Building contract disputes • Disrepair claims • Defective design & workmanship negligence claims • Building pathology • Building conversion & restoration • Party Wall, etc., Act Mr Mathieson is a Member of the Royal Institution of Chartered Surveyors, Managing Director of Ellis Belk Associates Limited and a practising Chartered Building Surveyor with many years' experience investigating building defects of both design and workmanship. In addition to his expert witness workload, Mr Mathieson has been involved with Channel...

I am an architect with 35 years' experience on a range of building types and sizes and in various capacities. I completed my MSc in Construction Law and Arbitration at Kings College London and I also hold a Diploma in International Commercial Arbitration. I am an arbitrator and adjudicator. I am a Member of the Institution of Fire Engineers and I hold a Professional Diploma in Fire Risk Assessment (Life Safety). Member of the Academy of Experts. Listed on the RIBA Register of Experts. I hold the Cardiff University...

• RICS Registered Valuer • RICS Registered Expert Witness An experienced expert witness in the following valuation matters: • Professional negligence claims • Dilapidations disputes (Section 18 (1) valuations) • Diminution valuations • Commercial and residential property disputes • Restrictive covenants • Matrimonial disputes • Landlord & Tenant Act 1954 lease renewals • References to arbitrators and independent experts • Mediation

Neighbourly & Boundary Disputes I have been appointed as party wall surveyor for building owners and adjoining owners. I frequently provide advice to parties wishing to undertake works close to or on the boundary, which may or may not fall within the Party Wall etc. Act 1996. This includes commercial and domestic clients. I am employed to help resolve disputes between parties over neighbourly matters, including the undertaking of building works or the removal of boundary features by one party, the position...

I am a chartered quantity surveyor with over 18 years’ construction experience in residential, Ministry of Defence, education, healthcare, industrial, mixed-use, infrastructure and commercial building. I have significant hands-on experience in quantity surveying and contract administration under numerous suites/forms of contract including JCT, PPC, NEC, EPIC/EPC and bespoke forms, as well as experience of most methods of procurement. I am a Partner at Quantum Experts and able to act as a party-appointed or...

Full-time expert witness experienced in technical report writing for building, development and construction project disputes and insurance claims • For claimant, defendant, contractor, employer, insurer • 40 years of professional industry experience, including 20 years at partner or director level in international property firms • Worked in the UK, Europe, US, Hong Kong, Australia and Dubai Building surveying • Building defects pathology diagnosis and causation • Inspections and survey reports • Professional negligence •...

Structural engineering • Civil engineering • Residential, domestic, commercial, retail, industrial, infrastructure, education, arts & leisure, oil & gas • Buildings • Retaining structures • Foundations • Basements • Car parks • Offshore structures • Wind turbines • Industrial buildings • Heavy civils • Infrastructure • Portal frames • Tanks • Liquid retaining structures • Structural analysis • Structural assessment • Structural surveys • Structural design • Structural strengthening • Structural repair • Remedial works • Renovations • Professional negligence •...

Architecture generally, particularly: • Residential work • Refurbishment, conversion & alteration schemes • Professional practice • Party Wall matters • Defects & building failures • Town planning • Educational schemes • Commercial schemes • Fee scales & payment on quantum meruit basis • Architect professional negligence

Health and safety auditing, management, documentation investigation and law • Health and safety in healthcare, hospitals, care support, education, mental health, special education, local authorities, residential homes, warehousing • Stress, violence and aggression, assaults, pedestrian/vehicle segregation, warehouse operations, swimming pools, schools, leisure centres, grounds maintenance, transport

During the 31 years of my business life I have practised as a surveyor advising on many aspects of residential and commercial property, investment, development and management. This includes: • Valuation • Survey • Pathology • Defect diagnosis • Sale • Letting • Purchase • Management • Repair • Advice on landlord and tenant • Dilapidations • Boundary disputes • Party walls • Right to light • Building disputes I have extensive valuation experience on residential and commercial properties throughout London, the South East and UK wide procured...

Disrepair • Construction defects • Design and specification • Construction procurement and tendering • Programme management • Contract administration • Housing • Educational buildings

Education design • Education master planning • Education briefing and design advisory • Sports design • Sports master planning • Sports briefing and design advisory

Structural engineering • Civil engineering • Forensic engineering • Maritime engineering • Coastal engineering • Design • Construction • Workmanship • Professional negligence • Damage • Defects analysis • Cracking • Buckling • Corrosion • Deflections • Deterioration • Dilapidations • Settlement • Subsidence • Heave • Ground movement • Concrete quality • Concrete durability • Concrete strength • Concrete testing • Basements • Foundations • Refurbishment • New build • Historic buildings • Raised access floors • Floor slabs • Screeds • Structural analysis • Structural stability •...

I am a chartered quantity surveyor with over 18 years’ construction experience in residential, Ministry of Defence, education, healthcare, industrial, mixed-use, infrastructure and commercial building. I have significant hands-on experience in quantity surveying and contract administration under numerous suites/forms of contract including JCT, PPC, NEC, EPIC/EPC and bespoke forms, as well as experience of most methods of procurement. I am a Partner at Quantum Experts and able to act as a party-appointed or...

Valuation of commercial, office, industrial, retail, investments, property, development sites (commercial & residential) & educational & charity properties • Valuation for rent review, lease renewal, dilapidations (diminution in value), probate, capital gains tax, professional negligence cases & matrimonial cases