Our building services

A house extension adds floor space without the cost of moving. We design it, sort the approvals and build it under one contract, from the foundations to the final coat of paint.

Single-storey extensionsA ground-floor room at the back or side, often with a flat roof and a roof lantern.£1,950–£2,900 per m² of floor areaLearn more Double-storey extensionsTwo floors of new space: a bigger kitchen below and a bedroom above.£1,650–£2,500 per m² of floor area (both floors)Learn more Side extensionsUse the gap beside the house for a utility, study, garage or extra bedroom.£1,700–£2,650 per m² of floor areaLearn more Side return extensionsFill the narrow side alley of a terraced house to widen the kitchen.£2,300–£3,300 per m² of floor areaLearn more Wraparound extensionsAn L-shaped extension across the side return and rear for maximum space.£2,200–£3,200 per m² of floor areaLearn more Kitchen extensionsExtend and fit out a new kitchen-diner in one project.£2,250–£3,400 per m² including a mid-range kitchenLearn more OrangeriesBrick piers, tall glazing and a lantern roof: a light-filled garden room.£2,400–£3,400 per m² of floor areaLearn more Glazed and contemporary extensionsModern extensions with large glass walls, slim frames and clean lines.£2,800–£4,200 per m² of floor areaLearn more PorchesA brick or glazed porch to keep coats, shoes and draughts out of the hall.£6,500–£16,000 from a 3 m² porch to a small front extensionLearn more

A loft conversion turns roof space into a bedroom, bathroom or office. The right type depends on your roof shape, the headroom you have and what planning allows on your street.

Dormer loft conversionsA box dormer adds full-height space at the back of the roof.£48,000–£68,000 for a typical rear dormer with en-suiteLearn more Hip-to-gable loft conversionsStraighten a sloping side roof into a gable wall for more space.£55,000–£78,000 for a hip-to-gable with rear dormerLearn more Mansard loft conversionsA steep-sided roof storey: the most space a loft can give.£65,000–£95,000 for a typical rear mansardLearn more Rooflight loft conversionsConvert within the existing roof using roof windows: the simplest option.£30,000–£45,000 for a typical rooflight conversionLearn more Bungalow loft conversionsTurn a bungalow roof into bedrooms, often with front and rear dormers.£45,000–£80,000 for a typical bungalow conversion with dormersLearn more

Converting space you already have is often the quickest way to gain a room. We handle the structural, damp-proofing, insulation and approval work that makes a conversion a proper part of the house.

Garage conversionsTurn an integral or attached garage into a room, office or annexe.£18,000–£30,000 for a single integral garageLearn more Basement conversionsConvert a cellar or dig a new basement for extra living space.£1,900–£3,200 per m² for converting an existing cellarLearn more Barn conversionsConvert a barn or agricultural building into a home.£1,800–£3,000 per m² of floor areaLearn more Garden annexesA self-contained annexe for family, guests or a home office.£1,800–£2,800 per m² of floor areaLearn more

We build new homes for plot owners and small developers, from a single house on a garden plot to a short terrace or cul-de-sac.

New build homesOne-off new houses built for plot owners and self-builders.£2,000–£3,200 per m² of floor area (build cost)Learn more Small housing developmentsDesign and build for schemes of two to nine homes.£1,800–£2,700 per m² of floor area (build cost)Learn more

Renovation covers everything from re-planning a ground floor to stripping a house back to brick and starting again. Structural changes are designed by an engineer and signed off by building control.

House renovationsWhole-house renovation: rewire, replaster, new layout and finishes.£900–£1,800 per m² for a medium to full renovationLearn more Structural alterations and knock-throughsRemove load-bearing walls with steel beams for open-plan living.£4,500–£9,500 for a typical knock-through with steel beamLearn more

Every project starts on paper. We prepare the drawings, arrange structural calculations and handle planning, building control and party wall matters, either as part of a build or on their own.

Architectural design and drawingsMeasured surveys, planning drawings and building regulations drawings.£1,500–£4,500 for planning and building regulations drawings for a typical extensionLearn more Planning and building regulationsApplications, lawful development certificates, building control and party wall notices.£750–£2,500 for application management (council fees extra)Learn more