
We are Size Group - A unique collection of companies, with the ability to provide the highest quality construction, specialist crafts and maintenance services to private clients with luxury properties in London, the English countryside and beyond.
Open roles at Size Group
2 roles

Graduate Quantity Surveyor
Size Group
Marlborough, UK
This is a graduate-level construction commercial role where you help manage the cost, budgeting, contracts, and financial side of luxury construction projects (high-end homes, heritage buildings, science facilities).Who is Size Group?Launched in 2009 as a small construction venture between two friends, Size Group brings together the vital elements of property from the construction of luxury buildings through to the maintenance and management of a property portfolio.Our GroupOperating under parent company Wize Holdings Ltd, Size Group and sister company Walter Lilly, combine their expertise across three niche sectors: Luxury Homes, Landmark & Heritage, and Science & Higher Education.By working with our group you will have the opportunity to gain valuable insights into the refurbishment and building of some of the country's finest properties, restoration and conservation of prestigious, historical buildings, and the construction and fit out of state-of-the-art science facilities.Size Group now seek a Graduate Quantity Surveyor to join our Country Houses team. The BenefitsThis is a great opportunity for a Graduate with a degree in Commercial Management and Quantity Surveying to join our team on a full time, permanent basis. We offer: Competitive salaryAuto enrolment to company pension scheme (opt-out option available)Private medical insuranceCritical illness cover26 days annual leaveTravel expenses for site-based staffAs part of a growing group with ambitious plans, you’ll benefit from strong leadership support, visible career progression, and the chance to help shape the success of our most high-profile projects.The CultureAt Size Group our values underpin who we are. They form an important benchmark for everyone – collectively and individually. We are:Empathetic - People-driven and focusedTenacious - Relentless pursuit of the highest standardsIntegrity - Integrity earns trust. Trust builds relationshipsEntrepreneurial - Self-starters that push beyond the obviousWe boast a culture that is focused on training and development, career paths and internal progression. What’s more, we’re committed to our employees and offer a range of benefits to support your lifestyle both in and out of the workplace.The RoleAs a Graduate Quantity Surveyor, you will support the commercial delivery of prestigious prime residential and luxury construction projects, working alongside experienced Quantity Surveyors and commercial managers. You will gain hands‑on exposure across all stages of the project lifecycle, from early cost planning through to final account, within a business known for exceptional quality, attention to detail and client service.This is an excellent opportunity for an ambitious graduate to develop their commercial and technical skillset within a high‑end construction environment, working on bespoke projects for discerning private clients.Key Responsibilities:Assist with cost planning, budgeting and financial control across luxury residential projectsSupport the preparation of tender documentation, bills of quantities and contract documentsHelp manage subcontractor procurement, including comparisons, appointments and valuationsAssist in the preparation of interim valuations, cost reports and final accountsSupport the management of variations, change control and risk assessmentsWork closely with site teams, suppliers and consultants to ensure commercial objectives are metAttend project meetings and develop strong working relationships with internal and external stakeholdersEnsure commercial activities align with contractual requirements, company procedures and best practiceAbout YouTo be considered for this role you will need to be:A recent graduate (or soon‑to‑be graduate) in Quantity Surveying or a related construction disciplineHave a strong interest in luxury / prime residential construction and high‑quality deliveryGood numerical, analytical and organisational skills, with high attention to detailA confident communicator, able to build relationships with colleagues, supply chain and clientsProactive, eager to learn and keen to progressGood working knowledge of Microsoft Office, particularly ExcelA professional, positive attitude and pride in producing high‑quality work
Posted 5 days ago

Graduate Building Services Manager
Size Group
Marlborough, UK
