Est. Since 1987

The Art of Silence
in Heritage Homes

Bespoke secondary glazing crafted for Britain's finest period properties. Preserving architectural integrity while delivering silence and thermal comfort.

54dB

Sound Reduction

65%

Heat Retention

2,400+

Listed Homes

The Science

Experience the Difference

Move the slider to simulate the acoustic transformation our secondary glazing delivers. From city noise to library silence.

Busy city street viewed from inside a period home
Peaceful heritage interior with secondary glazing installed

Outside

78dB

-27dB

Inside

51dB

Our acoustic secondary glazing

Georgian heritage building facade with period windows in London
Heritage Expertise

The Listed Specialist

Every heritage classification demands a unique approach. Our team holds specialist accreditations for all levels of listed building and conservation area compliance.

Grade I Listed

Buildings of exceptional interest. Our bespoke systems are approved for the most sensitive heritage structures in England and Wales.

340+

Grade I projects

Grade II Listed

Nationally important buildings of special interest. We work with conservation officers to ensure full compliance.

1,800+

Grade II projects

Conservation Areas

Areas of special architectural or historic interest. Our discrete installations preserve the character of entire streetscapes.

420+

Conservation areas served

English Heritage ApprovedFENSA RegisteredHistoric England PartnerRIBA Recognised
Technical Specifications

Engineered for Excellence

Glass Specification

10.8mm Acoustic Laminate

Two layers of 4mm float glass bonded with a 2.8mm acoustic PVB interlayer, delivering class-leading sound insulation.

Rw 45dB

Weighted Sound Reduction

Close-up detail of 10.8mm acoustic laminate glass layers
Energy Performance

Thermal Retention

Reduces heat loss by up to 65%, dramatically lowering heating costs while eliminating cold draughts.

0.65

U-Value (W/m²K)

Sound Insulation

Acoustic Performance

Up to 54dB noise reduction, transforming busy urban environments into serene sanctuaries.

54dB

Maximum Reduction

Visual Integrity

Sight Lines

Ultra-slim 22mm aluminium frames, powder-coated to complement period joinery. Virtually invisible from the street.

22mm

Frame Profile

Protection Rating

Security Enhancement

Additional glazing layer provides an extra barrier against forced entry, without altering the external appearance.

PAS 24

Security Standard

Precision Engineering

Bespoke Manufacture

Every panel is measured to 0.5mm tolerance and manufactured to order. No off-the-shelf solutions.

0.5mm

Manufacturing Tolerance

Begin Your Journey

Your Personal Consultation

Every heritage property is unique. Our concierge survey process begins with understanding your home, your needs, and your aesthetic preferences.

Step 1

Your Property

Step 2

Requirements

Step 3

Consultation

Step 1 of 3

Tell Us About Your Property

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