Provides professional services in the following field of expertise: • Construction defects • Building contract and property title disputes • Landlord and tenant dilapidations • Section 11 housing disrepair

General civil & structural engineering • Reinforced concrete design • Foundations design • Settlement & subsidence • Bridges • Drainage • Waterproofing • Roofing

Consultant Forensic Engineer & expert witness undertaking the investigation of engineering incidents & personal injury accidents for commercial, legal & insurance clients • Provision of independent & impartial expert witness evidence • Mechanical, metallurgical & non-metallic materials (i.e. polymer, composite, rubber, glass & ceramic materials) based investigations • Forensic investigations both on-site & laboratory based • Component failure analysis, including expertise in fractography & electron microscopy (SEM) •...

Masonry defects & masonry product defects • Floor finish failures • Cast stone products, quality & failure • Glass fibre-reinforced concrete • Render finishes • Quality of brickwork • Defects & failures to concrete components & concrete structures • Car park toppings • Refurbishment to commercial & domestic property • Quality of concrete supply • Defective imprinted concrete • Objective digital comparison of questionable concrete surfaces

I have 50 years' experience of civil & structural engineering as a consultant covering a wide range of general engineering design & construction issues involving both modern & historic construction • I have provided expert witness advice on subsidence, settlement, drainage, building material problems & defects • Structural inadequacy of large steel structures • Resolution of insurance claims

Geotechnical engineering • Geotechnical analysis • Geotechnical design • Geotechnical assessment • Heavy civils • Buildings • Bridges • Basements • Maritime structures • Industrial slabs • Infrastructure • Road pavements • External paving • Site investigation • Desk study • Ground investigation • Groundwater • Seepage • Foundations • Shallow foundations • Footings • Raft foundations • Deep foundations • Bored piles • Driven piles • Rock sockets • Pile testing • Earth retaining structures • Reinforced earth walls • Gravity retaining wall • Gabion walls • Precast concrete...

Structural engineering • Civil engineering • Engineering design • Steelwork • Reinforced concrete • Masonry • Buildings • Basements • Movement • Cracking • Failure • Collapse • Waterproofing • Water ingress • Roofs • Floor slabs • Foundations • Piling • Underpinning • Retaining walls • Deep basements • Diaphragm walls • Heave • Subsidence • Ground movement • Deflection • Vibration • Railway stations • Underground stations • Airports • Car parks • Industrial buildings • Remedial works

Personal injury • Product liability • Professional negligence claims • Environmental health • Consumer protection • Building & construction problems & safety • Playground accidents • Ladder accidents • Structures & structural engineering • Road traffic accident investigation & reconstruction • Agricultural & horticultural • Manufacturing industries • Electrical safety • Chemical safety • Industrial diseases • Musculoskeletal disorders & RSI • Slips, trips & falls • Fork-lift trucks • Guards & guarding systems • Factory accidents Experts in the...

Visiting sites to carry out independent inspection of failed flooring • Preparation of written reports for possible legal action • Identifying the cause of failed flooring & suggesting solutions • Expert witness services • Dispute resolutions • Consultancy services • Floor specifications guides & training • Technical advice • Onsite training for sales staff & installers • Bespoke training to retailers, manufacturers & distributors • Moisture testing • Sub-floor preparation courses • Carpet & impervious installation reports Additional...

Architecture • Planning • Building regulations • Cladding • Facades • Fire protection • Fire • Professional negligence • Defects • Remedial works • Water ingress • Damp • Roofing • Condensation • Basements • Curtain wall • Glass • Joinery • Partitions • Flooring • Corrosion • Acoustics • Contract administration • Design • Co-ordination • Appointment • Listed buildings • Waterproofing

Escapes of water, oil and gas • Composites • Glass and ceramics • Plastics and polymers • Construction injuries • Falls from height • Noise and vibration injuries • Lifting operations • Collision reconstruction

Foundation failures, including heave & subsidence-related problems • Building defects of structure & fabric, including concrete, steel, timber & masonry buildings, whether prefabricated or in situ • Footbridge & cycle bridge-related problems of deck & structure • Concrete failures due to contamination, chloride attack, carbonation, sulphate attack, alkali-silica reaction, together with pollution-related problems & their effect • Prestressing & related problems, including prestressed & post-tensioned in situ concrete •...

Expertise in the design, manufacture and installation of free standing and fitted furniture, fitted kitchens, fitted wardrobes, wood finishes, solid wood flooring, engineered flooring, cabinetry and joinery. Site surveys and inspections undertaken. Expert witness reports compliant with CPR 35 requirements. Thirty years of experience in the manufacture and design of both bespoke high end and mass produced furniture.

Wood protection, including performance of wood treated with preservatives and performance and failure of coatings • Performance of timber joinery, including doors and windows • Wood failure in service, including scaffold boards, posts and retaining walls • Wood cladding • Plywood quality • Disputes relating to quality and performance of wood products

Construction disputes • Geotechnical-related matters, i.e. insurance claims for subsidence & ground engineering design • Surveyors' negligence • Boundary disputes • Civil & structural engineering-related matters

Structural engineering design • Building contracts • Settlement or subsidence problems • Insurance relating to buildings • Civil engineering • Structural failures • Drainage • Accidents: industrial & commercial

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 have provided expert opinion and advice regarding concrete and concrete structures to lawyers, government departments, infrastructure/building owners, designers, contractors, materials producers/suppliers and testing organisations. Durability design, non-compliance, construction defects, premature deterioration (especially corrosion), residual life estimation and repair are recurring themes relating to a wide range of structures including buildings, bridges, tunnels, power stations, waste treatment facilities...

