Built for Impact. Construction Without Compromise

We bring structure, certainty, and sharp thinking to every project. Our team blends technical understanding with exceptional management, aligning project delivery with the long-term goals of our clients. From concept to completion, our focus is lasting value.

At One Four Six Group, we approach construction with clarity, integrity, and control — managing every detail with purpose, and building trust through exceptional delivery.

From conception to on site completion, we deliver every project with discipline, transparency, and attention to detail — ensuring successful outcomes for our clients.

Experience

50+

With over 50 years of combined industry experience, our team has delivered a wide range of projects across various procurement routes, contract forms, and construction methodologies—ensuring technical rigour, commercial control, and programme certainty at every stage

Health and Safety

0 Incidents

Every project delivered to date, across our group, has been completed without a single health and safety incident. This record reflects our commitment to rigorous health and safety standards, underpinned by our SafeContractor accreditation

M2 Delivered

100,000 m2

Through our group of companies, we’ve successfully delivered over 100,000 square metres of residential, commercial, and mixed-use space, demonstrating our capability to manage complex delivery programmes and coordinate across disciplines at scale.

Specialised Sectors,
Exemplar Delivery

Backed by years of combined experience, we deliver construction projects across key sectors with clarity, measured precision, and consistency that earns trust.

Residential

We construct high-quality homes that stand the test of time. Our experience spans private sale, build-to-rent, affordable, and mixed-tenure developments. We operate with precision and discipline across varied development models, with a sharp understanding of our clients’ priorities.

Commercial

We deliver commercial workspaces with pace and precision. Our experience includes CAT A and B fit-out, reconfiguration, and asset repositioning. We manage stakeholder input, logistics, and programme constraints with discipline and clarity —always aligned to our clients’ objectives.

Retail

Retail environments demand agility, control, and brand awareness. Our methodology is tailored to live environments, fast-track programmes, and brand-led requirements. With  operational discipline and a clear focus on finish, we support retail clients in delivering high-quality retail spaces without compromise.

Planned & Capital Maintenance

We provide building maintenance services with technical accuracy and disciplined execution. Our work covers fabric, MEP systems, compliance upgrades, and lifecycle interventions — sustaining performance, protecting welfare, and preserving asset value.

Our Work in Action, Thoughtful Projects That Shape the Future

123 Shirland Road

123 Shirland Road

Having served as a laundrette for over 20 years, Shirland Road was acquired by our group with planning permission to deliver 8 high-quality residential flats and Class E commercial space. This project represents a flagship design and build scheme, aiming to create a prime private rental sector (PRS) development in the highly sought-after Maida Vale area of Westminster

Maida Vale, Westminster

Mixed Use

£6m

Topset Portfolio Capital Maintenance

Topset Portfolio Capital Maintenance

One Four Six Group supports Topset Investments with the planning and execution of capital works across their UK property portfolio. Our role includes strategic refurbishment, lifecycle replacements, compliance upgrades, and reactive improvements.

National

Planned and Capital Maintenance

Confidential

146 New Cavendish Street

146 New Cavendish Street

Originally a 1960s property, this building has undergone a meticulous transformation to blend modern functionality with the warmth and comfort of home. Stripped back, thoughtfully re-planned, and upgraded to the highest standards, the New Cavendish Street project offers a contemporary, luxury workspace designed for both productivity and well-being.

Fitzrovia, Westminster,

Commercial

£2m

111-113 Great Portland Street

111-113 Great Portland Street

Located in the heart of Fitzrovia, 111–113 Great Portland Street is a character office building arranged over five floors. Acting on behalf of the outgoing tenant, we planned and delivered a full programme of dilapidations works to meet lease obligations and return the space to a clean, lettable condition.

Fitzrovia, Westminster

Commercial

£150k

123 Shirland Road

123 Shirland Road

Having served as a laundrette for over 20 years, Shirland Road was acquired by our group with planning permission to deliver 8 high-quality residential flats and Class E commercial space. This project represents a flagship design and build scheme, aiming to create a prime private rental sector (PRS) development in the highly sought-after Maida Vale area of Westminster

Maida Vale, Westminster

Mixed Use

£6m

Topset Portfolio Capital Maintenance

Topset Portfolio Capital Maintenance

One Four Six Group supports Topset Investments with the planning and execution of capital works across their UK property portfolio. Our role includes strategic refurbishment, lifecycle replacements, compliance upgrades, and reactive improvements.

National

Planned and Capital Maintenance

Confidential

146 New Cavendish Street

146 New Cavendish Street

Originally a 1960s property, this building has undergone a meticulous transformation to blend modern functionality with the warmth and comfort of home. Stripped back, thoughtfully re-planned, and upgraded to the highest standards, the New Cavendish Street project offers a contemporary, luxury workspace designed for both productivity and well-being.

Fitzrovia, Westminster,

Commercial

£2m

111-113 Great Portland Street

111-113 Great Portland Street

Located in the heart of Fitzrovia, 111–113 Great Portland Street is a character office building arranged over five floors. Acting on behalf of the outgoing tenant, we planned and delivered a full programme of dilapidations works to meet lease obligations and return the space to a clean, lettable condition.

Fitzrovia, Westminster

Commercial

£150k

Work Flow

Stage 1

Stage 2

Stage 3

Stage 4

Stage 5

Pre-Construction Advisory

Early input, PCSA, risk, planning

Pre-Construction Advisory

Early input, PCSA, risk, planning

Pre-Construction Advisory

Early input, PCSA, risk, planning

Design & Build

Route to procurement and delivery under single contract

Construction Management

Phased trade procurement and Site coordination

Design & Build

Route to procurement and delivery under single contract

Traditional Contracting

Tendered or Negotiated build role under full design

Construction Management

Phased trade procurement and Site coordination

Design & Build

Route to procurement and delivery under single contract

Traditional Contracting

Tendered or Negotiated build role under full design

Construction Management

Phased trade procurement and Site coordination

Meet Our Team

One Four Six Group is built around its people — experts in delivery, uncompromising in standards, and unwavering in our commitment to our clients.

Harry Shand

Managing Director

David Karseladze

Director

Giorgi Adeishvili

Governance Manager

What Our Client Say

03 / 15

“Working with One TBC Six Group was a seamless experience from day one. Their strategic mindset and attention to detail helped us unlock value we didn’t even know was possible.”

Lana

Professional Investor