House Extensions & Conversions
in Coventry & Warwickshire
S & J Building & Electrical Ltd is a trusted building company based in Bedworth, serving homeowners across Coventry and Warwickshire. We specialise in high-quality house extensions, garage conversions, loft conversions, kitchen renovations, and bathroom renovations, delivering fully managed projects backed by over 20 years of experience.
Expert Extensions, Conversions and Renovations
If you are searching for house extensions near me in Coventry or Warwickshire, our team provides a complete end-to-end service. Whether you want more living space, an enlarged kitchen, or a full property renovation, we manage every stage from design to completion.
As a full-service building company, we handle:
- Design and architectural drawings
- Planning permission and permitted development
- Structural calculations and RSJ installation
- Groundworks, brickwork and roofing
- Plumbing, heating and electrical work
- Joinery, flooring, glazing and finishing
With a single point of contact throughout, you do not need to coordinate multiple contractors. Our experienced team ensures reliable scheduling, clear communication and a high-quality finish every time.
We work across Coventry, Bedworth, Kenilworth, Leamington Spa, Nuneaton and Warwick, helping families improve their homes with durable, well-planned extensions that add space, light and long-term value.
Our Extension and Renovation Services
Single‑Storey Extensions
Ideal for open-plan kitchens, dining areas and light-filled living spaces.
Double‑Storey Extensions
Add bedrooms, bathrooms and reconfigure your ground floor layout.
Rear & Wraparound Extensions
Maximise your home’s footprint with high-quality glazing, structural steelwork and modern finishes.
Modular / Prefab Extensions
A faster, cleaner and more efficient way to add space with minimal disruption.
Garage Conversions
Convert unused garage space into an office, utility room or additional living area.
Loft Conversions
Create a compliant new bedroom, home office or en-suite with professional planning and structural work.
Kitchen Renovations
Full redesigns including layout improvement, cabinetry, flooring, tiling and integrated electrics.
Bathroom Renovations
Durable, stylish bathroom refits with expert plumbing, tiling and finishing.
Completed Projects Across Coventry & Warwickshire
A selection of recently completed projects showcasing our work across Coventry and Warwickshire. From full house extensions to kitchen refurbishments, each project reflects our commitment to quality, organisation and attention to detail.
Full Rear/Wraparound Extension in Brandon, Coventry
A traditional semi-detached home transformed with a full rear and wraparound extension, creating a light-filled open-plan kitchen-diner with bi-fold doors, rooflights and RSJ-supported knock-throughs.
Full Kitchen Refurbishment in Rugby, Warwickshire
A traditional family home in Rugby transformed through a full kitchen refurbishment, creating a modern, practical and well-organised kitchen designed for everyday family living.
Why Homeowners Choose S & J
- Complete project management from design to sign-off
- Structural expertise including RSJs and complex knock-throughs
- Accurate programmes, staged payments and weekly updates
- High-quality finishes from trusted suppliers
- Fully insured, compliant and committed to safe working
Our 5‑Step Process
Discovery & Site Visit
We begin with a friendly consultation and site visit anywhere across Coventry and Warwickshire, from Earlsdon to Evesham, to understand your goals, budget and site conditions.
Design & Approvals
Our in-house team prepares detailed drawings and manages all planning applications, permitted development checks and building control requirements.
Pre-Build Preparation
We confirm the schedule, materials and finishes, and prepare your home to ensure a smooth, stress-free build.
Build
Phase
From foundations to final fixtures, our Coventry-based team coordinates every trade with a focus on quality workmanship, safety and tidy progress.
Handover & Aftercare
Once work is complete, we provide compliance documentation, warranties and aftercare guidance so your new space is ready to enjoy.
Proudly Covering Coventry and Warwickshire
We provide extensions and home improvements for properties across Coventry and the wider Warwickshire region. Whether you live in a city terrace or a village home, our team delivers the same careful workmanship and organised project management.
We regularly work in Coventry, Leamington Spa, Kenilworth, Warwick, Bedworth and Nuneaton, helping homeowners enhance their homes with well-planned, beautifully built extensions.
Planning an extension in Coventry or Warwickshire? Book your free planning call and we’ll map out timescales, approvals and budget ranges.
