
Calfordseaden Llp
calfordseaden is an award-winning multi-disciplinary construction consultancy with a trading history of 85 years. The Practice operates across 6 UK offices.
Our experience within the industry extends across all major sectors and provides us with the skills and expertise to overcome various challenges with innovative solutions.
As a professional consultancy, we provide the following in-house services:
– Architecture
– BIM + Digital Transformation
– Building Safety Act Services
– Building Surveying
– Civil + Structural Engineering
– Clerk of Works
– Due Diligence
– Employer’s Agent
– Expert Witness
– Fire Safety Services
– Health + Safety Consultancy
– Joint Venture (JV) Supervisor
– Land + Partnerships
– Lift Consultancy
– Mechanical + Electrical Engineering
– Point Cloud Surveys
– Project Management
– Quantity Surveying
– Party Wall + Neighbourly Matters
– Sustainability
Through these complimentary and mutually supportive competencies, we provide our clients
with a truly multi-disciplined service.
As a Practice we hold the following corporate accreditations:
– RICS
– RIBA
– Constructionline Gold
– Association for Project Safety
– Association for Project Management
– Institute of Fire Safety Managers – Affiliate Member
– Institute of Fire Engineers – Affiliate Member
– Investors in People Gold
calfordseaden has a long history of working with public bodies, housing associations and local
authorities, and understand the importance of contributing to community development alongside the physical regeneration works.
Our core focus areas are:
– Supporting communities into employment
– Reducing poverty
– Promoting environmental sustainability
We are currently transitioning our Net Carbon Zero from PAS 2060 to the latest international
ISO14068 Standard. In accordance with that Standard we have produced a Carbon Management Plan and have been achieving carbon neutrality since 2021.
We have contributed our services to a number award-winning and highly commended
developments, across all major sectors and recent awards of note include:
– Gascoigne West Phase 2- Winner in the ‘Place of the Year’ category at The Pineapples
2025
– John Morden College – Winner of the RIBA Stirling Prize Awards 2023, UK’s best new
building; Winner of the RIBA London Awards 2023, RIBA London Building of the Year
2023, and RIBA National Award 2023
– Winner of ‘Consultancy Practice of the Year’ Award at the Property Week RESI
Awards 2024
Frameworks

Website
Company Number
OC315838Incorporation Date
27-10-2005Registered Address
St John''s House, 1a Knoll Rise, Orpington, Kent, BR6 0JXNumber of Employees
293Supplier Turnover
£25,646,160.00SIC Codes
68300, 71100VAT Registration Number
GB143776591Categories
71000000 : Architectural, construction, engineering and inspection services
71200000 : Architectural and related services
71210000 : Advisory architectural services
71220000 : Architectural design services
71221000 : Architectural services for buildings
71240000 : Architectural, engineering and planning services
71248000 : Supervision of project and documentation
71250000 : Architectural, engineering and surveying services
71251000 : Architectural and building-surveying services
71300000 : Engineering services
71310000 : Consultative engineering and construction services
71311000 : Civil engineering consultancy services
71311100 : Civil engineering support services
71312000 : Structural engineering consultancy services
71313410 : Risk or hazard assessment for construction
71313420 : Environmental standards for construction
71315100 : Building-fabric consultancy services
71315210 : Building services consultancy services
71315300 : Building surveying services
71315400 : Building-inspection services
71317100 : Fire and explosion protection and control consultancy services
71317210 : Health and safety consultancy services
71319000 : Expert witness services
71320000 : Engineering design services
71321000 : Engineering design services for mechanical and electrical installations for buildings
71324000 : Quantity surveying services
71334000 : Mechanical and electrical engineering services
71355000 : Surveying services
71500000 : Construction-related services
71520000 : Construction supervision services
71521000 : Construction-site supervision services
71530000 : Construction consultancy services
71540000 : Construction management services
71541000 : Construction project management services
71600000 : Technical testing, analysis and consultancy services
71631000 : Technical inspection services
72224000 : Project management consultancy services
73210000 : Research consultancy services
75251110 : Fire-prevention services
79311000 : Survey services
79415200 : Design consultancy servicesValues
£100k - £250k
£10k - £25k
£10m - £20m
£1m - £5m
£20m +
£250k - £500k
£25k - £50k
£500k - £1m
£50k - £100k
£5m - £10m
Up to £10kRegions
UK - National
