⭐ House Extensions Gloucestershire
Cortis Construction — Design‑Led Extensions Built With Craftsmanship & Architectural Clarity
Transform Your Gloucestershire Home With a Contemporary, Design‑Led Extension
Gloucestershire is a county defined by architectural variety — from Regency terraces in Cheltenham to Cotswold stone cottages, rural farmhouses and modern developments.
At Cortis Construction, we specialise in creating light‑filled, contemporary extensions that enhance space, flow and everyday living while respecting the character of Gloucestershire’s built environment.
Whether you’re expanding a period home, opening up a modern property or reconfiguring a rural cottage, we deliver extensions that feel intentional, refined and beautifully built.
⭐ Why Homeowners in Gloucestershire Choose Cortis Construction
Architectural, Design‑Led Approach
Every extension begins with proportion, light and flow.
We resolve the design before construction begins — ensuring the final space feels cohesive and purposeful.
Award‑Winning Craftsmanship
Recognised by the Federation of Master Builders, our work is defined by precision, detail and long‑term durability.
Full Planning & Building Regulations Support
Gloucestershire includes conservation areas, AONBs and listed buildings.
We handle drawings, planning applications, building control and structural engineering — ensuring a smooth, compliant process.
Transparent Project Management
Clear timelines, detailed quotations and open communication throughout.
You always know where your project stands.
Energy‑Efficient, Future‑Ready Construction
We use high‑performance glazing, modern insulation and efficient heating systems to create comfortable, sustainable spaces.
⭐ Types of Extensions We Build in Gloucestershire
Single‑Storey Extensions
Perfect for open‑plan kitchens, dining rooms and family living spaces.
Double‑Storey Extensions
Add bedrooms, bathrooms or home offices while maintaining balance and proportion.
Rear & Side Extensions
Maximise your plot and improve the flow of your home.
Wrap‑Around Extensions
Transform your entire ground floor with a complete reconfiguration.
Contemporary Glazed Extensions
Slimline aluminium glazing, rooflights and minimalist detailing for a clean, architectural aesthetic.
⭐ Where We Work in Gloucestershire
We deliver house extensions across the county, including:
Cheltenham — Regency homes, contemporary glazing and open‑plan transformations
Gloucester — Family extensions and full‑property reconfigurations
Tewkesbury — Heritage‑sensitive builds and structural upgrades
Stroud — Modern extensions with strong indoor–outdoor connections
Cirencester — Cotswold stone properties and rural homes
Forest of Dean — Rural extensions and energy‑efficient upgrades
We also work across surrounding villages, hamlets and countryside properties.
⭐ Recent Gloucestershire Projects
Garden room extension in Cheltenham — slimline glazing and minimalist detailing
Open‑plan transformation near Stroud — structural steelwork and modern interior redesign
Cotswold stone extension outside Cirencester — heritage‑sensitive construction with contemporary finishes
⭐ Start Your Gloucestershire Extension Project
If you’re planning a house extension in Gloucestershire, we’d love to help you shape the vision and bring it to life with clarity, creativity and craftsmanship.
