North London construction company

Building Exceptional Spaces Across London

With over 20 years of experience, we are a trusted North London construction company specialising in new builds, house extensions, loft conversions, basement developments, and complete property refurbishments.

20+ years

Construction experience

12 services

Residential & small commercial

Design & Build

Managed from start to finish

Multiple teams

Quality maintained at every stage

About us

One team for every stage of your project

From initial design and planning through to construction and final completion, we provide a fully managed Design & Build service tailored to every client’s vision. Working closely with architects, structural engineers, and skilled trades, we deliver high-quality craftsmanship, outstanding attention to detail, and projects completed on time and within budget.

Our experienced teams allow us to manage multiple residential and small commercial projects simultaneously while maintaining the highest standards of quality, professionalism, and customer service.

Architect working on a detailed construction plan

Our Vision

Turn each client’s vision into an exceptional, lasting space through careful planning and high-quality craftsmanship.

Our Commitment

Clear communication, reliable project management, attention to detail, and outstanding results.

What we do

Complete construction services

Residential and selected small commercial projects across London and the surrounding areas, delivered safely, efficiently, and to the highest standards.

New Build Homes

New homes managed from initial design through final completion.

House Extensions

Well-planned extensions that expand and improve your home.

House extension construction by Designed House LTD

Loft Conversions

Practical, carefully finished rooms created from roof space.

Basement Conversions

Managed basement developments coordinated with engineers and specialist trades.

Full Refurbishments

Complete property refurbishments delivered by one consistent team.

Refurbished residential kitchen

Project Management

Coordination of architects, engineers, trades, authorities, and building control.

Construction plans and architectural drawings
Why Designed House

Quality. Reliability. Craftsmanship.

A professional, fully managed service focused on exceptional results built to last.

Reliable delivery

Projects are planned for completion on time and within budget.

Clear communication

Professional project management keeps the process organised from start to finish.

Quality workmanship

Skilled builders and specialist trades deliver high standards at every stage.

Attention to detail

Every element is considered with the client's vision and the final result in mind.

Recent work

Real projects, shown honestly

A preview of work documented by the Designed House team. The full gallery contains every image supplied for this project.

Designed House construction project
Designed House construction project
Designed House construction project
Designed House construction project
Architect working on a detailed construction plan
How we work

A clear path from concept to completion

01

Initial concept

We start with your vision, requirements, and the space you want to create or transform.

02

Design & planning

We work closely with architects, structural engineers, local authorities, and building control.

03

Construction

Experienced builders and specialist trades deliver the work safely, efficiently, and to high standards.

04

Final completion

The project is completed with careful attention to detail and a lasting finish.

Built around your project

A team equipped for complete delivery

Whether you’re creating your dream home, extending your living space, or transforming an existing property, we’re committed to delivering exceptional results built to last.

Residential

New builds, extensions and conversions

Commercial

Selected small commercial projects

Managed

Several experienced construction teams

Construction specialist working in a London workshop
Project questions

What to know before we begin

A concise overview based on the services and working approach provided by Designed House LTD.

We deliver residential and selected small commercial projects across London and the surrounding areas.
Yes. We provide a fully managed Design & Build service from initial design and planning through construction and final completion.
Our team includes builders, electricians, plumbers, and specialist tradespeople. We also work closely with architects, structural engineers, local authorities, and building control.
With several experienced construction teams, we can deliver multiple projects simultaneously while maintaining quality, attention to detail, and reliable completion times.
Start a conversation

Let's build an exceptional space together

From the initial concept to the final finish, we are dedicated to turning your vision into reality.