This is a graduate-level role for someone interested in mechanical and electrical building services within construction, working on-site with high-end residential projects and gaining hands-on experience in project delivery and management.Who is Size Group?Launched in 2009 as a small construction venture between two friends, Size Group brings together the vital elements of property from the construction of luxury buildings through to the maintenance and management of a property portfolio.Our BenefitsThis is a great opportunity for a Graduate Building Services Manager to join our forward-thinking and collaborative organisation as you start your career journey.We offer: Competitive salaryAuto enrolment to company pension scheme (opt-out option available)Private medical insuranceCritical illness insurance26 days annual leaveTravel expenses for site-based staff As part of a growing group with ambitious plans, you’ll benefit from strong leadership support, visible career progression, and the chance to help shape the success of our most high-profile projects.Our CultureAt Size Group our values underpin who we are. They form an important benchmark for everyone – collectively and individually. We are:Empathetic - People-driven and focusedTenacious - Relentless pursuit of the highest standardsIntegrity - Integrity earns trust. Trust builds relationshipsEntrepreneurial - Self-starters that push beyond the obviousWe boast a culture that is focused on training and development, career paths and internal progression. What’s more, we’re committed to our employees and offer a range of benefits to support your lifestyle both in and out of the workplace.The RoleAs a Graduate Building Services Manager (M&E), you will play a key role in supporting the Building Services team to oversee the design, co-ordination, and installation of mechanical and electrical systems across a large-scale residential project. You’ll liaise with project managers, consultants, and subcontractors to help ensure all services are delivered to the highest standards, on time and within budget.Key ResponsibilitiesAssist in coordinating MEP services throughout all stages of the refurbishment project.Work closely with subcontractors, designers, and site teams to ensure building services are installed safely, accurately, and to a high standard.Help review drawings, specifications, and technical submissions to ensure compliance with project requirements.Monitor progress on site, support quality checks, and help resolve day‑to‑day issues related to MEP services.Contribute to site meetings, track actions, and support effective communication between project teams.Assist with testing, commissioning, and handover documentation to ensure seamless project completion.About YouTo be considered for the role of Graduate Building Services Manager, you will need to be:A recent graduate in Building Services Engineering, Mechanical/Electrical Engineering, or a related discipline.Interested in high‑end residential projects and motivated to learn how building services integrate into complex refurbishment work.A strong communicator with the confidence to work with designers, subcontractors, and site teams.Attentive to detail and have a willingness to problem‑solve in a practical, hands‑on environment.Organised, proactive, and eager to develop technical and project management skills.A positive attitude and a genuine desire to build a career within construction and building services management.
Posted 14 days ago

Graduate Quantity Surveyor
Size Group
Marlborough, UK
This is a graduate-level construction commercial role where you help manage the cost, budgeting, contracts, and financial side of luxury construction projects (high-end homes, heritage buildings, science facilities).Who is Size Group?Launched in 2009 as a small construction venture between two friends, Size Group brings together the vital elements of property from the construction of luxury buildings through to the maintenance and management of a property portfolio.Our GroupOperating under parent company Wize Holdings Ltd, Size Group and sister company Walter Lilly, combine their expertise across three niche sectors: Luxury Homes, Landmark & Heritage, and Science & Higher Education.By working with our group you will have the opportunity to gain valuable insights into the refurbishment and building of some of the country's finest properties, restoration and conservation of prestigious, historical buildings, and the construction and fit out of state-of-the-art science facilities.Size Group now seek a Graduate Quantity Surveyor to join our Country Houses team. The BenefitsThis is a great opportunity for a Graduate with a degree in Commercial Management and Quantity Surveying to join our team on a full time, permanent basis. We offer: Competitive salaryAuto enrolment to company pension scheme (opt-out option available)Private medical insuranceCritical illness cover26 days annual leaveTravel expenses for site-based staffAs part of a growing group with ambitious plans, you’ll benefit from strong leadership support, visible career progression, and the chance to help shape the success of our most high-profile projects.The CultureAt Size Group our values underpin who we are. They form an important benchmark for everyone – collectively and individually. We are:Empathetic - People-driven and focusedTenacious - Relentless pursuit of the highest standardsIntegrity - Integrity earns trust. Trust builds relationshipsEntrepreneurial - Self-starters that push beyond the obviousWe boast a culture that is focused on training and development, career paths and internal progression. What’s more, we’re committed to our employees and offer a range of benefits to support your lifestyle both in and out of the workplace.The RoleAs a Graduate Quantity Surveyor, you will support the commercial delivery of prestigious prime residential and luxury construction projects, working alongside experienced Quantity Surveyors and commercial managers. You will gain hands‑on exposure across all stages of the