What is a Carlisle Brass sash window fastener?

A sash window fastener is a compact catch or lock fitted to the meeting rails of a sliding timber sash window to secure, align and seal the sashes.

Which styles are available?

Common patterns include Brighton, Fitch and Quadrant fasteners, offered in locking and non-locking versions to suit different security and heritage requirements.

What finishes can I choose?

Typical finishes include Polished Brass, Polished Chrome, Satin Chrome and Satin Nickel for easy coordination with other sash window hardware.

Are these suitable for timber windows?

Yes. These fasteners are designed for traditional timber sash windows used in homes and commercial properties.

What are the main benefits of fitting a fastener?

Improved security, reduced draughts and rattles, better alignment of the sashes, and a neat period-correct appearance.

Do I need a locking or non-locking fastener?

Locking versions add security and controlled ventilation; non-locking options suit low-risk locations or where a simple catch is preferred.

Carlisle Brass Sash Window Fasteners

Carlisle Brass Sash Window Fasteners for Traditional Timber Sash Windows

Trade Door Handles is one of the UK’s leading suppliers of architectural ironmongery, trusted by tradespeople, contractors and homeowners nationwide since 1976.

Carlisle Brass sash window fasteners secure and align sliding sashes on timber windows while preserving period style. This collection covers popular patterns such as Brighton fasteners, Fitch fasteners and Quadrant fasteners, available in finishes including Polished Brass, Polished Chrome, Satin Chrome and Satin Nickel.

What are sash window fasteners?

They are compact locks and catches fitted to the meeting rails of vertical sliding sash windows. Options include locking and non-locking variants to suit privacy, heritage style and project specifications in homes and commercial properties.

Why use them?

Security – locks the two sashes together to deter external lifting.
Draught control – pulls sashes tight to reduce rattles and air gaps.
Ventilation management – locking options and stops support safe part-opening.
Heritage look – classic profiles that complement period joinery.