Subsidence cases • Workmanship issues in construction, both commercial and domestic • Drainage issues • Paving • Concrete • Brickwork defects • Defective design 40 years' experience of the construction industry in the UK and Middle East.

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 •...

I have over 30 years' experience in rubber manufacture and in particular materials research and development with a global manufacturer of commercial and military products. Rubber materials • Production • Manufacturing • Testing • Failure analysis • Tyres • Hoses • Seals • O rings • Gaskets • Gas masks • Anti-vibration mounts • Product and material ageing • Injection moulding • Extrusion • Computer simulation of moulding, rheology and flow • Rubber polymers • Rubber mixing • Rubber processing • Experimental design

Structural engineering including: • Subsidence • Structural stability • Structural design of all major construction materials • Vibration of structures • Domestic, residential, commercial properties • Highway structures • Disputes in design • Housing disrepair (structural engineering) • Compliance with Building Regulations and Codes of Practice • High-rise construction • Foundation design (structure)

I advise on all flooring installation problems, difficulties & disputes, prepare specifications & advise on rectification • I deal with all flooring materials, including wood & parquet flooring, sheet vinyl & vinyl tiles, resin floors, ceramic tiles, marble & carpets • Flooring Forensics has been instructed in many cases involving slipping & falling, & has equipment for carrying out tests on flooring materials & the environment

Materials specialist, investigating matters involving: • Concrete technology • Warehouse floors & hardstandings • Failure of concrete repair works • Concrete durability & specification • Concrete placing, bleed & shrinkage cracking • Paints & coatings for concrete • Air entrainment of concrete & performance in freezing conditions • Construction in hot climates • Underground concrete construction • Concrete test methods & data interpretation • General forensic examination of construction failures

As a wood scientist with over 30 years' expert witness experience in the wood products industry, I am well placed to investigate and report upon its many uses: in flooring, joinery, construction, etc.; both in terms of compliance with EU Standards and to provide opinion based on industry best practice. Cardiff University Law School Certified Expert Witness, conversant with CPR 35, dealing with solicitors, counsel and giving evidence in court. See http://www.timberconsultancy.co.uk

Concrete use, specification & failure investigation • Mortar • Render • Screed flooring • Sealants • Paint • Chemical analysis • Ceramic tiling, internal & external • Corrosion • Reinforcement corrosion • Petrographic analysis • Alkali-silica reaction (ASR) • UKAS accredited for selected tests

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...

Expertise in: • Upholstery • Cabinet & dining furniture • Beds • Occasional furniture • Fitted kitchens • Fitted bedrooms • Carpets • Floorcoverings • Flooring • Carpet estimating, fitting & seaming • Vinyl floors • Vinyl tiles • Laminate flooring • Wooden/timber floors • Wood finishing • Timber • Tiling • Karndean flooring • Linoleum • Amtico flooring

Investigation & testing of building & civil engineering materials & components Charles Darley Associates are independent materials testing consultants. Expertise is available in a wide range of materials and components including blockwork, cladding, reinforced and pre-stressed concrete, flooring, glazing, plaster, render, roofing systems and screeds. Dr Darley specialises in failure investigation, appraisal of latent defects and deterioration and assessment of physical damage.

Adhesives • Body fluids, alcohol in • Bitumens & asphalts • Corrosion & metal treatment • Detergents & wetting agents • Surfactants • Forensic science • Paints • Sealants • Printing inks • Packaging materials • Plastics • Rubbers • Colour measurement • Skid resistance & slip testing • Double-glazing failures • Patent infringements • Road markings Additional email: [email protected]

Carry out site visits with purpose of independent inspection of failed flooring (including moisture testing) to identify the reason for failure, providing technical advice and solutions and to produce a report in preparation for possible legal action and act as an expert witness • Types of hard flooring inspected include: wooden, Amtico, most vinyl tile and sheet, Marmoleum, Karndean, Altro, Polyflor, rubber and floor sanding restoration • Types of soft flooring inspected include: carpet, sisal, coir, jute and...

Suspended ceilings • Partitions • Raised access floors • Dry lining & drywall partitions • Glass & glazed partitions • Shaftwalls • Plasterwork (solid & cast) • External render • Stucco • Subcontract disputes (building) • Interior fit-outs • Extensive experience in acting as expert engaged on behalf of building owners, main & management contractors, subcontractors & specialists in disputes as to quantum, performance, merchantable or satisfactory quality, fitness for purpose & infringement of design copyright • Appointments as expert...

Advice on the use, design, specification & supply of timber & all wood-based materials (plywood, particleboard, fibreboard) in building & construction, joinery, shopfitting & furniture • Evaluation of workmanship & comparison with expected standards, industry norms, British or European Standards & Codes of Practice • Identification of wood species, treatments & finishes, plus comment on suitability for use • On-site examination of problems with wood materials, including moisture, swelling or shrinkage, decay, insect...

Having nearly 40 years' experience in the construction industry, working extensively with kitchen and bathroom installations, joinery, structural waterproofing and general construction in both domestic and commercial environments. Reporting on issues with floor finishes affected by incorrect screed specification or installation, caused by excessive moisture content, incorrect curing or incorrect use of expansion joints resulting in the failure of the flooring. Experienced in the design and laying of liquid...

Building surveying • Expert in all aspects of building litigation, including defective construction, including, but not exclusively, drains, cavity walls, mortar, brickwork, roofs, floors, drainage, windows, dampness, condensation, concrete • Valuation for interim or final accounts • Advice on building contracts • Professional negligence • Whether a house is built to NHBC Building Regulations or Building Guarantee Standards • Party wall awards • Expert reports & advice • Compliant with CPR Other offices: (i) 1 Kew Place,...