Roof terrace extension
Construction of a roof terrace extension to a penthouse apartment, with minimal impact on neighbours and the development.

Avenue North Ltd · Company SC371316
Active, accounts up to date·consultant·Head office Edinburgh
Avenue North is a construction consultancy based near Edinburgh, offering independent commercial advice, quantity surveying, project management, and contract administration services. With over 35 years of experience across consultancy, contracting, and property development, the company helps clients manage risk, protect value, and successfully deliver construction projects. They act for a broad range of clients, including developers, investors, private clients, contractors, consultants, and funders, tailoring services from strategic advice to detailed project delivery.
The firm's approach is built on sound commercial judgment, practical experience, and an understanding of how decisions impact all stakeholders. They combine technical expertise with delivery experience to add value and support decision-making. Avenue North has experience across residential, commercial, hotel, education, and infrastructure projects, both in the UK and overseas, including new build, refurbishment, and fit-out projects.
Led by Iain Welsh, a Chartered Quantity Surveyor with extensive experience, Avenue North emphasizes collaboration, clarity, and disciplined commercial management. Iain's background includes work with major contracting organizations and property development, providing a comprehensive perspective on project conception, funding, and delivery. This practical, commercially grounded approach focuses on clarity, risk management, and informed decision-making.
They offer specialized services such as Quantity Surveying & Cost Management, Contract Administration & Project Management, Services for Contractors, Financial & Risk Reporting, Development Advisory, and Construction Claims & Dispute Support. Their experience spans various sectors, from small domestic extensions to large-scale developments, ensuring a balanced understanding of design intent, construction delivery, and commercial discipline.
Construction of a roof terrace extension to a penthouse apartment, with minimal impact on neighbours and the development.
Significant works achieved with minimal impact on day-to-day business operations and completed on time.
A build that was kept on track and within budget, with approachability and commitment from the team.
A commercial-to-residential conversion project that was shortlisted for an RICS Conservation Award.
Developers, Investors, Private Clients, Contractors, specialist subcontractors, Architects, Design Consultants, Lenders, Funders.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Avenue North provides independent commercial advice, quantity surveying, project management and contract administration services for developers, investors and private clients across Scotland, the UK and overseas. Their listed services include Main contractor, Refurbishment and Fit-out & interiors.
Avenue North is registered at Unit 71 44-46 Morningside Road, Edinburgh, EH10 4BF, in Scotland.
Avenue North states that it works across Scotland and Overseas.
Accounts filed for the year to 2025 report 2 employees, which places the company in the 1-9 employees band.
Avenue North 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 £130k and £340k. This is an estimate, not a filed figure.
Companies House lists Avenue North as active, with accounts most recently made up to 2025-01-31.
Avenue North displays Regulated by RICS on its website.
Avenue North works in Residential, Commercial, Industrial, Infrastructure, Education, Retail and Leisure.
Avenue North was incorporated on 2010-01-18.
Planyard replaces manual CVR spreadsheets with a live system connecting budget, orders, invoices and committed costs, so you can see where every project stands before month-end surprises hit.