Rainham, London
Rainham, London
Single-storey rear extension with bi-fold doors and contemporary kitchen design.
About from company website
Salstan is an award-winning, full-service design and build firm specialising in architecture, planning permission, building regulations, structural design, civil engineering, and construction. With over 20 years of experience, our integrated approach ensures every detail is handled with precision and care, from initial concepts to the final stages of construction. Our architectural designers and engineers work hand-in-hand with seasoned construction professionals, ensuring seamless project delivery.
We pride ourselves on a collaborative approach, tailoring solutions to meet the unique needs of each client. Whether it's a small residential extension or a complex commercial development, we have the skills and knowledge to deliver exceptional results. At Salstan, we don't just build structures; we build relationships, trust, and a legacy of excellence, serving homeowners, developers, and commercial clients across all London boroughs and beyond.
Services
Works as
Sectors
Project experience from company website
Gerrards Cross
Gerrards Cross
Elegant rear extensions with big bifold doors, apex windows and skylights, flooding the space with maximum natural light.
Ilford, London
Ilford, London
Modern rear wraparound extension to a victorian property creating seamless indoor-outdoor living with floor-to-ceiling glazing.
Croydon, London
Croydon, London
L-shaped wraparound extension maximising ground floor living and dining space. On this project we actually completed the loft dormer extension, double storey side and partial first floor rear extensions too!
Kensal Rise, London
Kensal Rise, London
Side and rear wraparound extension with modern kitchen and open-plan family area. Featuring big crittal doors and large skylights on the sloping roof.
Wandsworth, London
Wandsworth, London
Full wraparound extension with panoramic glazing and premium specification. Can you spot the overall balance with the L-shape loft dormer extension we also designed for this client?
Bromley, London
Bromley, London
Two-storey side extension with matching brickwork, extra bedrooms and bathrooms. In fact we also re-designed the entire loft space and had major approvals for an approx 6m by 14m ground floor wraparound extension!
Windsor
Windsor
Grand double-storey rear extension with integrated garage and a full internal remodel of the entire home.
Richmond, London
Richmond, London
Grand double storey rear extension with open-plan kitchen-diner and master suite above.
Merton, London
Merton, London
Hip-to-gable dormer loft conversion/extension to accomodate a master suite with a walk-in wardrobe and a modern ensuite.
Purley, London
Purley, London
Front cottage dormers and a large rear box dormer extension/conversion with Juliet balcony and vaulted ceiling bedrooms. This was pure luxury.
Thames Ditton, Surrey
Thames Ditton, Surrey
Hip-to-gable loft dormer conversion/extension with premium finish. We had to design something different as opposed to the standard dormer extension so it can blend in with the rest of the extensions we designed for this house.
Accreditations from company website
- Institution of Civil Engineers
- The Institution of Structural Engineers
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Questions about Salstan from the record on this page
What does Salstan do?
Salstan is an award-winning, full-service design and build firm specialising in architecture, planning, structural engineering, and construction for residential and commercial projects across London. Their listed services include Design & build, Extensions, Loft conversions, Refurbishment and Civil engineering.
Where is Salstan based?
Salstan is registered at Causeway House, 13 The Causeway, Teddington, TW11 0JR, in London.
What areas does Salstan cover?
Salstan states that it works across London, Surrey, Hertfordshire, Buckinghamshire, Berkshire and Brighton.
How many people work at Salstan?
Accounts filed for the year to 2025 report 4 employees, which places the company in the 1-9 employees band.
What is Salstan's turnover?
Salstan does not disclose turnover: UK small-company accounts are not required to. Based on headcount in its filed accounts, turnover is likely to fall between £290k and £770k. This is an estimate, not a filed figure.
Is Salstan still trading?
Companies House lists Salstan as active, with accounts most recently made up to 2025-03-31.
What accreditations does Salstan hold?
Salstan displays Institution of Civil Engineers and The Institution of Structural Engineers on its website.
What sectors does Salstan work in?
Salstan works in Residential and Commercial.
When was Salstan established?
Salstan was incorporated on 2022-03-28.