Aluminium Conservatories

Premium aluminium conservatory systems combining elegant slimline framing with exceptional thermal performance — from traditional Victorian and Edwardian styles to contemporary flat-roof orangeries.

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Conservatories Engineered for Year-Round Living

The modern aluminium conservatory is a far cry from the cold, draughty PVC structures of the past. Today's thermally broken aluminium roof and wall systems deliver U-values that meet current Building Regulations, combined with slimline sight-lines that maximise the glass area and create bright, airy living spaces that are comfortable in every season.

We use advanced aluminium roof technology including the Aliver 5000+ system for premium conservatory applications and the Aliver 2000+ for versatile configurations. These thermally broken systems accept double glazed units from 24mm to 30mm, with polycarbonate options also available. Heavy-duty gutter and beam profiles enable large spans without excessive framing, and elegant glazing bars are designed to maximise the glass area while providing the structural performance needed for UK weather conditions.

Every conservatory is designed to your specific requirements — size, style, configuration and performance level. We combine our aluminium roof expertise with our extensive range of aluminium windows and doors to create fully coordinated conservatory structures where every component is engineered to work together and finished in matching colours.

  • Thermally broken aluminium roof systems (Aliver 5000+ and 2000+)
  • Double glazed units from 24mm to 30mm
  • Standard 25° pitch for optimal water runoff and aesthetic
  • Slimline glazing bars maximising glass area
  • Heavy-duty gutter and beam profiles for large spans
  • Compatible with all DTW aluminium window and door systems
  • Any RAL colour from our extensive palette

From classic Victorian conservatories with decorative ridge cresting to sleek contemporary orangeries with flat roofs and lantern lights, our aluminium conservatory systems suit properties across Surrey, London and the South East. Whether you are extending a period home in Guildford or adding a garden room to a contemporary property in Esher, we design conservatories that complement your architecture and enhance your lifestyle.

Sunroom with expansive glass windows and door, offering bright, airy space with views of the wooded.

Traditional and Contemporary Styles

Victorian Conservatory — The classic multi-faceted design with a faceted front, ornate ridge detail and elegant proportions. Our aluminium framing reproduces the traditional aesthetic with none of the maintenance demands of timber, and significantly better thermal performance than PVC.

Edwardian Conservatory — A rectangular footprint with a hipped roof, maximising usable floor space. The clean lines of aluminium framing suit the Edwardian aesthetic particularly well.

Gable-End Conservatory — A striking triangular gable at the front elevation, creating height and visual drama. Available in contemporary or decorative styles.

Lean-To / Mediterranean — A simple single-pitched roof against the house wall. Clean, contemporary and cost-effective. Available with opening vents for ventilation.

Orangery — A hybrid design combining solid insulated perimeter walls with a glazed roof — typically a flat roof with a central lantern. Creates a room that feels more like a conventional extension while retaining abundant overhead natural light.

P-Shaped and T-Shaped — Combination designs that merge two conservatory styles — for example, a Victorian front section with a lean-to rear — to create larger, more complex footprints.

Sunroom with expansive glass windows and door, offering bright, airy space with views of the wooded.

Technical Specifications

Technical Specifications

Aluminium Roof System Comparison

Specification Aliver 5000+ Aliver 2000+
System Type Premium thermally broken conservatory roof Versatile thermally broken roof system
Thermal Break Yes — full thermal break technology Yes — thermally insulated profiles
Glazing 24mm–30mm double glazed units Single/double chamber glass, polycarbonate
Polycarbonate 16mm, 20mm, 25mm or 32mm 16mm, 20mm, 25mm or 32mm
Pitch Standard 25° Variable pitch options
Gutter/Beam Profiles Heavy-duty for large spans Standard profiles
Configurations All traditional and contemporary styles Lean-to, Victorian, Edwardian, gable
Ventilation Opening vent options Ventilation devices included
Best For Premium residential, large spans Versatile residential applications

Glazing Specifications

Glass Type U-Value Application
Standard Double Glazed (24mm) ~1.4 W/m²K Budget-conscious installations
Enhanced Double Glazed (28mm) ~1.1 W/m²K Standard premium specification
High-Performance Double (30mm) ~1.0 W/m²K Maximum double-glazed performance
Self-Cleaning Roof Glass As above with Activ coating Reduces conservatory roof maintenance
Solar Control Roof Glass As above with solar control Reduces summer overheating
Blue Tint Self-Cleaning As above Combined self-cleaning and solar control

Glass Options for Aluminium Conservatories

Glass specification varies by project. We work with your requirements to select the optimal glazing — balancing thermal performance, solar control and light quality for your aluminium conservatories. Speak to our specification team for recommendations tailored to your project.

Colours & Finishes

Colours & Finishes

Frame & Finish Options

Aluminium conservatory and lean-to roof systems offer the full RAL palette — anthracite grey and white remain the most popular, with woodgrain foils available for a timber-effect finish.

  • Anthracite Grey (RAL 7016) — The most popular contemporary choice for aluminium conservatories
  • Pure White (RAL 9010) — Clean, classic finish matching existing white window frames
  • Cream White (RAL 9001) — Warm white for heritage and period properties
  • Matt Black (RAL 9005) — Bold, dramatic finish for contemporary designs
  • Chartwell Green (BS 14C35) — Heritage green for traditional properties
  • Woodgrain Foils — Realistic timber-look finish on aluminium substrate
  • Any RAL Colour — Full RAL Classic palette available to specification
  • Dual Colour — Different internal and external colours (e.g., white interior, anthracite exterior)

Powder coating is applied to marine-grade standards with a minimum 25-year colour guarantee.

Frequently Asked Questions

Is an aluminium conservatory better than PVC?

Aluminium offers several advantages over PVC for conservatories: slimmer sight-lines (maximising the glass area), greater structural strength (enabling larger spans with less framing), superior colour stability (powder-coated aluminium does not yellow, warp or discolour), longer lifespan (40+ years versus 20–25 for PVC) and a more premium aesthetic. The thermal performance of modern thermally broken aluminium is comparable to PVC.

Do I need Building Regulations approval for a conservatory?

Conservatories are exempt from Building Regulations if they are at ground level, less than 30m², separated from the house by external-quality walls, windows or doors, and have an independent heating system with separate controls. Larger conservatories or those not meeting these criteria require Building Regulations approval. We advise on the requirements during the design stage.

How long does a conservatory installation take?

A typical aluminium conservatory installation takes 2–4 weeks on site, depending on size and complexity. This follows a design and fabrication period of 6–10 weeks. The base and dwarf walls (if required) are constructed by your builder before our installation begins. We coordinate the programme with your builder to ensure a smooth handover.

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Cortizo logo FENSA logo BFRC logo Accreditation logo for Direct Trade Windows company. Constructionline Gold Member badge for trusted building industry standards. Close-up of a window with a focus on the frame and glass. Aluminium window with sleek design and modern finish.