Construction
Network UK

Triangle Construction Ltd

Active, accounts up to date·main contractor & developer·Head office London

About from company website

At Triangle Construction, we build on the principles of strength, stability, and precision, mirroring the strongest shape. Led by Altin, a structural engineer with over 25 years of industry expertise, we approach every project with an unwavering commitment to these foundational principles. We operate in North West London, prioritizing quality, cost, and time to ensure client satisfaction.

Our approach focuses on balancing these three key elements seamlessly. We maximize quality by employing an experienced team of tradespeople and partnering with leading suppliers to deliver exceptional finishes. We minimize costs through transparency, ensuring agreed prices are final with no hidden extras.

Deadlines are paramount, and we leverage our extensive network and streamlined processes to complete projects on time without compromising quality. Your home is our passion, and your fulfillment is our priority. We are committed to quality, treating every home with the same care and dedication as we would our own.

We tailor each project to embody your unique style while delivering timeless quality and modern functionality. Contact us today for a free consultation and quote, and trust in the Triangle to see your dream space come to life.

Services

Works as

Sectors

Project experience from company website

Ealing, 2025

Ealing

A full extension and refurbishment project.

Richmond upon Thames, 2023

Richmond upon Thames

Full refurbishment and extension of a Grade II listed building, including work to the roof and garden areas. Shortlisted for the 2024 Federation of Master Builders (FMB) Awards.

Radlett, 2022

Radlett

An extension and full refurbishment, incorporating modern design elements and premium materials.

Ealing, 2022

Ealing

A single-storey rear extension, loft conversion, and full refurbishment, significantly enhancing the overall space and functionality.

Whetstone, 2021

Whetstone

Major work including a loft conversion, ground floor extension, and new basement level, with a full refurbishment of the existing property. A strong focus was placed on detail and finish.

St Albans, 2020

St Albans

Double-storey wraparound extension and complete refurbishment, transforming the property into a sleek, modern family home with clean lines and a high-quality finish.

Elstree, 2020

Elstree

A 6-metre double-storey wraparound extension, loft conversion, and full refurbishment, bringing the client's vision of a spacious, light-filled home to life.

West Ealing, 2019

West Ealing

A rear extension, loft conversion, and full refurbishment. Careful attention to finishes created a refined interior, tailored for comfortable everyday living.

Accreditations from company website

  • FMB

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Questions about Triangle Construction Ltd from the record on this page

What does Triangle Construction Ltd do?

Extensions, loft conversions, and more. Based in North London, we use 25 years of experience to turn your house into your dream home. Their listed services include Extensions, Loft conversions and Refurbishment.

Where is Triangle Construction Ltd based?

Triangle Construction Ltd is registered at 34 Fernside Avenue, Mill Hill, London, NW7 3AY, in London.

What areas does Triangle Construction Ltd cover?

Triangle Construction Ltd states that it works across North West London, Barnet, Belsize Park, Borehamwood, Bushey and Chelsea.

How many people work at Triangle Construction Ltd?

Accounts filed for the year to 2025 report 7 employees, which places the company in the 1-9 employees band.

What is Triangle Construction Ltd's turnover?

Triangle Construction Ltd does not disclose turnover: UK small-company accounts are not required to. Based on headcount and trade debtors in its filed accounts, turnover is likely to fall between £330k and £870k. This is an estimate, not a filed figure.

Is Triangle Construction Ltd still trading?

Companies House lists Triangle Construction Ltd as active, with accounts most recently made up to 2025-03-31.

What accreditations does Triangle Construction Ltd hold?

Triangle Construction Ltd displays FMB on its website.

What sectors does Triangle Construction Ltd work in?

Triangle Construction Ltd works in Residential.

When was Triangle Construction Ltd established?

Triangle Construction Ltd was incorporated on 2011-06-30.

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