Junior Architectural Designer / Project Coordinator

OS Builders Merchants Ltd; Greater London; On-site; GBP 28,000 - 32,000; Full time

Job summary

OS Builders Merchants Ltd in Greater London is seeking a junior Architectural Designer / Project Coordinator. The role blends architectural design support, client communication and project coordination for house extensions, garages, and small residential/commercial projects.

The candidate should read 2D drawings, use CAD tools, and engage with clients while ensuring UK Building Regulations compliance. Full-time, office-based with site visits.

Qualifications

• Background in architecture, architectural technology, construction or related field.
• Ability to read and prepare 2D technical drawings.
• Familiarity with UK Building Regulations and construction methods.
• Good communication and organisational skills; client interaction.

Responsibilities

• Identify potential clients for house extensions and small projects.
• Handle enquiries, gather project information and requirements.
• Assist in preparing architectural drawings and layouts.
• Contribute to architectural/structural details with professionals.
• Assist in selecting materials and practical building solutions.
• Review 2D drawings and technical documentation.
• Visit clients and sites to discuss requirements and gather data.
• Support early design-stage project coordination.
• Ensure compliance with UK Building Regulations and planning.

Skills

2D drawings

AutoCAD

Client comms

Organisational skills

UK Building Regulations

Driving licence

Education

Architecture degree

Architectural technology

Tools

AutoCAD

Job description

Salary: £28,000–£32,000 per annum (depending on experience)

Job Type: Full-time, Permanent

Location: Office-based, with visits to clients and construction sites

About the Role

We are looking for a motivated Junior Architectural Designer / Project Coordinator to join our growing team.

This is a varied role combining architectural design support, client communication and project coordination, primarily focusing on house extensions, garages, small residential buildings and light commercial projects.

The ideal candidate will have a good understanding of construction principles, be confident working with 2D drawings and enjoy interacting with clients.

Key Responsibilities

• Identify and engage with potential clients interested in house extensions and small construction projects.
• Handle initial enquiries, understand client requirements and gather preliminary project information.
• Assist in preparing architectural drawings, layouts and design proposals.
• Contribute to developing architectural and structural details in collaboration with relevant professionals.
• Assist with selecting suitable construction materials and practical building solutions.
• Review and work with 2D drawings and technical documentation.
• Visit clients and construction sites to discuss requirements and gather project information.
• Support project coordination from initial enquiry through the early design stages.
• Assist in ensuring projects take account of relevant UK Building Regulations and planning requirements.

Requirements

• Background or relevant education in architecture, architectural technology, construction or a related field.
• Ability to read, interpret and prepare 2D technical drawings.
• Familiarity with AutoCAD or similar CAD software.
• Basic understanding of UK Building Regulations and construction methods.
• Good communication and organisational skills.
• Confidence in communicating with clients.
• Proactive attitude and willingness to learn.
• Interest in residential extensions and small-scale construction projects.

Desirable

• Previous experience with residential extensions, garages or small commercial buildings.
• Experience in client-facing roles or business development.
• Knowledge of construction materials and building products.
• Full UK driving licence.

What We Offer

• Competitive salary based on experience.
• Full-time, permanent employment.
• Practical experience across architectural design and project coordination.
• Opportunities to develop technical and client-facing skills.
• Involvement in a variety of residential and commercial projects.
• Career development opportunities within a growing business.
• Work arrangement: Primarily office-based, with occasional visits to clients and construction sites.