Kitchen Extension Specialists
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Bring open-plan living to life with a bespoke kitchen extension in Leeds
Across Leeds, homeowners and property developers are opting for kitchen extensions to transform busy ground floors into bright, open spaces. Whether you’re opening up a galley kitchen or planning a full wrap-around extension, our designs focus on light, layout and everyday practicality. We blend structural expertise with thoughtful detailing, ensuring the space looks good and works effectively.
From the first conversation to the final handover, MRJ Extensions takes care of drawings, permissions, the build and the finishing touches. You’ll have a single point of contact, clear timeframes, and a tidy site, with every stage planned to keep your home running smoothly while we work. The result is a kitchen that becomes the heart of the home, easy to cook in, great for entertaining and connected to the garden.
- Extension options: Rear kitchen extension, side-return infill, wrap-around layouts, and double-storey arrangements to add upstairs space too.
- Daylight features: Roof lanterns, skylights and slimline sliding or bi-fold doors to maximise natural light and views.
- Performance upgrades: High-efficiency glazing, improved insulation and underfloor heating for comfort and lower running costs.
- Smart layouts: Islands and breakfast bars, hidden storage, utility rooms and improved circulation from hallway to garden.
How a Kitchen Extension Improves Space, Light and Performance
The best kitchen extensions do more than add square metres; they enhance the overall functionality of the entire ground floor. Removing internal walls and adding high-quality glazing draws light deeper into the plan, connecting the kitchen, dining, and living zones. With modern insulation, careful air-tightness, and efficient glazing, you can enjoy a warmer space in winter and a cooler space in summer, accompanied by lower energy bills.
Technical choices shape how the room feels and functions. Steel beams open up wide spans, roof lights brighten working areas, and a well-planned extraction route keeps cooking odours under control. MRJ Extensions balances structure and services with finishes that suit your style, resulting in a practical, durable, and easy-to-maintain end result.
- Lighting & Glazing: Roof lanterns, skylights, and slimline sliders enhance daylight and garden views.
- Structure: RSJs/steelwork and lintels sized correctly to create open, column-free spaces.
- Services & ventilation: Thoughtful locations for electrics, plumbing and extraction to keep the kitchen fresh and safe.
- Energy upgrades: Improved insulation and glazing for comfort and reduced running costs.
Materials, Finishes & Long-Term Performance
The finishes you choose set the tone of the room and determine how well it withstands daily life. We guide you through cabinet construction, door styles and hardware that resist wear, plus worktop materials that handle heat and spills. Flooring needs to be hard-wearing, easy to clean and comfortable underfoot. Engineered wood, porcelain and high-quality LVT are all strong choices when paired with underfloor heating.
Beyond looks, the building fabric matters. High-performance insulation, meticulous airtightness detailing, and quality windows reduce drafts and lower running costs. Well-chosen paint systems, moisture-resistant boards and proper trim at door thresholds keep finishes crisp over time. We help you balance budget and specification so the extension feels premium, performs well and is simple to maintain.
- Worktops: Quartz and sintered stone offer stain resistance and low upkeep; solid timber brings warmth with periodic care.
- Cabinetry & storage: Durable carcasses, soft-close hardware and pull-out solutions maximise space and keep clutter out of sight.
- Flooring: Porcelain for durability and easy cleaning; engineered boards for warmth; select finishes with slip resistance for patio thresholds.
- Sustainability & maintenance: Specify low-VOC paints, LED lighting and efficient appliances; plan cleaning access and spare tiles for future repairs.
Your Kitchen Extension Journey: Five Clear Stages
Every successful kitchen extension follows a clear path. We start by understanding how you live and what you want the space to do, more light, better flow, room for a larger table, or a proper utility. From there, we develop a design that respects your budget and property, verify whether the work falls within permitted development, and prepare drawings suitable for approvals, along with accurate pricing. The construction phase is carefully scheduled to ensure trades arrive in the correct order, and we maintain your home’s cleanliness and safety throughout the work progress.
By the time we hand over the keys, you will have a bright, efficient kitchen that feels like it was always part of the house. You’ll receive certificates, guidance on caring for finishes, and contact information for any future adjustments. Below is the typical route most Leeds projects take; we tailor each step to your plot and timeline.
