
House Extensions Macclesfield
Single-storey, two-storey, porches and garden rooms — J & L Building & Design handles the full project. Architectural design, planning permission, building regulations, and construction, all under one roof.
House Extensions Macclesfield
Expert House Extensions Across Macclesfield & Cheshire
A house extension is one of the most effective ways to add space and value to your Macclesfield home. Whether you need a larger kitchen-diner, an extra bedroom, a home office, or a garden room, J & L Building & Design has been designing and building extensions across Cheshire for over 30 years.
Unlike many builders who subcontract the work, we keep everything in-house. Dave manages your project from the initial consultation through to the final handover — coordinating architectural design, planning, structural work, and all finishing trades under one roof.
Get a Free Extension QuoteFull Project Management
From architectural drawings and planning permission through to construction and final handover — J & L manages every stage.
Planning & Building Regs Handled
We submit all planning applications and building regulations to Cheshire East Council on your behalf. No separate architect needed.
All Trades In-House
Brickwork, roofing, plastering, electrics, plumbing, tiling — our own team handles every trade. One point of contact throughout.
10-Year Workmanship Guarantee
Every extension we build is backed by our written 10-year workmanship guarantee, giving you complete peace of mind.
Extension Types
Types of House Extension We Build in Macclesfield
Every extension project is different. We assess your property, your budget, and your goals — then advise the best approach.

Single-Storey Extensions
The most popular type of house extension in Macclesfield. A single-storey rear or side extension adds a kitchen-diner, utility room, home office, or extra living space. Most fall under Permitted Development.

Single-Storey Extensions
The most popular type of house extension in Macclesfield. A single-storey rear or side extension adds a kitchen-diner, utility room, home office, or extra living space. Most fall under Permitted Development.

Two-Storey Extensions
Double your extra space with a two-storey extension. Ideal for adding a bedroom and en-suite above a new kitchen or living room. We handle full planning applications and structural engineering.

Two-Storey Extensions
Double your extra space with a two-storey extension. Ideal for adding a bedroom and en-suite above a new kitchen or living room. We handle full planning applications and structural engineering.

Porches & Entrance Extensions
A porch adds kerb appeal and practical storage. Most porch extensions in Macclesfield fall within Permitted Development. Quick build time, competitive pricing.

Porches & Entrance Extensions
A porch adds kerb appeal and practical storage. Most porch extensions in Macclesfield fall within Permitted Development. Quick build time, competitive pricing.

Garden Rooms & Summer Houses
A garden room is a cost-effective alternative to a full extension. Perfect for a home office, gym, or studio. We design and build fully insulated, habitable garden structures across Cheshire.

Garden Rooms & Summer Houses
A garden room is a cost-effective alternative to a full extension. Perfect for a home office, gym, or studio. We design and build fully insulated, habitable garden structures across Cheshire.
Why J & L
Why Choose J & L for Your House Extension?
A house extension is a significant investment. Here is why Macclesfield homeowners trust J & L to get it right.
30+ Years of Extension Experience
We have been building house extensions across Macclesfield and Cheshire for over three decades. We know the local planning requirements, common property types, and how to deliver a quality result efficiently.
One Point of Contact Throughout
Dave manages your extension project from first call to handover. No juggling separate architects, structural engineers, and builders — we coordinate everything in-house.
10-Year Workmanship Guarantee
Every extension we complete is backed by our written 10-year workmanship guarantee, giving you complete peace of mind long after we have finished.
Planning & Building Regs Fully Handled
We produce all architectural drawings and submit planning permission and building regulations applications to Cheshire East Council on your behalf. You do not need a separate architect.
All Trades Coordinated In-House
Brickwork, roofing, plastering, electrics, plumbing, tiling — our own team handles every trade. No subcontractor delays, no communication gaps, no surprises.
CITB Registered & Fully Insured
J & L Building & Design is CITB registered and fully insured. You can be confident that your extension project is in the hands of a professional, accountable building company.
How It Works
From First Call to Finished Extension
We manage every stage so you don’t have to coordinate architects, planners, and builders separately.
Call Dave for a Free Consultation
Tell Dave what you want to achieve. He will advise on the best type of extension for your property, budget, and planning situation — with no obligation.
Architectural Design & Planning
Our in-house team produces architectural drawings. We submit any planning permission or building regulations applications to Cheshire East Council on your behalf.
Construction Begins
Our CITB-registered team handles foundations, structure, roofing, windows, insulation, plastering, electrics, and all finishing trades. You have one point of contact throughout.
Handover & 10-Year Guarantee
We complete a thorough snagging process and hand over your finished extension. All work is covered by our 10-year written workmanship guarantee.
Our Work
House Extension Projects
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Service Area
House Extensions Across Macclesfield & Cheshire
Based in Macclesfield, J & L Building & Design carries out house extensions throughout the surrounding areas of Cheshire. Whether you are in the town centre or a rural village, we cover the full area and are familiar with local planning requirements across Cheshire East.
View All Areas We CoverCustomer Reviews
What Our Customers Say
“Dave Jr and Dave senior recently built me a single story rear extension with a new kitchen. I would 100% recommend this company, old Dave's knowledge and kitchen design ideas was just what we needed. Along with young Dave's wife Lauren who helped us with the rest of the designing. I will be using these again for my new bathroom next year! Thanks J & L building designs.”
Alan Jones
Cheshire · Extension & Kitchen
“We have used David and his team for several jobs, they give value for money and are always our first choice for a quote.”
Philip Riley
Cheshire · Multiple Projects
“We have recently used J&L for some work on our business premises. The lads were amazing, did a great job quick and efficient and made sure everywhere was clean before they left. I would 100% recommend 5 star!”
Kyle Gorman
Macclesfield · Building Work
FAQ
House Extension FAQs — Macclesfield
Common questions from Macclesfield homeowners about house extensions.
A single-storey extension in Macclesfield typically costs between £25,000 and £55,000 depending on size and specification. A two-storey extension starts from around £55,000. We provide a free, detailed written quote after a site visit so you have full clarity before committing.
Many extensions fall under Permitted Development rights — meaning no formal planning permission is required. This typically applies to single-storey rear extensions up to 4m deep (detached) or 3m deep (semi-detached). We assess your property at the free quote stage and advise exactly what's needed.
A typical single-storey extension takes 8–14 weeks from breaking ground to completion. A two-storey extension takes 14–20 weeks. We provide a realistic build programme before we start and keep you updated throughout.
Yes — completely. We have in-house architectural designers who produce all drawings and submit planning applications and building regulations to Cheshire East Council on your behalf. You don't need to hire a separate architect or deal with the council yourself.
In most cases, yes. A well-designed extension in Macclesfield can add 10–20% to your property's value — often more than the cost of the build itself. We advise on the most value-adding options for your specific property and location.
House Extensions Macclesfield
Ready to Extend Your Macclesfield Home?
Call Dave for a free, no-obligation consultation. We’ll visit your property, discuss your plans, and provide a detailed written quote — usually within 48 hours.
