Project Overview

Homeowners in Brockley commissioned a new rear extension to their ground-floor flat. The extension was designed as a modern open-plan living space, but the original window specification did not meet the homeowners’ expectations for thermal performance or aesthetics. The goal was to install premium Schüco windows that would complement the contemporary architecture, maximise natural light, and deliver superior energy efficiency.

Our Solution

We supplied and installed Schüco AWS 70 aluminium windows throughout the new build extension. The solution included:

  • Schüco AWS 70 slim-profile aluminium frames for clean, minimalist sightlines
  • Thermally broken profiles to meet and exceed building regulations
  • High-performance double glazing with low-E coating and argon gas fill
  • Fixed picture windows to frame the garden view
  • Side-hung casement openings for natural ventilation
  • Powder-coated finish in dark grey (RAL 7016) to match the extension’s aluminium cladding
  • Matching Schüco handles and hardware for a cohesive finish

Installation Process

  • Conducted site survey and coordinated with the extension build timeline
  • Confirmed all rough openings matched Schüco’s precise specifications
  • Installed pre-fabricated steel support lintels where required
  • Lifted Schüco AWS 70 frames into position using precision packers
  • Mechanically fixed frames to the new masonry and timber studwork
  • Spray-foamed all perimeter gaps with high-expansion insulation foam
  • Applied internal and external silicone seals for airtight weatherproofing
  • Installed double-glazed sealed units into each frame
  • Adjusted all hinges and handles for smooth operation
  • Completed thorough clean of glass, frames, and surrounding new plasterwork

Multitrades Windows & Doors Benefits

  • Better thermal performance to reduce energy bills
  • Enhanced soundproofing
  • Secure locking systems
  • Easy-to-maintain materials
  • Compliance with latest UK building regulations
  • Durable materials that withstand UK weather
  • Aesthetics that match the home’s existing character
  • Expert installation with minimal disruption
  • Full warrantee for peace of mind
  • Outstanding customer support and care

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Our Showroom

You are more than welcome to visit our showroom.
We are open MON – FRI 8.00am – 4.30pm
SAT – By Appointments Only

For outside working hours or weekends appointments, feel free to call us on 01923238322 or email at [email protected]
We’ll be happy to meet up and discuss your Glazing, Windows & Doors Project

Multitrades Windows & Doors
Unit 1, Wiggenhall Industrial Estate, Wiggenhall Road, Watford, WD18 0FL
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Multitrades Windows & Doors offer End-to-End Service

At Multitrades Windows & Doors, we don’t just sell windows, doors & glazing. We manage the entire process from initial concept to completion.

  • Manufacture –We fabricate each door to precise specifications using original profiles and components. All doors are built in-house, ensuring strict quality control and fast turnaround times.

  • Supply –We deliver the chosen windows & doors directly to your site, anywhere in the region. Builders, developers, and homeowners trust us for reliable, on-time delivery and expert packaging to prevent transit damage.

  • Installation –Our experienced installation team ensures your  Doors and Windows are fitted with absolute precision. We manage all aspects, from structural alignment to weatherproofing and hardware setup. All installations come with Comprehensive 10 Year Guarantee, and we follow best practices to meet all relevant UK building regulations.

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