project lifecycle, from early cost planning through to final account, within a business known for exceptional quality, attention to detail and client service.This is an excellent opportunity for an ambitious graduate to develop their commercial and technical skillset within a high‑end construction environment, working on bespoke projects for discerning private clients.Key Responsibilities:Assist with cost planning, budgeting and financial control across luxury residential projectsSupport the preparation of tender documentation, bills of quantities and contract documentsHelp manage subcontractor procurement, including comparisons, appointments and valuationsAssist in the preparation of interim valuations, cost reports and final accountsSupport the management of variations, change control and risk assessmentsWork closely with site teams, suppliers and consultants to ensure commercial objectives are metAttend project meetings and develop strong working relationships with internal and external stakeholdersEnsure commercial activities align with contractual requirements, company procedures and best practiceAbout YouTo be considered for this role you will need to be:A recent graduate (or soon‑to‑be graduate) in Quantity Surveying or a related construction disciplineHave a strong interest in luxury / prime residential construction and high‑quality deliveryGood numerical, analytical and organisational skills, with high attention to detailA confident communicator, able to build relationships with colleagues, supply chain and clientsProactive, eager to learn and keen to progressGood working knowledge of Microsoft Office, particularly ExcelA professional, positive attitude and pride in producing high‑quality work
Posted 5 days ago

Graduate Building Services Manager
Size Group
Marlborough, UK
This is a graduate-level role for someone interested in mechanical and electrical building services within construction, working on-site with high-end residential projects and gaining hands-on experience in project delivery and management.Who is Size Group?Launched in 2009 as a small construction venture between two friends, Size Group brings together the vital elements of property from the construction of luxury buildings through to the maintenance and management of a property portfolio.Our BenefitsThis is a great opportunity for a Graduate Building Services Manager to join our forward-thinking and collaborative organisation as you start your career journey.We offer: Competitive salaryAuto enrolment to company pension scheme (opt-out option available)Private medical insuranceCritical illness insurance26 days annual leaveTravel expenses for site-based staff As part of a growing group with ambitious plans, you’ll benefit from strong leadership support, visible career progression, and the chance to help shape the success of our most high-profile projects.Our CultureAt Size Group our values underpin who we are. They form an important benchmark for everyone – collectively and individually. We are:Empathetic - People-driven and focusedTenacious - Relentless pursuit of the highest standardsIntegrity - Integrity earns trust. Trust builds relationshipsEntrepreneurial - Self-starters that push beyond the obviousWe boast a culture that is focused on training and development, career paths and internal progression. What’s more, we’re committed to our employees and offer a range of benefits to support your lifestyle both in and out of the workplace.The RoleAs a Graduate Building Services Manager (M&E), you will play a key role in supporting the Building Services team to oversee the design, co-ordination, and installation of mechanical and electrical systems across a large-scale residential project. You’ll liaise with project managers, consultants, and subcontractors to help ensure all services are delivered to the highest standards, on time and within budget.Key ResponsibilitiesAssist in coordinating MEP services throughout all stages of the refurbishment project.Work closely with subcontractors, designers, and site teams to ensure building services are installed safely, accurately, and to a high standard.Help review drawings, specifications, and technical submissions to ensure compliance with project requirements.Monitor progress on site, support quality checks, and help resolve day‑to‑day issues related to MEP services.Contribute to site meetings, track actions, and support effective communication between project teams.Assist with testing, commissioning, and handover documentation to ensure seamless project completion.About YouTo be considered for the role of Graduate Building Services Manager, you will need to be:A recent graduate in Building Services Engineering, Mechanical/Electrical Engineering, or a related discipline.Interested in high‑end residential projects and motivated to learn how building services integrate into complex refurbishment work.A strong communicator with the confidence to work with designers, subcontractors, and site teams.Attentive to detail and have a willingness to problem‑solve in a practical, hands‑on environment.Organised, proactive, and eager to develop technical and project management skills.A positive attitude and a genuine desire to build a career within construction and building services management.
Posted 14 days ago
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