FAS2BUILD

We design and build creative and inspiring spaces for modern London life.

Inspiring multi-level London extension by design-build architects, featuring a large glass roof, open-plan living with wood flooring, and garden view.
Modern London kitchen extension by design and build architects, with large skylights, floor-to-ceiling glass doors, bespoke wooden cabinetry, and a lush garden view.
Inspiring London loft conversion by design and build architects, featuring innovative skylight balcony windows opening over London rooftops.
Vaulted ceiling London loft bedroom by design and build architects, featuring exposed beams, diamond pane window, and bespoke storage solutions.
Contemporary black London garden room extension with structural glass, integrated into a terraced home by design and build architects, leading to a landscaped garden.
A detailed 3D line drawing of a small modern house with a sloped roof, attached deck, and multiple windows.

About Us

As a family-run design and build firm, Fas2Build transforms London homes with care and expertise, from full house renovations and complex structural work to bespoke extensions and single-room refurbishments.

Our team of architects and builders delivers a seamless, end-to-end architectural and construction service, guiding you from early feasibility studies and consultations to planning permission and building regulations. All delivered with the personal care and and transparent guidance only a family business can provide, ensuring your vision comes to life beautifully and efficiently.

Learn more

I’m looking to….

DO A FULL HOUSE RENOVATION

Full renovation transforms your entire home inside and out. We will guide you through design, planning, and construction process to deliver a home that’s built perfectly to you.

Explore a Full House Renovation

ADD A HOME EXTENSION

We’ll help you design a seamless addition that enhances your home’s value, character, and comfort.

Add a single-storey, double-storey, front porch, extension or do a loft conversion, garage conversion or even add a garden outbuilding.

See Extension Options

REDESIGN PARTS OF MY HOME

A redesign refreshes the way your home feels and functions. Our architects work closely with you to reimagine your space to your needs.

Discover Home Redesign Services

Areas we work in

SOUTH

Richmond
Wandsworth
Kingston
Lambeth
Merton
Sutton
Lambeth
Southwark

WEST

Kensington & Chelsea
Hammersmith & Fulham
Westminster
Ealing
Brent
Hounslow
Hillingdon

NORTH

Harrow
Barnet
Camden
Islington
Haringey

What Our Clients Say

  • "It has been an absolute pleasure working with Fast2Build (loft conversion). Miri and Armand are reliable, responsive, trust worthy and hard working. Would recommended Fast2Build to anyone, and will 100% be using them again for any future building projects. Thank you Miri and Armand!!"

    —Arabella

  • "Outstanding service and quality - would trust Miri and Armand with anything, cannot recommend them highly enough. (We had a loft extension which was completed on time for a reasonable price)."

    —Jack

  • "Amazing, highest quality decorators; our house has been totally transformed. Lovely people too. Highly recommend!"

    —Umber

  • "I used FAS2BUILD for a loft extension and total overhaul of my flat. The team were very professional, on-time and polite. They did an excellent job and I can't fault them at all! Even on small snagging items and ongoing communication since the project, they have been very responsive. The work has been carried out to a very high standard and I have recommended them over and over since! Thanks very much guys!"

    -Former Customer

  • "Miri and his team, particularly his brother Armand (the two of them were superb), absolutely transformed our apartment and gave us solid advice from start to finish. Cannot recommend them highly enough, thank you both for a superb job."

    - Former client (Complete Property Refurbishment)

Let’s Design!

From conceptualizing to constructing, we’re ready to design your architectural dream. We promise a client-centric approach that empowers ideas, eases concerns, and delivers quality craftsmanship we’ll all be proud of.

Services

About Us

Fas2Build Ltd, Company number 14370634

Areas We Service

WEST

Kensington & Chelsea
Hammersmith & Fulham
Westminster
Ealing
Brent
Hounslow
Hillingdon

SOUTH

Richmond
Wandsworth
Kingston
Lambeth
Merton
Sutton
Lambeth
Southwark

NORTH

Harrow
Barnet
Camden
Islington
Haringey