About Us

About Us
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Contact Info

684 West College St. Sun City, United States America, 064781.

+(528) 456-7592

info@interiar.com

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Bespoke Oxfordshire Orangeries: The Ultimate Kitchen Extension

Seamlessly blending traditional masonry with modern glazing and premium Sapele hardwood. We design and build expansive, light-filled kitchen hubs for the finest homes in Henley-on-Thames, Chipping Norton, and Woodstock.

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1

Dedicated Project Manger

30

Years of British Heritage

5

Star Excellence Rating

500

Completed Projects

From Original Property to Architectural Grandeur.

We specialize in ground-up structural extensions. Our orangeries are engineered to support heavy kitchen cabinetry and grand structural openings while matching your home’s original Oxfordshire masonry perfectly.

oxfordshire orangeries 5

The Sapele Advantage

We exclusively use Sapele a high-density timber—because it outperforms Oak and Softwoods in stability and finish. It provides a furniture-grade finish that lasts 50+ years.

Solar Control Glazing

Reflects 78% of solar heat, ensuring your kitchen remains a comfortable living space 365 days a year.

Sarnafil Roof Covering

World-leading flat-roof membrane with a Full Guarantee against leaks.

The Berkshire Value Assurance

We will look to beat any genuine, written "like-for-like" quote from a competitor using the same premium Sapele and Sarnafil specifications.

The Heritage Shield

Teknos finishes are engineered to breathe with the timber, offering unrivaled protection against the elements while resisting cracking, peeling, and fading.

The Fortified Standard

Multipoint Security & PAS 24 Compliance: Your peace of mind is built-in. Every door and window aperture is equipped with high-grade, multipoint stainless steel locking systems designed to meet rigorous PAS 24 security standards.

Experience the Quality: Our Project Showcase

A collection of cinematic highlights from our most recent builds across Berkshire. See the architectural detail, the seamless integration, and the high-end finishes that define our 30-year legacy.

Our Design & Build Process

01 Technical

Visualization

Free on-site consultation and detailed visual interpretations.

02 Timeline

Technical Excellence

We manage all Planning, Manufacturing Drawings, Structural Calculations, and SAP (Energy) Calculations.

03 Build

The Master Build

Professional installation typically completed in circa 8-12 weeks, subject to design complexity. We offer a full "Under One Umbrella" turnkey service.

04 Handover

Project Handover

A "Sofa-Ready" finish including plastering and lighting.

Farrow & Jones

Completed Project Pictures

Farrow & Jones

Completed Project Pictures

Our Comprehensive Services

We deliver bespoke architectural design and construction services across Berkshire, combining expert craftsmanship, tailored solutions, and trusted project management.

01

Bespoke Conservatories

Maximum natural light and classic aesthetic appeal.

02

Bespoke Orangeries

Permanent brick-built extensions with lantern roofs.

03

Roof Lanterns

Architectural features that flood interiors with light.

04

Kitchens & Interiors

Creating the open-plan heart of the home. Check More!

05

Modern Glass Rooms

High-performance, minimalist contemporary designs.

06

Wooden Orangeries

Bespoke wooden orangeries crafted for timeless elegance and natural light.

Testimonials

What Our Clients Say

The Harrison Family, Henley-on-Thames

The Teknos finish is unbelievable it has a smoothness you just don't get with on-site painting. Our new kitchen extension is now the absolute heart of our home.

S. Bennett, Woodstock

We were amazed at how cool the kitchen stayed during the summer. The solar glass really works. The 12-week build was professional and incredibly clean.

Mr. & Mrs. J, Chipping Norton

Finding a builder who understands high-end Sapele joinery was vital. They matched our original Cotswold stone perfectly and delivered a world-class finish

FAQ's

Frequently Asked Questions

For our flat-roof elements, we specify Sarnafil, a world-leading, maintenance-free membrane. Unlike traditional felt or GRP rubber, our Sarnafil installations carry a comprehensive 10-year guarantee against leaks and environmental degradation. This high-performance, single-ply system remains thermally stable through extreme temperature fluctuations, providing a lifespan and reliability far superior to standard roofing materials.

uPVC lacks the structural load-bearing strength required for a true architectural orangery, often requiring unsightly internal steel or plastic reinforcements. Sapele hardwood provides a rigid, furniture-grade frame that naturally supports the weight of a stone parapet or large roof lantern. Furthermore, Sapele does not "yellow" or expand significantly in heat, preserving the heritage value of premium Oxfordshire properties.

Yes. We specialize in securing planning for premium homes in protected areas like Woodstock, Chipping Norton, and Henley-on-Thames. Because our orangeries utilize traditional materials like Sapele and are matched to Cotswold stone or period brickwork, they are highly favored by local planning officers compared to modern "bolt-on" extensions.

Absolutely. By utilizing SAP (Energy) Calculations and advanced Solar Control Glazing, we ensure your orangery remains thermally efficient. The combination of solid insulated roof elements and high-performance glass reflects 78% of solar heat in summer while retaining warmth in winter, creating a seamless, 365-day extension of your home.

A typical project, from initial groundworks to a "sofa-ready" finish, takes approximately 8 to 12 weeks, depending on the scale and complexity. This includes full project management of the structural build, roof lantern installation, and internal finishes like plastering and lighting, ensuring a professional, stress-free handover.

In the Oxfordshire market, an architecturally sympathetic orangery is considered a permanent extension rather than a temporary structure. A Farrow & Jones build can add between 7% and 11% to a property's total valuation. Because it is designed to match the original sightlines and character of your home, it remains a high-yield investment for premium residences.