Double-glazing

Double Glazing

Improve energy efficiency, security, and comfort with expertly installed double glazing from Spirit Level Services. Whether you’re upgrading tired old windows or fitting high-performance glazing as part of a larger project, we provide precision installation with long-lasting results.

Key Features

Tailored Supply & Installation

  • Wide range of styles: casement, sash, tilt & turn, bay, and more
  • Custom-sized windows and doors to suit period or modern properties
  • Expert installation for minimal disruption and maximum efficiency

High-Performance Products

  • A-rated energy-efficient glazing to reduce heat loss and energy bills
  • Multi-point locking systems for enhanced home security
  • Toughened and laminated glass options for safety and soundproofing

Finishes That Complement Your Home

  • Wide choice of frame materials and colours: uPVC, aluminium, timber
  • Matching trims, sills, and hardware for a cohesive appearance
  • Option to replicate traditional aesthetics for listed or character homes

Our Four-Stage Process

1. Consultation & Survey

  • Free home visit and consultation with your Contracts Manager
  • Survey of existing windows and discussion of goals and options
  • Clear, itemised quotation with no hidden extras

2. Product Selection & Design

  • Help choosing frame materials, styles, finishes, and glass types
  • Precise measuring and ordering of bespoke units
  • All glazing specified to meet or exceed current building regulations

3. Installation Phase

  • Safe removal of existing windows and full preparation of openings
  • Expert fitting of new units with full sealing and finishing
  • Internal and external trims, plastering touch-ups, and clean-up

4. Handover & Aftercare

  • Final inspection to ensure airtight, secure fitting
  • Handover pack including warranties and product care guidance
  • Ongoing support should you need adjustments or advice later

Why Choose SLS for Your Double Glazing?

Quality Products: Only trusted, high-specification manufacturers used

Precision Installation: Experienced team, clean finish, minimal disruption

Energy Efficient: Lower bills, reduced condensation, warmer home

Full Project Support: From first measurement to final polish

Transparent Pricing: Clear quotes - no surprises

Let’s Make Your Home Warmer, Quieter, and More Secure

Contact Spirit Level Services today to arrange your free, no-obligation consultation for double glazing installation or replacement. We’ll help you choose the best options for your home and ensure they’re installed to the highest standard.