Glazing Solutions for Architects and Property Developers

Bespoke Timber and Aluminium Glazing for Residential Projects Across London

Why Collaborate with Us?

We support architects, specifiers and property developers delivering high-quality residential projects, from single dwellings and extensions to multi-unit conversions and we offer a complete end-to-end service – from design support to fabrication and installation.

Our Architectural Collaboration Programme is suitable for projects including contemporary glazed extensions, loft conversions, whole-house refurbishments, barn conversions, high-end residential new builds, conservation areas and listed properties, multi-unit conversions and small developments and includes:

Technical Support
for Early-Stage Design
1
- CAD drawings for all windows and doors (plans, sections, elevations).
- Guidance on frame depth, build-ups, opening configurations, and compliance.
- Support in developing glazing schedules for tender packages.
- Quick quotations based on architect drawings.
- Clearly itemised glazing packages, suitable for tender or cost-plan inclusion.
- Optional site survey and installation service.
Manufacturing Knowledge Early in the Design Cycle
- Feasibility advice to help value-engineer window systems without compromising design intent.
- Specification support for timber, aluminium or uPVC – based on performance, aesthetics and budget.
- Consultation on passive solar gains, thermal performance and Part L/Part F considerations.
2
Manufacturing Knowledge Early in the Design Cycle
Local, Reliable Manufacturing
3
- All timber windows and a range of aluminium/uPVC products are manufactured locally.
- Faster lead times and easier design revisions.
- Ability for architects and clients to visit the factory or showrooms for product review.
- Access to CAD library and specification guides (created on request).
- Priority quoting for architectural partners.

Technical Support for Early-Stage Design

CAD drawings for all windows and doors (plans, sections, elevations).
Guidance on frame depth, build-ups, opening configurations, and compliance.
Support in developing glazing schedules for tender packages.
Quick quotations based on architect drawings.
Clearly itemised glazing packages, suitable for tender or cost-plan inclusion.
Optional site survey and installation service.

Manufacturing Knowledge Early in the Design Cycle

Feasibility advice to help value-engineer window systems without compromising design intent.
Specification support for timber, aluminium or uPVC – based on performance, aesthetics and budget.
Consultation on passive solar gains, thermal performance and Part L/Part F considerations.

Local, Reliable Manufacturing

All timber windows and a range of aluminium/uPVC products are manufactured locally.
Faster lead times and easier design revisions.
Ability for architects and clients to visit the factory or showrooms for product review.
Access to CAD library and specification guides (created on request).
Priority quoting for architectural partners.

Why order Bespoke windows and doors directly from Perfect Crystal?

Bespoke Approach

As a direct manufacturer, we design and build every window and door to your specification and requirements, giving you bespoke approach over style, size, finishes and performance.

Manufacturers Guarantees

Buying directly from the manufacturer means your products come with genuine factory-backed guarantees for long-term confidence and peace of mind.

Quality Components

We source and control every component ourselves, from premium engineered timber to high-performance glazing and hardware, ensuring consistent quality throughout the entire product.

Control Over Lead Times & Process

By managing the full production process in-house, we provide reliable lead times, clear communication and tighter control at every stage of your project.

Replicate Historical Features

Our skilled joinery team can accurately replicate period detailing, traditional mouldings and heritage features to restore your property’s original character.

Made Locally by Skilled Craftsmen

Every item is handcrafted in our factory by experienced craftsmen, supporting local expertise and ensuring meticulous attention to detail.

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Get in touch

Perfect Crystal Windows Limited
1 Cumberland Avenue
Park Royal
London
NW10 7RX

Email
info@perfectcrystal.co.uk

Telephone
020 8961 6111

Reception: 020 8963 9700
Sales Team: 020 8963 9703
Customer Service: 020 8963 9704
Accounts: 020 8963 9706

Our Showroom

Showroom, Office and Factory

Perfect Crystal Windows Limited
1 Cumberland Avenue Park Royal London NW10 7RX

Opening Hours

Monday – Friday: 8 AM to 5 PM
Saturday: 8 AM to 1 PM
Sunday: Closed