The business holds ISO 9001, ISO 14001, and ISO 45001 certifications and has won three consecutive National Fenestration Awards in the Vertical Sliding Window Company category (2019-2021).

Name

Victorian Sliders

Legal name

Victorian House (Sales) Limited

Website

https://victoriansliders.co.uk

Company type

Private

Founded year

2005

Operating status

Acquired

Headcount range

251–500 employees

Short description

Victorian Sliders is a UK trade-only manufacturer of ECOSlide® PVC-U vertical sliding sash windows, operating Europe's largest specialist sash window facility in Ammanford, Wales and supplying more than 3,000 installers, fabricators, and trade counters across the UK and Ireland.

Ownership category

akta.pro rank

Product category

PVC-U Sash Window Manufacturing

akta.pro primary industry

Window & Door Frame/Sash Replacement (HSAPAJAF)

akta.pro secondary industries

Doors, Windows & Millwork Hardware Retail (Locks, Hinges, Handles) (CRAIADAJ), Sliding Door & Patio Door Repair (Rollers, Tracks, Alignment) (HSAGAEAG)

Keywords

• PVC-U sash windows
• Vertical sliding windows
• Trade window manufacturer
• Replacement sash windows
• Window fabrication

Headquarters

HQ city

Ammanford

HQ country

United Kingdom

HQ region

Europe

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Personnel, Supply Chain, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. PVC-U Sash Window Sales: Manufacture and sale of ECOSlide® PVC-U vertical sliding sash windows exclusively to trade customers including installers, fabricators, and trade counters. Products are supplied on a 'supply only' basis with no installation services offered. Revenue derived from window unit sales with customisation options including colours, foils, hardware, and glass specifications.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels5 records

Core offering

Victorian Sliders is Europe's largest specialist manufacturer of PVC-U vertical sliding sash windows, producing the proprietary ECOSlide® system from its 240,000 ft² facility in Carmarthenshire, South Wales. Operating on a supply-only, trade-only basis, the company manufactures over 1,750 sash windows per week and distributes them exclusively to installers, fabricators, and trade counters across the UK and Ireland. The company is vertically integrated, handling in-house profile extrusion, sealed unit production, spray-painting, profile bending, and PVC-U recycling.

Product overview

Victorian Sliders is a trade-only manufacturer operating a single-product portfolio centred on its ECOSlide® PVC-U vertical sliding sash window. The product is produced at a state-of-the-art 240,000 ft² facility in Ammanford, Carmarthenshire, South Wales, and is the only manufacturer of the ECOSlide® system. The core ECOSlide® sash window is complemented by the Flagship Window variant (a performance-upgraded version launched July 2025 offering Class 4 air permeability, Class 7A water tightness, and Class C4 wind resistance) and the Deep Bottom Rail profile option (launched 2024, featuring a 90mm bottom rail vs. the standard 60mm for enhanced traditional sash aesthetics). The full range is supplied exclusively to installers, fabricators, and trade counters throughout the UK and Ireland, with a 7-day standard lead time. Notable capabilities include in-house spray painting, profile bending, glass processing, and a PVC-U recycling facility. The company holds ISO 9001, ISO 14001, and ISO 45001 certifications.

Differentiator

Problem solved

Functional benefit

Brands

• ECOSlide®: Exclusive PVC-U vertical sliding sash window product range manufactured by Victorian Sliders. The leading sash window system on the market, known for energy efficiency (A+ ratings), durability, and traditional aesthetics.

Products and services

• ECOSlide® PVC-U Vertical Sliding Sash Windows Victorian Sliders' flagship PVC-U vertical sliding sash window — the only product in the portfolio. Available as the standard Elegant Sash Window and the upgraded Flagship Window variant. Achieves A+ BFRC rating, U-values from 1.4 down to 1.3, features toughened glass, spring balance operation, tilt-in cleaning, travel restrictors, and an extruded anti-jemmy bar. Customisable with 9 foil colours, RAL and Farrow and Ball colour matching, shaped frames, custom glass, astragal and Georgian bars, run-through sash horns, and exclusive hardware finishes. Secured by Design certified. Sold trade-only to installers, fabricators, and trade counters throughout the UK and Ireland.
• ECOSlide® Deep Bottom Rail Profile Option An optional profile enhancement for ECOSlide® sash windows featuring a 90mm deep bottom rail (compared to the standard 60mm) to replicate traditional timber sash proportions. Features a classic mortise-and-tenon appearance for period property authenticity. Available from a 7 working day lead time.

