Restoration, Conservation, Cob & Lime Specialists
At A1 Complete Builders, our Loft & Roof Conversion service enables you to unlock the full potential of your home by transforming unused roof space into beautiful, functional rooms. Whether it’s creating an airy loft bedroom, a dormer extension, en-suite bathroom, or roof terrace, we specialise in delivering conversions that marry style, comfort and structural integrity.
We begin with thorough planning and surveys to assess loadings, structural constraints, insulation, ventilation and daylight. Working with you, we develop designs that respect your home’s character, make best use of the roof pitch and internal height, and comply with building regulations. Our team handles all aspects—roof alterations, dormer works, staircases, windows/skylights, insulation, plumbing, electrics and finishing touches—so that the new space feels seamless and fully integrated.
With meticulous craftsmanship, high-quality materials and attention to detail, A1 Complete Builders ensures your loft conversion adds usable living space, light, value and comfort. Let us help bring your aspirations upstairs, stylishly and securely.
A1 complete builders have been recommended by our client Mrs Wakefield to Mrs Renwick to construct a large bedroom en-suite dormer and associated extensive alteration works in the property.
A1 complete builders have been instructed to undertake a loft conversion for local clients in Carbis Bay.
Loft conversion Trevissome Higher Fraddon
A1 complete builders Ltd was awarded this contract from a recommendation from an existing client in Porthleven.
A1 complete builders received an instruction to build a first floor bedroom extension and construct two dormers in the main farm house.
Scope of works was to remove an existing Delabole slate roof and set aside. Shutter and pour a reinforced ring beam around the perimeter. Build a timber frame first floor bedroom finished with powder coated aluminium windows and Ceder cladding class B. Fit internal stair case and tongue and groove timber to vaulted ceiling. Dormers constructed with steel A frames and timber frame with Ceder cladding finish to the external with aluminium windows.
A1 Complete Builders have been awarded a contract in South Tehidy to Renovate a 18th Century former Pilchards house also extend the kitchen area and convert the Loft space to include a roof dormer.
This property has been in the same family for three generations being bought originally for a sum of £22,000.00, recently sold for over £400,000.
A1 will convert the loft space to create a ensuite bedroom cutting into the rear roof and build a dormer over the new stairwell.
The first floor will benefit from a second new ensuite linked to the master bedroom also the removal of all plaster lath ceilings throughout and floors to the ground floor, installing new D.P.M membranes.
A ground source heating system is being installed to service the three bathrooms and under floor heating installation. There will also be a complete new up to date electrical Installation and alarm system.
The property will also benefit from an extended kitchen area and upgrading of the rear roof.
Duration of time on site: 5 months
This 1950s Bungalow had huge scope in the loft and lent favourably towards a roof conversion. A1s job was to undertake the Structural work and build three Roof dormer conversions only as our client being a carpenter intended to finish the internal works himself.
Our team of experts cut through the cut roof and constructed three double dormers, front and rear. All mini roof tiling undertaken and all lead work, fitting of double glazed windows.
Duration of time on site: 6 weeks
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