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Local builder you can trust in Derby
Builders in Derby — extensions, loft conversions, renovations and brickwork. 3.4★ from 28 Google reviews.
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What We Do
Our Services in Derby
What Raja Sahib Construction Ltd can help with
Extensions
Single and double-storey extensions built to match your existing home in Derby.
Loft Conversions
Converting unused loft space into bedrooms, studies or living areas in Derby homes.
Renovations
Full-scale renovation projects that update kitchens, bathrooms, electrics and structure in Derby.
Brickwork
Bricklaying, pointing and masonry repairs for walls, chimneys and garden features in Derby.
Groundworks
Foundation digging, drainage, concrete floors and site preparation for Derby building projects.
New Builds
Building new homes from the ground up in Derby, from planning through completion.
In detail
What each job covers
Extensions
Structural design, building regulations approval, footings, walls, roof, windows, doors, internal finishes, utilities and connection to existing services.
When you need it. When a home needs more space but moving isn't an option, or when a kitchen or living area feels too cramped.
Before you get in touch. Know your budget and rough requirements. Have measurements of the property available. Check garden boundaries.
Loft Conversions
Staircase installation, flooring, insulation, roof windows or skylights, electrics, plumbing, plastering and finishing to building regulations standard.
When you need it. When a bedroom or office is needed but ground-floor space is limited, or to add value before selling.
Before you get in touch. Measure the loft height and roof pitch. Check for existing water tanks or utilities. Note roof condition.
Renovations
Planning, structural assessment, rewiring, replumbing, new kitchens and bathrooms, plastering, flooring, decoration and building regulations compliance.
When you need it. When old electrics are unsafe, plumbing fails repeatedly, or a property needs a complete refresh.
Before you get in touch. List which rooms need work. Photograph problem areas. Know your budget and preferred finishes.
Brickwork
Repointing mortar joints, replacing damaged bricks, building new walls, repairing chimneys, garden walls and matching existing bonds and colour.
When you need it. When mortar fails and water enters, bricks crack, or new walls are needed for gardens or outbuildings.
Before you get in touch. Photograph damaged areas clearly. Note the age of the building. Identify the mortar type if known.
Groundworks
Site clearance, excavation, trenching for services, foundation digging, compaction, drainage installation, concrete floors and site levelling.
When you need it. Before any new build or major extension, or when drainage fails, foundations settle or site access is blocked.
Before you get in touch. Obtain site plans if available. Locate existing drains and utilities. Check for tree roots or contamination.
New Builds
Full design and build from groundworks through to completion: foundations, structure, services, finishes and all building regulations sign-off.
When you need it. When land is available and planning permission is in place, or to build a custom-designed home.
Before you get in touch. Secure planning permission first. Have architectural drawings or plans. Confirm finance and timescale.
Why Choose Us
The Derby builder you can actually trust
- Based in Derby, covering the surrounding area
- Rated 3.4★ across 28 Google reviews
- Covering Extensions, Loft Conversions, Renovations and more
- Opening hours published on Google, so you know when to call
- Reviewers most often mention single storey extension, competitive pricing, bathroom overhaul
- Message us on WhatsApp to talk through what you need
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Sample layout. The three cards above are not real reviews and no rating is claimed.
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In the reviews
What customers mention most
Google groups review text into topics. These come up most often across 28 reviews, with how many mention each.
When we're open
Opening hours
Hours as published on Google. If they are out of date, tell us and we will change them.
Good to know
Common questions
General guidance about builders in the UK, not specific to any one business.
Do I need planning permission for an extension?
Many single-storey extensions qualify for permitted development and skip planning, but multi-storey additions, those near boundaries, or listed properties usually need it. Building regulations approval is always required.
What's the difference between building regulations and planning permission?
Planning permission controls what can be built and where. Building regulations ensure the work is structurally sound, safe and complies with energy standards. Both are often needed.
How long does a loft conversion typically take?
Most loft conversions take 8 to 12 weeks from start to completion, depending on complexity, existing services and weather. Approval and design add time before work begins.
Can I live in my house during renovation?
It depends on the scope. Small kitchen or bathroom work is manageable, but major structural work or rewiring requires areas to be sealed off. Dust and noise will be significant.
What's involved in building regulations approval for groundworks?
The local authority inspects foundations, concrete floors, drainage and backfill at key stages. They verify depths, materials, compaction and connections to the mains or septic tank meet standards.
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Derby & surrounding areas
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