Single Storey Extension Builders in Manchester

Single-storey extensions designed around the house

A single-storey extension is often the most direct way to change the ground floor without changing the way the rest of the home works. It can make room for a larger kitchen, a dining area, a family space or a calmer connection to the garden. The key decisions are usually not about how far the new wall can project. They are about light, access, drainage, the relationship with the existing house and what the room has to do every day.

MNB Brickwork provides structural-build work for single-storey extensions across Greater Manchester. The first survey looks at the property, the outline design and the practical conditions that affect the masonry and external shell. That includes the existing walls, ground levels, delivery access, drainage routes, planned openings and material matching. The survey provides the basis for a project-specific quotation rather than a generic package.

Rear single-storey extensions

A rear extension can work well when the present kitchen or living room ends abruptly at the back wall. Extending from that point can make space for a dining table, better circulation, doors to the garden or a kitchen layout that is less cramped. The design should start with the room and not a maximum measurement. A smaller, carefully planned footprint can sometimes be more useful than a deeper addition that creates a dark or awkward arrangement.

Before construction, the new floor level, drainage, damp-proof details, rainwater goods, ventilation and the opening into the original house need to work together. The visible brickwork also needs to sit properly beside the existing wall. MNB can build from approved drawings and structural information, then coordinate the foundations, masonry, openings and weatherproof shell with the wider project team.

Side single-storey extensions

A side extension can turn a narrow gap next to a semi-detached home into useful internal space. It may support a utility room, a wider kitchen or a more generous route between the front and rear rooms. The boundaries, existing side elevation, access route and neighbouring property have a greater influence here than they do on many rear-only additions. A survey should identify these constraints before a layout is treated as fixed.

Under the standard householder permitted development rules, a side extension must be single-storey, no higher than 4 metres and no wider than half the width of the original house. That does not settle the planning position by itself. Article 4 directions, conservation-area controls, a condition on a past permission or the details of a corner plot can change the answer. MNB will discuss the structural work, while the council should confirm the planning route.

Single-storey extension cost

A single-storey extension cost depends on the work that sits behind the finished room. Foundations and ground conditions, steelwork, drainage, access, glazing, roofing, services, brick selection and the internal finish all matter. It is important to compare written scopes rather than comparing a single headline figure, because two proposals can include very different levels of work.

As a broad UK guide only, published cost guides place a typical single-storey extension at around £1,800 to £3,000 per square metre before VAT, with the final amount affected by the specification and site. This is not an MNB price or a local price promise. Every job is quoted after a free survey, and MNB will confirm the structural-build scope for the property before providing a quotation.

Planning, prior approval and Building Regulations

Some single-storey rear extensions can be permitted development, but that is not the same as assuming no planning check is needed. The usual rear limits are 4 metres beyond the original rear wall for a detached house and 3 metres for any other house, with a maximum height of 4 metres. Larger rear extensions may use the prior-approval process up to 8 metres for a detached house or 6 metres for another house, subject to conditions and neighbour consultation.

Extensions and other buildings must not cover more than half the land around the original house. The house history, designated land, Article 4 directions and local conditions must also be considered. Building Regulations approval is a separate process. MNB does not make planning decisions. Check the proposal with the local planning authority or seek a lawful development certificate before relying on permitted development.

Single-storey extensions across Greater Manchester

MNB Brickwork discusses single-storey extension projects across Worsley, Salford, Bolton, Wigan, Stockport and Manchester. The same national planning rules may be relevant across the region, but access, previous alterations, boundary conditions, house type and local restrictions are individual to the property. That is why a free survey comes before a quotation.

If you are considering a rear or side extension, bring any sketches, photographs, planning information or structural drawings to the first conversation. MNB can assess the masonry and structural-build requirements and explain the information needed before the work is priced. Contact the team on 07821 482488 or use the contact page to arrange a free survey.

What the structural-build scope considers

Rear and side extension masonry planned from the property survey and agreed drawings

Foundations, walls, openings and external shell work coordinated around the wider build

Existing bricks, mortar, thresholds and drainage considered before materials are ordered

Practical discussion of access, boundary conditions and site set-up

Free surveys and project-specific written quotations across Greater Manchester

Planning and Building Regulations treated as separate, address-specific checks

Questions homeowners ask

Do I need planning permission for a single-storey extension in Greater Manchester? Some proposals may be permitted development if every relevant limit and condition is met. The answer depends on the original house, earlier extensions, the design and local restrictions. Check the exact proposal with the relevant council or apply for a lawful development certificate.

How far can a single-storey rear extension project without planning permission? The standard limit is 4 metres from the original rear wall for a detached house and 3 metres for any other house, with a maximum height of 4 metres. Larger rear extensions can use prior approval in some cases. Check the property-specific position before work starts.

Can I build a single-storey extension on the side of my house? A side extension may be permitted development only where it is single-storey, no higher than 4 metres and no wider than half the width of the original house, subject to all other limits. Boundary position and local restrictions still need checking.

What does a single-storey extension cost? Published UK guides can provide an early budget range, but they are not a quote for an individual property. Every job is quoted after a free survey because foundations, structure, access, materials, services and finishes affect the final scope.

Do single-storey extensions need Building Regulations approval? Building Regulations approval is usually required for an extension and is separate from planning permission or permitted development. The correct route should be confirmed with a building control body for the agreed design.

Do you cover Worsley, Salford, Bolton, Wigan, Stockport and Manchester? MNB Brickwork provides extension structural-build work across Greater Manchester, including Worsley, Salford, Bolton, Wigan, Stockport and Manchester. Contact us to discuss a free survey for your property.