Construction
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Osn Development Ltd

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

About from company website

For over a decade, OSN Development Limited, based in Hayes, England, has been a privately owned construction company delivering a wide range of expert home improvement and building services throughout the city and surrounding areas. They specialize in the construction of multi-storey structures, new builds, residential and commercial units, groundworks, major refurbishments, and property maintenance works. The company is dedicated to consistently and safely delivering projects on time and within budget, managing all aspects from design and planning to building control and construction to the highest industry standards.

OSN Development Limited's expertise includes new builds for residential and commercial properties, basement construction, RC frames, extensions, conversions, complete renovations, refurbishments, and flat conversions. They pride themselves on their professional team, including designers, architects, surveyors, structural engineers, builders, contract and project managers, all committed to building long-term relationships based on reliability, performance, value, and client satisfaction. They aim to make smart and quality living environments and facilities affordable and reliable.

The company covers the whole of the capital, offering design and build services for various projects, from extensions and refinements to new constructions. They have a proven track record of delivering excellent results on schedule and under budget, working closely with clients to understand their needs and preferences. Their mission is to provide clients with the best possible service using the right techniques and skills in the renovation field.

Services

Works as

Sectors

Project experience from company website

226 Imperial Drive, Harrow

Harrow, HA2 7HJ

Two storey extension to roof and change of use of former Library (Class D1) to use of basement as Office (Class B1), use of ground floor as Café with outdoor seating (Class A3) and Education centre for the training of residents (Class D1), Use of upper floors as six x one bed flats and twelve x studio flats (Class C2)

146 Seven Sisters Road, London

London, N7 7PL

Demolition of existing commercial unit (B2) & construction of building over basement & four upper storeys to provide three storeys of B1a (commercial space) and two storeys of residential (C3) accommodation comprising 5 flats

148 Uxbridge Road, Southall

Southall, UB1 3DP

Conversion of single family dwelling to 3no self-contained residential units, conversion of attached garage into habitable room

66 Woodside Park Road, N12 8RY

N12 8RY

Construction of three storey building to provide 6 self-contained flats

Land rear of 62 Hillfield Road, West Hampstead

West Hampstead, NW6 1QA

demolition of existing garage building and erection of two storey 2-bed dwelling house (Class 3)

84 East Road, West Drayton

West Drayton, UB7 9HA

Loft conversion, double storey side and rear extension, outbuilding

123A Central Avenue, Hayes

Hayes, UB3 2BS

Erection of 2-bed dwelling on the land adjacent to 123 Central Avenue.

14 Conway Drive, West Drayton

West Drayton, UB3 1QD

Erection of part single storey, part two storey side to rear extension and front porch

14 Clevedon Gardens, Hayes

Hayes, UB3 1RE

Loft conversion, double story rear extension, outbuilding

51 The Grove, Finchley

Finchley, N3 1QT

Convert the property in 5 flats

45 Llanover Road, Wembley

Wembley, HA9 7LL

Demolition of existing building and construction of new building containing 6 flats

10 Firbank Drive, Watford

Watford, WD19 4EL

Construction of new 3-bed dwelling

Accreditations from company website

  • NICEIC
  • Gas Safe

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Questions about Osn Development Ltd from the record on this page

What does Osn Development Ltd do?

OSN Development Limited is a construction company based in Hayes, England, offering a wide range of expert home improvement and building services. They specialize in new builds, refurbishments, extensions, and basement works for residential and commercial units. Their listed services include Main contractor, Design & build, Refurbishment, Extensions and Basement works.

Where is Osn Development Ltd based?

Osn Development Ltd is registered at 123 Central Avenue, Osn Office In Rear Outbuilding, Hayes, UB3 2BS, in London.

What areas does Osn Development Ltd cover?

Osn Development Ltd states that it works across England and London.

How many people work at Osn Development Ltd?

Accounts filed for the year to 2023 report 3 employees.

What is Osn Development Ltd's turnover?

Osn Development Ltd does not disclose turnover: UK small-company accounts are not required to. Based on trade debtors in its filed accounts, turnover is likely to fall between £2.4m and £6.3m. This is an estimate, not a filed figure.

Is Osn Development Ltd still trading?

Companies House lists Osn Development Ltd as active, with accounts most recently made up to 2025-05-31.

What accreditations does Osn Development Ltd hold?

Osn Development Ltd displays NICEIC and Gas Safe on its website.

What sectors does Osn Development Ltd work in?

Osn Development Ltd works in Residential and Commercial.

When was Osn Development Ltd established?

Osn Development Ltd was incorporated on 2018-05-02.

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