Sash Windows

Our sash windows are engineered to meet the demands of professional house builders delivering quality-led residential developments.

Traditional Style. Modern Performance.

Designed to replicate the proportions and detailing of traditional sash windows, they provide a premium, heritage aesthetic while achieving the performance, security and compliance standards required for today’s build programmes. Ideal for low to medium density schemes, bespoke developments and heritage-led sites, Ashbury Sash Windows combine visual authenticity with modern manufacturing precision and consistent site-ready performance.

Colours

Explore our paint finish options. Colour Match Available on request.

Ral 7015
Slate Grey

RAL 7032
Pebble Grey

RAL 9001
Cream

RAL 9010
Pure White

RAL 7016
Anthracite Grey

RAL 9005
Jet Black

RAL 7038
Agate Grey

Hardware

A refined hardware range provides durability, security and a premium finish suited to higher-value developments:

• Sash catches, lifts, restrictors and PAS 24 security locks
• Finishes include Polished Chrome, Satin Chrome, Antique Brass, Oil Rubbed Bronze and Brass

Security

  • Tested to PAS 24:2022

  • Secured by Design accredited system

  • Compliant with Documents L, M and Q

Specification

Suitable for

  • Developments from small schemes to 100+ plots

  • Consistent quality and tolerances across volume production

  • Fully suited window and door system for cohesive elevations

  • Designed for refurbishment, heritage-style new build and conservation-led projects

Thermal Performance

  • Double glazed U-value: 1.3 W/m²K
    Supports compliance with current Part L requirements

Acoustic Performance

  • Up to 36dB acoustic rating with sound control glazing

Weather Performance (BS6375 Tested)

  • Air permeability: Class 4

  • Watertightness: Class 8A (up to 450Pa)

  • Wind resistance: Class C5

Glazing & Specification Options

  • 24mm Low E sealed units as standard

  • Argon-filled cavities with warm edge spacers

  • Obscure, laminated, toughened and sound control glazing available

  • Double, triple or vacuum glazing options

Detail

Ashbury Sash Windows are designed to support planners, architects and developers where traditional appearance is critical.

  • Ovolo or Lambs Tongue sash profiles

  • Square, Ovolo or Beaded external liners

  • Choice of sash horn styles

  • Heritage slim-glass unit bead option

  • Slim frame and sash options for improved sightlines