Quantifiable outcome

• A+ BFRC energy rating as standard (energy efficient windows reducing heating costs)
• +4 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Five partnerships are on record, tiered core, supporting and minor.

• InwidocoreStrategic or Co-development Partner · 1 December 2025Inwido AB (Nasdaq Stockholm-listed European window manufacturer) acquired Victorian Sliders in December 2025 for £60m. The acquisition represents Inwido's entry into the UK market as part of its strategy to reach SEK 20 billion in turnover by 2030. Victorian Sliders became part of Inwido's portfolio alongside Fast Frame (UK) as the company expanded its UK operations.
• BSIsupportingStrategic or Co-development Partner · 1 January 2025BSI conducted the independent assessment and certification process for Victorian Sliders' ISO 14001 and ISO 45001 certifications in July 2025.
• Spring EnvironmentalminorImplementation/ SI/ Consulting Partner · 1 January 2025Spring Environmental provided specialist environmental consultancy and guidance throughout the implementation phase of Victorian Sliders' ISO 14001 certification.
• Ashton IndustrialsupportingTechnology or Integration · 1 January 2024Ashton Industrial supplied and installed the Seamax automated seaming line (over £500k investment) for Victorian Sliders' glass processing capabilities. Also provided UNIX heavy-duty cross belt arrisser for special shapes and backup capacity.
• FUX (Foiling Equipment)supportingTechnology or Integration · 1 January 2021FUX supplied foiling machines for Victorian Sliders' foil lamination operations. The company expanded its foiling capacity with a fourth FUX foiling machine in 2021, growing capacity by 25%.

Scale indicators9 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Eurocell: UK PVCu profile extruder, window fabricator, and trade counter operator; comparable as a broader PVCu window industry participant with overlapping trade channel and material expertise.
• JELD-WEN UK: Large multi-material UK window and door manufacturer with broad product portfolio across timber, PVCu, and composite — overlaps with Victorian Sliders in PVCu sliding sash but operates at much greater scale and product breadth.
• Rehau UK: Global polymer systems supplier selling PVCu window profile and fabrication systems to UK fabricators; comparable as a supplier/enabler in the same PVCu sash window value chain rather than as a finished-product competitor.

Direct peers

• Clement Windows Group: UK conservation-focused window manufacturer covering steel, timber, and aluminium fenestration for heritage projects; comparable to Victorian Sliders in conservation/period property use cases, though multi-material.
• Roseview Windows: UK specialist manufacturer of uPVC vertical sliding sash windows, broadly comparable to Victorian Sliders in product (sash windows), channel (trade supply), and customer base (installers and fabricators).
• Masterframe Windows: Specialist UK manufacturer of Bygone and other premium uPVC sliding sash windows, directly competing in the heritage/replacement sash segment with similar trade-supply positioning.
• Quickslide: Yorkshire-based fabricator of uPVC sliding sash and other window systems serving UK trade installers, overlapping with Victorian Sliders in product category, trade channel, and heritage/period-property demand.
• Ultimate Rose: UK uPVC sash window manufacturer producing the Ultimate Rose system for trade customers — closely comparable on product type, heritage aesthetic positioning, and trade distribution model.

Emerging players

• The Sash Window Workshop: UK specialist focused on timber (and some uPVC) sash window manufacture and replacement for period properties; comparable on sash-window specialism and heritage use cases, though smaller and material-led differently.

Others

• Deceuninck UK: Belgian PVCu systems supplier with UK operations providing profile and technical support to fabricators; adjacent as a supplier/enabler in the same PVCu sash window manufacturing ecosystem.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/VictorianSlider
• Facebookfacebook.com/VictorianSlidersSashWindows
• LinkedInlinkedin.com/company/victorian-sliders-vhwg
• Instagraminstagram.com/victoriansliders

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 records

Funding overview

Funding rounds3 records

Investors3 records

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 Victorian Sliders