Joshua Heasman Architecture, designing carefully made spaces
Award-Winning Residential Architecture in London

Joshua Heasman Architecture is a design studio focused on creating beautiful, carefully made buildings and spaces. We make the process enjoyable and energising, leading the project from first ideas through to completion and managing the whole team so your project is delivered with clarity, quality and no compromise.

Ready to start your project?

Whether you're considering an extension, renovation, or new build, we'd love to hear about your vision. Get in touch for an initial consultation to discuss how we can bring your project to life.

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Lantern house barnes large extension
Plan diagram of wine bar and restaurant
Kinsugi Bench, Gold leat and Douglas fir
Newington Green architects, North London
A brick wall with a black outdoor light fixture and green leafy plants at the bottom, with sunlight and shadows on the wall.
Textured oak, lighting design
Douglas fir, timber garden studio, office
View of an inviting outdoor patio with two green metal chairs, lush potted plants, and a wooden privacy fence, seen through a glass door.
Modern kitchen with black cabinets, white countertop, shelves holding a potted plant, bottles, and books, stove, and small cutting boards.
Large extension in conservation area
Close-up of a modern building corner with beige and brown brick walls and a large window.
New build house by the river thames putney London
Grade II listed building renovation, Wine bar Architect
Minimalist kitchen corner with a black cabinet, gray stone countertop, white wall, and a contemporary white wall sconce light fixture.
A gray and white cat lying on a marble kitchen island, with modern beige and wood cabinets, a marble backsplash, and a cutting board in the background.
Indonesia villa, bali villa
A digital illustration of a multi-story residential building with a rooftop patio, large windows, and trees surrounding the property.
Indoor space with a large projection of a cat on the wall, showing a close-up of a cat walking on pavement. The room has wooden ceiling beams, potted plants, and a concrete floor.
Close-up image showing the intersection of a wooden floor and gray tiled flooring, with a small section of a black chair leg visible at the top right corner.
Wood-paneled ceiling with a skylight showing green leaves and sky above.
Modern interior living space with skylight, white walls, artwork, and a window showing trees outside.
Part of a modern kitchen with light wooden cabinets, a gray marble backsplash, and a black electrical outlet.
A wooden table holds several stacked books, with a dark ornate fireplace and a mirror with a gold frame in the background.
Bespoke wine rack, oak Architecture interior design
Top-down view of a wooden dining table with a natural wood grain pattern, accompanied by two chairs with woven seats and curved wooden armrests, on a dark tiled floor.
Newington Green House, Interior design and architecture
Lombok, Bali, Indonesia villa architetcure
Marble bread board designed by JHA
Bespoke joinery, marble and oak coffee table
A gray cat standing on a wooden table in a modern kitchen, with a painting on the wall in the background.
Sketch of an urban scene with stairs, buildings, and people walking.
Architectural blueprint of a building with various elevations and floor plan details.
A small round table with a white marble top and wooden legs, against a plain beige background.
A black and white line-drawing illustration of a multi-story residential building with surrounding trees, outdoor furniture, and a garden.
A white rectangular dining table with four black chairs around it, viewed in a 3D wireframe model with detailed construction of the furniture in technical drawings.
Interior view of a modern dining area with large glass windows showing a garden with trees and plants outside. The wooden dining table has an open magazine, a can, and a few decorative items. Green plants are inside, and there is a built-in shelf with a vase, a small bowl, and apples.