Building Excellence
Bespoke House Extensions
Creating seamless, high-value additions to Edinburgh’s finest homes. Fixed-price extensions with full planning and structural management.
Professional Construction & Management
A house extension is one of the most effective ways to add space and value to your property. We specialise in designing and building extensions that blend perfectly with your existing home, whether it’s a modern sunroom, a traditional sandstone addition, or a multi-storey side extension.
Our team manages the entire process, from initial structural design and planning permissions to the final interior finishes. We understand the unique challenges of Edinburgh’s architectural landscape and ensure every build meets the highest standards of craftsmanship.
Standard Deliverables
- Structural Design & Planning
- Seamless Architectural Integration
- Fixed-Price Contracts
- Fully Managed Build
All Crescent Builders projects are carried out under fixed-price contracts with professional project management from day one.
10-Year Structural Guarantee
Every project is backed by our comprehensive 10-year structural warranty. We stand behind our craftsmanship for the long term.
Project Phasing
THE BUILD TIMELINE
Week 1
Site Discovery
Comprehensive structural assessment and feasibility study of your property.
Weeks 2-4
Technical Design
Architectural drawings, structural engineering calculations, and building warrant submission.
Weeks 5-8
Structural Phase
Groundworks, wall removals, steel beam (RSJ) installation, and core structural assembly.
Weeks 9-14
First & Second Fix
Electrical, plumbing, insulation, and internal plastering work carried out by our master trades.
Weeks 15-16
Finishing & Handover
High-end decorative finishes, quality sign-off, and provision of all structural certifications.
Free Resource
THE 2026 EDINBURGH
EXTENSION GUIDE
Planning a project? Download our comprehensive 40-page guide covering 2026 construction costs, planning secrets, and how to avoid the most common renovation pitfalls in Edinburgh.
Crescent
Build
Report
Issue 04 // 2026
Start Your
Project
Today
Ready to transform your home? Book a free consultation with our lead surveyor to discuss your specific requirements.