- Consultation & Survey: We visit, measure and discuss goals, style, budget and timescales to confirm feasibility.
- Design & Specification: Layout options, glazing strategy, heating choices and an outline specification for accurate costing.
- Approvals & Building Control: Planning or permitted development checks, structural calculations and building control notices.
- Construction & Coordination: Groundworks, structure, first fix and second fix, with tidy site practices and regular updates.
- Handover & Aftercare: Snagging list, certificates, warranties and maintenance advice for a long-lasting finish.
Kitchen Extension Costs: What to Budget For
Kitchen extension costs vary depending on size, specification, and site conditions, but clear allowances make planning easier. As a guide, many single-storey extensions fall within the range of £1,800–£3,000 per m² for the shell and core build, with higher figures applying to complex steelwork, extensive glazing, or heritage constraints. Your kitchen fit-out (units, appliances, worktops) is a separate line item and can range from £8,000 for a modest package to over £25,000 for premium cabinetry and stone. Professional fees, permissions and VAT should also be included.
We break the quote down so you can see where each pound is spent and adjust specifications without losing key features. This approach helps you protect value, investing in structure, insulation and good glazing, while shaping finishes to suit your budget. A sensible contingency keeps the programme steady if ground conditions or supplier lead times change.
- Build cost bands: Allow roughly £1,800–£2,300 per m² (standard), £2,300–£2,700 per m² (mid), £2,700–£3,000+ per m² (high specification).
- Kitchen allowance: From £8,000 (good quality) to £25,000+ (bespoke/stone worktops); appliances and lighting can add significantly.
- Glazing & doors: Bi-folds/sliders, roof lanterns, and skylights can add £4,000–£15,000, depending on size and glass performance.
- Professional & approvals: Design, structural calculations, building control and (if required) planning; allow 8–12% of build cost.
- VAT & Contingency: Most extensions are subject to a 20% VAT rate; hold a 10–15% contingency for unknowns (e.g., drainage, groundworks).
Craftsmanship You Can See Every Day
A kitchen extension is used from morning to night, so small details make a big difference. Our teams focus on clean lines, consistent gaps and robust fixing methods that keep cabinetry straight and doors smooth. We carefully coordinate steelwork and services, ensuring that ceilings are level, lighting is positioned correctly, and extraction routes operate quietly. Materials are selected for their durability and ease of care, featuring moisture-resistant boards, reliable door hardware, and high-quality sealants.
We also consider acoustics and comfort in open-plan spaces, utilising a combination of finishes and optional acoustic panels to mitigate echoes. Heating is planned for even warmth, and glazing is specified for clarity and energy performance. The outcome is a room that feels well-made, solid underfoot, bright without glare and easy to live with day after day.
- Neat structure: Steels concealed where possible, level ceilings and true openings for doors and glazing.
- Service integration: Sockets, lighting and plumbing aligned with your layout and appliances.
- Durable finishes: Hard-wearing floors, quality hinges and reliable worktop edges.
- Comfort details: Good extraction, warm floors, shading options and thoughtful lighting layers.
Frequently Asked Questions
1) What counts as permitted development for a kitchen extension?
Permitted development typically limits overall height, depth beyond the rear wall, and proximity to boundaries, and expects materials to be in keeping. Because rules vary by house type and location, a formal check or a Lawful Development Certificate is sensible before work starts.
2) What is the best layout for an open-plan kitchen?
A layout that respects the work triangle (hob, sink, fridge) and creates clear zones for prep, cooking and dining works best. Broken-plan designs with partial screens can manage noise while keeping light and flow.
3) How long will the build take?
A typical single-storey kitchen extension takes around 10–16 weeks on site once approvals and procurement are in place. Wrap-around schemes can run 14–22 weeks, depending on scope and lead times.
4) How messy and noisy will it be?
There will be noise and dust at times, as with any building site. We protect routes, manage waste, keep a tidy site and agree sensible working hours to reduce disruption.
5) Do you offer stage payments?
Yes—payments are usually linked to milestones such as shell complete, roof on, first fix, plastered and final completion. This keeps cash flow aligned with progress and gives clarity for both parties.