Bespoke Conservatories, Orangeries & Glass Extensions | Room Outside

Premium Glass Extensions UK

Bespoke Conservatories,
Orangeries & Glass Extensions

Hand-crafted in our West Sussex workshop using patented New Generation Glass technology. Serving homeowners across the South East of England for over 50 years.

Request Free Brochure Book Design Consultation

10-Year Guarantee

Comprehensive Coverage

50+ Years Experience

Family Business Since 1973

Beautiful conservatory with glass roof and chandelier
From £25,000
8-12 weeks typical build

Traditional & Contemporary Designs

Conservatories

Bespoke conservatories in timber, aluminium & UPVC. Victorian, Edwardian and contemporary styles crafted to complement your home’s architecture. Our New Generation Glass technology ensures year-round comfort.

Starting From
£25,000
Build Time
8-12 weeks
Materials
Timber, Aluminium, UPVC
Thermal Rating
A+ Rated
Timber, Aluminium & UPVC Options
Victorian & Edwardian Styles
Contemporary Lean-To Designs
Planning Permission Support
10-Year Comprehensive Guarantee
New Generation Glass Technology
Adds 5-10% property value Year-round living space Seamless garden connection
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The Perfect Blend of Traditional & Modern

Orangeries

The perfect blend of traditional architecture and modern comfort. Solid roof sections with stunning lantern features for year-round living. Brick pillars available for a more substantial, permanent feel.

Starting From
£35,000
Build Time
10-14 weeks
Materials
Brick, Timber, Aluminium
Thermal Rating
A++ Rated
Lantern Roof Options
Brick Pillars Available
Superior Thermal Performance
Internal Pelmet Lighting
Solid Perimeter Roof
Bespoke Designs
Premium architectural finish Better thermal efficiency More substantial structure
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Beautiful orangery with lantern roof and brick pillars
From £35,000
10-14 weeks typical build
Modern glass box extension with frameless structural glazing
From £40,000
12-16 weeks typical build

Minimalist Frameless Design

Glass Box Extensions

Minimalist frameless glass extensions that create a seamless connection between your home and garden. Stunning structural glazing with floor-to-ceiling glass panels for maximum natural light.

Starting From
£40,000
Build Time
12-16 weeks
Materials
Structural Glass, Aluminium
Thermal Rating
A++ Rated
Frameless Structural Glazing
Floor-to-Ceiling Glass
Minimal Frame Profiles
Sliding or Pivot Doors
Walk-On Glass Roofs
LED Integrated Lighting
Maximum natural light Contemporary aesthetic Seamless indoor-outdoor living
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Home Offices, Studios & More

Garden Rooms

Fully insulated garden rooms for year-round use. Perfect for home offices, creative studios, home gyms or guest accommodation. Hand-crafted with full electrical installation.

Starting From
£25,000
Build Time
6-10 weeks
Materials
Timber, Composite, Glass
Thermal Rating
A+ Rated
Fully Insulated Year-Round
Full Electrical Installation
Plumbing Options Available
Heating Included
Home Office Ready
Guest Suite Options
Separate workspace No commute required Adds property value
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Beautiful garden room with glass roof perfect for home office
From £25,000
6-10 weeks typical build
Beautiful oak framed building with traditional craftsmanship
From £35,000
12-20 weeks typical build

Traditional Craftsmanship

Oak Buildings

Hand-crafted oak framed buildings built to last generations. Garden rooms, garages, orangeries and extensions using traditional mortise and tenon joinery techniques with sustainably sourced British and European oak.

Starting From
£35,000
Build Time
12-20 weeks
Materials
Green Oak, Glass, Brick
Thermal Rating
A+ Rated
Green Oak Construction
Traditional Joinery
100+ Year Lifespan
Sustainable Materials
Bespoke Designs
Full Planning Support
Timeless character Built to last generations Adds significant property value
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Pre-Engineered Solutions

Modular Glass Extensions

Pre-engineered modular glass extensions designed for faster installation and reduced disruption. Factory-built components ensure precision engineering and quality control, with on-site assembly that minimizes construction time.

Starting From
£25,000
Build Time
4-8 weeks
Materials
Pre-engineered Glass, Aluminium
Thermal Rating
A++ Rated
Factory Pre-Engineered Components
Faster Installation Times
Reduced On-site Disruption
Precision Engineering
Weather-Resistant Construction
Quick Assembly System
Minimal construction time Less site disruption Factory quality control
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Modern modular glass extension with factory-built components
From £25,000
4-8 weeks typical build
Premium Four Seasons USA sunroom with energy-efficient technology
From £25,000
6-10 weeks typical build

Premium US Sunroom Technology

Four Seasons USA

Premium sunroom systems from Four Seasons USA, featuring advanced energy-efficient glass technology and superior thermal performance. Designed for year-round comfort with exceptional energy efficiency ratings and patented climate control systems.

Starting From
£25,000
Build Time
6-10 weeks
Materials
Four Seasons System, Energy Glass
Thermal Rating
A+++ Rated
Four Seasons USA Technology
Advanced Energy-Efficient Glass
Superior Thermal Performance
All-Season Climate Control
Professional Installation
Comprehensive Warranty
Advanced US technology Maximum energy efficiency Year-round climate control
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Premium Business Solutions

Commercial Projects

Premium glass extensions and conservatories for commercial properties, hotels, restaurants, and corporate buildings. Our bespoke solutions enhance customer experience, increase property value, and create stunning architectural features for businesses across the South East.

Project Types
Hotels, Restaurants, Offices
Build Time
12-24 weeks
Materials
Structural Glass, Aluminium, Timber
Thermal Rating
A++ Rated
Hotel & Restaurant Extensions
Corporate Atriums
Retail Glass Extensions
Commercial Orangeries
Planning & Regulation Compliance
Project Management Included
Increase customer dwell time Enhanced brand image Premium business environment
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Commercial glass extension for business premises
Commercial Projects
12-24 weeks typical build

Why Choose Room Outside?

Over 50 years of excellence in bespoke glass extensions across the South East of England.

Family Business

Established 1973, still family-owned and operated

West Sussex Workshop

All products hand-crafted locally in our own facility

10-Year Guarantee

Comprehensive warranty on all installations

New Generation Glass

Patented technology for year-round comfort

Ready to Transform Your Home?

Book a free design consultation with our expert team. We’ll visit your home, discuss your vision, and provide a detailed quotation with no obligation.

Call 01243 538999 Request Free Brochure