Single-Storey House Extensions in Coventry and Warwickshire
Single-storey extensions are one of the most popular ways to create more living space without moving. At S & J Building & Electrical Ltd, we design and build single-storey house extensions across Coventry, Leamington Spa, Kenilworth, Warwick, Rugby and Nuneaton, tailored to how you and your family actually use your home.
Whether you want a larger kitchen-diner, a family room opening on to the garden, or a more open-plan layout on the ground floor, our team delivers a fully managed service from design to completion.
Why Choose a Single-Storey Extension
A single-storey extension is ideal if you want to:
- Create an open-plan kitchen, dining and living area.
- Improve natural light with modern glazing and rooflights.
- Connect more directly to your garden or patio.
- Reconfigure the ground floor for better flow and usability.
- Add value to your property without the complexity of a second storey.
Why Homeowners Choose S & J for Single-Storey Extensions
Fully Managed Projects
Strong structural expertise in RSJs, knock-throughs and open-plan layouts.
Clear Timelines
Transparent scheduling, progress updates, and guaranteed communication throughout your build.
Experienced Local Builders
Over 20 years’ experience delivering extensions across Coventry and Warwickshire.
Insured & Compliant
Every project meets building regulations and includes certification, safety checks, and aftercare.
What Our Single-Storey Extension Service Includes
Our comprehensive service typically includes:
- Site visit, survey and design consultation.
- Architectural drawings and layout proposals.
- Planning permission or permitted development checks.
- Structural calculations and steelwork design.
- Foundations, brickwork and roofing.
- Windows, doors and rooflights.
- Plumbing, electrics, heating and ventilation.
- Plastering, flooring, decoration and final finishing.
- Building regulations sign-off and documentation.
Typical Uses for Single-Storey Extensions
- Open-plan kitchen-diners.
- Family rooms or snug areas.
- Playrooms or informal living spaces.
- Utility rooms and boot rooms.
- Ground-floor shower rooms or WCs.
Extension Types We Offer
We offer a complete range of residential extensions designed to suit modern homes, period houses and character properties throughout Coventry and the wider Warwickshire area. Every extension is planned around your lifestyle, architectural style and long-term requirements.
Double‑Storey Extensions
Increase bedrooms, bathrooms or office space while reconfiguring the ground floor.
Rear & Wraparound Extensions
Maximise your home’s footprint and transform layout, flow and natural light.
Modular / Prefab Extensions
Fast, efficient builds with excellent energy performance and reduced disruption.
Related Conversions
Many clients combine an extension with a conversion project:
Loft Conversions
Featured Case Studies
Many clients combine an extension with a conversion project:
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 Extension Refurb in Rugby, Warwickshire
A complete kitchen extension refurbishment with improved layout, upgraded electrics and plumbing, new kitchen installation and contemporary finishes throughout.
Benefits of a Single-Storey Extension
- Transforms how you use the ground floor of your home.
- Creates a modern, open-plan space ideal for family living and entertaining.
- Improves light and views with well-placed glazing and garden access.
- Adds long-term resale value when designed and built to a high standard.
- Allows you to stay in a location you love without the cost of moving.
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.
Where We Work
We design and build single-storey extensions across Coventry and Warwickshire, including:
We regularly work in Coventry, Leamington Spa, Kenilworth, Warwick, Rugby and Nuneaton, helping homeowners enhance their homes with well-planned, beautifully built extensions.
Frequently Asked Questions
Many single-storey rear extensions fall under Permitted Development, but this depends on size, height and position. We advise at the outset and manage any required applications.
Most single-storey extensions take between 8 and 12 weeks on site, plus time for design and approvals.
Yes, in most cases you can stay in the property. There may be short periods of disruption which we plan carefully with you.
If the extension involves major reconfiguration, it is often the ideal time to install a new kitchen. We can work with your chosen supplier or recommend trusted partners.
Thinking about a single-storey extension in Coventry or Warwickshire?
Get in touch to book a free planning call and we will talk through your options.