• Technical Due Diligence (TDD).

  • Vendor TDD.

  • Purchaser TDD.

  • Pre Due Diligence Building Check Up.

  • Building Surveys (Schedules of Condition / Defects & Costs). 

  • Maintenance / Cost Planning.

  • Material Lifecycle Analysis.

  • Technical Advice.

  • CPD / External Training / Guest Lectures.

Technical Due Diligence / Building Surveys (Vendor/ Purchaser).

Building inspections / audit to establish the condition (past / present / future) of the following construction elements (in accordance with RICS guidelines on Technical Due Diligence and Commercial Building Surveys):

  • Roofs.

  • Structures

  • Facades.

  • .Internal Finishes.

  • Services Installations*

  • External Areas.

Review of Legal / Technical Documents:

  • Building Permits.

  • Environmental Permits.

  • Fire Brigade Advice.

  • Control Reports.

  • Asbestos Inventories.

  • Acceptance Reports.

  • Maintenance Contracts.

Delivery of Cost Advice (Immediate / Short Term / Medium Term / Long Term).


Pre-Due Diligence Strength & Weakness Analysis.

Building inspections to establish the principle technical strengths and weaknesses of a property / asset with delivery of an executive summary. Optional audit of AS BUILT files / data room documents to ascertain the status / completeness of this pre-due diligence.


Building Surveys / Maintenance Inspections / Schedules of Condition / Materials Lifecycle Analysis.

Tailored professional advice / consultancy concerning individual construction elements and building materials to detail building defects (cause and effect) and material lifecycles.


Building Services Installations (M&E) - Belgium & Luxembourg.


*Services Installations (M&E) are inspected by our chosen partner Geert Lybeer bvba.


Geert Lybeer bvba is fronted by Geert Lybeer who is a qualified Services Engineer specialising in the design and project management of M&E installations (HVAC, High & Low Tension Electricity, Sanitary, Fire Detection, Sprinkler Installations and Lifts).


Geert has also performed multiple technical audits in Blegium and Luxembourg for Technical Due Diligence and property acquisitions for assets including hundreds of buildings in the past 10 years

In order to reach us

Tech DD Ltd


Tel: +44  787 207 3350


E-mail: a.tagg@techdd.eu



Adrian TAGG has worked for the following Clients since 2000:

AG Real Estate




AXA Investment Deutschland


Bank of Ireland Private Banking

Barclays Capital

Belgian State

Bouwfonds Property Finance

Belgian Real Estate ServiceS (BRESS)

Clerical Medical


Credit Suisse

Davy Stockbrokers


Deutschebank Real Estate London

DMI Administrative Services

Eurocapital Property Investors

Fortis Real Estate

French Community


GVA Grimley





JP Morgan


Kevin Turner Surveys

King Sturge

Markland Property Holdings

Martin Dunitz Publishing

MEAG Munich Ergo

Mees Pierson

Morgan Stanley


Prem Group

Royal Bank of Scotland

Royal Institution of Chartered Surveyors (RICS)

RP Holdings

Stace LLP

Stam Europe

The Equitable Life Assurance Society

The Property Ombudsman


Westmont Hospitality Group

Whitewood Capital

Wingfield Corporation

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