Construction Ireland Construction Directory
Time and date

The Constructive Evaluation LTD

The Constructive Evaluation LTD Contact Details

Click to view
Gillian Walker
Units 15 & 16 Ford Lane Business Park
County West Sussex
BN18 0UZ
Engalnd UK
Opening Hours
Click for opening hours
08:00 am-06:00 pm

08:00 am-06:00 pm

08:00 am-06:00 pm

08:00 am-06:00 pm

08:00 am-05:30 pm



Other Dates

About The Constructive Evaluation LTD

A multidisciplinary specialist consultancy established over 25 years providing Material Testing, Site Investigation and Structural Investigation services to the construction industry throughout the UK. Our work is accredited and assured under the ISO system, and has been certified under the RISQS framework for Rail projects. Our experienced and flexible team will work with you to achieve the engineering objectives of your project

Building Surveying
Structural investigation and condition surveying is our specialism. We adopt intrusive and non-intrusive methods to determine and record the condition or defect and establish the cause of the issue. The structural survey can also determine the manner in which something has been constructed in order that it may be extended or otherwise worked upon. We offer bespoke testing and investigation to suit our clients requirements.

Our Structural Survey Team
Our surveyors supported by our in house site technicians are able to offer rapid mobilisation and reporting to fulfil requirements for a variety of building projects. We undertake structural surveys to residential, commercial, retail and industrial sectors.
Specialist structural services we provide:
  • Bridge Inspections
  • Building Pathology and Defect Analysis
  • CAD suite
  • Condition surveys
  • Fire and Flood damage surveys
  • Inspection of Marine Structures
  • Intrusive break-out investigations
  • Levels surveys
  • Load testing
  • Measured surveys
Building Materials Testing
We are able to offer extensive building materials testing services to support our structural surveying teams. Our on-site test teams supported and supervised by building surveyors comprise trained technicians, all holding appropriate CSCS qualification and trained to work in Network Rail (PTS), London Underground (ICI-LUL), confined space and street works (NRSW) environments.

Site Investigation Services
Good quality site investigation is a vital part of any assured design. We are able to apply a range of investigation techniques to suit the engineering objectives, access constraints and budget of your project. Our team of specialist engineers and scientists can advise on the most suitable method to suit any project. They have experience across different sectors on projects ranging from domestic insurance claims and house builds to major infrastructure design and large commercial developments.

Site investigation techniques include, but are not limited to:
  • Hydrostatic Diamond Coring
  • Window Sampling
  • Windowless/Dynamic Sampling
  • Cable Percussive Boreholes
  • Rotary Boreholes
  • Trial Pits and Foundation Exposure
  • Winter Groundwater Monitoring and Permeability Testing (BRE-365)
Rail Services
A significant portion of our business is completed on rail infrastructure. Providing investigation services for the designers of modernisation, expansion, improvement and maintenance projects on underground and overground rail sites throughout the UK. We have been supplying rail ground investigation services to the industry for many years. We have been involved in platform extension work prior to the 2012 Olympics and several major renovation projects as an example. Our experienced staff are well practiced in working safely and efficiently in the often challenging environment rail sites can present.

Our Rail Ground Investigation Services include:
  • Cable percussive drilling of boreholes
  • Tracked windowless drilling of boreholes
  • Rotary drilling of boreholes
  • Lightweight window sampling
  • Dynamic probing (heavy and superheavy as required)
  • Full sample testing suite & logs by geotechnical, geo-environmental professional
  • Trial Pitting
  • CCTV drainage surveys
Rail Structural Investigation Services
In addition to our Geotechnical and Geo-environmental services we can offer our full suite of structural, destructive and non-destructive (NDT) services to the rail industry. This can include footbridge surveys for reinforcement, defect analysis, push/pull testing to handrails and full GPR and concrete repair facilities and many more.

Rail structural Investigation services include:
  • Structural surveys
  • Asbestos surveys
  • Concrete repair
  • Full NDT suite
  • Materials testing
  • Adhesion/bond testing
We hold full RISQS certification via audit and have maintained this qualification for the past 6 years.

Site Investigation Drilling Services
We offer a wide range of site investigation drilling services. This includes tracked windowless sampling, cable percussive (shell and auger), rotary coring, rotary auger, lightweight window sampler systems and hydrostatic diamond drilling. Our specialist drilling staff are qualified to, or are actively working towards, NVQ Land Drilling standards and our operatives are fully CSCS, PTS and LUL accredited.


New Blog on Chloride Ion Content

We're currently undertaking a number of works to a London Underground station. These works include testing the Chloride Ion content of the platforms. Since chlorides can be influenced by changing temperatures, now seemed like a good time to write a blog about them. Find out more by visiting
Products & Services

Structural Surveying

Structural condition surveying

Structural defect surveying


Concrete coring

Concrete sampling

Concrete testing

GPR Scan

Asbestos surveys

Asbestos management

Asbestos registers

Marine structure investigations

Load testing

Pull out testing

IPAF access surveying

Non-intrusive investigations

IRATA access surveying

Rail & roads infrastructure

Culvert surveying

Confined access

Construction material analysis

Plate load Bearing Test

Factual and interpretive reporting

Groundwater monitoring

Gas monitoring

Water sampling and logging

Soil sampling and logging

Desktop site studies

Phases 3 & 4 Validation

Phases 3 & 4 Remediation

Intrusive Site Investigation

Contaminated Land Survey

Water quality monitoring

Borehole groundwater monitoring

Borehole gas monitoring

Permeability Testing

Falling/rising head permeability test

Pocket Penetrometer

Hand Shear Vane

Standard Penetration Tests (SPT)

Dynamic Cone Penetrometer (DCP)

California Bearing Ratio (CBR)

Plate Bearing Tests

Insitu Testing


Percolation Test

Triaxial compression testing

Shear strength testing

Plasticity index testing

Saturation moisture content testing

Moisture Content testing

Hydrometer testing

Particle size distribution

Rotary Drilling Rigs

Shell and auger boreholes

Diamond drilling

Hand held window sample boreholes

Test holes

Coring & monitoring wells

Adhesion/bond testing

Materials testing

Concrete repair

CCTV drainage surveys

Dynamic probing

window sampling

Rotary drilling boreholes

windowless boreholes

Trial Pitting

Cable percussive boreholes

Sulphate Content Testing

Concrete compressive strength testing

Concrete cover & carbonation testing

Bridge Inspections

Measured Surveys

soil testing

concrete testing Sussex

The Constructive Evaluation LTD General Description

Constructive Evaluation South East Construction Materials Site investigations South East Soil Investigations South east Structural Monitoring structural consultants
Planning HandbookFox Excavations & Plant HireAcara Concepts Ltd IrelandVoltaic Energy SystemsCustom Crate SolutionsSpeir Ard LimitedIdomusMartin Fortune TransportAdonis Safety TrainingGaia Smart Energy
Terms and Conditions
2024/05/26 09:36:46