May 6, 2026

Finding RICS-Registered Expert Witness Surveyors for Valuation Disputes: 2026 Directory Guide and Selection Criteria

Over 60% of property valuation disputes that reach tribunal or court proceedings in the UK are resolved or significantly influenced by expert witness testimony — yet choosing the wrong surveyor can derail an otherwise strong case. Finding RICS-Registered Expert Witness Surveyors for Valuation Disputes: 2026 Directory Guide and Selection Criteria is the essential starting point for solicitors, property owners, and businesses who need credible, court-ready valuation expertise. This guide walks through the official directories, accreditation frameworks, and practical selection criteria that separate adequate expert witnesses from exceptional ones.

Key Takeaways 📌

The RICS Register of Accredited Expert Witnesses (updated March 2026) is the most authoritative directory for finding verified, regulated expert witnesses in the UK [2].
RICS accreditation through the Expert Witness Accreditation Service (EWAS) sets universal standards for impartiality, training, and professional conduct [8].
Always verify credentials via two official RICS channels: the Find a Member database and the Panel of Dispute Resolvers & Expert Witnesses [9][10].
Geographic coverage, specialist valuation experience, and a documented court track record are the three most critical selection criteria.
Registered experts span residential, commercial, leasehold, and party wall valuation disputes — matching the specialist to the dispute type is non-negotiable.

What Is the RICS Expert Witness Accreditation Service (EWAS)?

Before diving into directories, it helps to understand what RICS accreditation actually means — and why it matters.

The Expert Witness Accreditation Service (EWAS) is a voluntary scheme administered by RICS that sets professional standards for surveyors providing expert evidence in legal proceedings [8]. It is not simply a membership badge. To achieve EWAS accreditation, a surveyor must:

Complete dedicated expert witness training
Pass a professional assessment of competence and impartiality
Demonstrate practical experience in dispute resolution contexts
Submit to ongoing RICS regulatory oversight

💬 "The EWAS scheme was specifically designed to elevate professional standards in expert witness provision across property and built environment sectors, raising the bar for impartiality and independence in evidence provision." [2]

This matters because courts and tribunals increasingly scrutinise the qualifications of expert witnesses. An RICS-accredited expert carries institutional credibility that an unaccredited surveyor — however experienced — simply cannot match.

Who Needs an RICS-Registered Expert Witness Surveyor?

Valuation disputes arise in many contexts. The most common include:

Dispute Type	Typical Forum	Valuation Specialism Needed
Matrimonial / divorce settlements	Family Court	Residential valuation
Lease extension disputes	First-tier Tribunal (Property Chamber)	Leasehold valuation
Compulsory purchase compensation	Upper Tribunal (Lands Chamber)	Commercial / residential
Boundary and party wall disputes	County Court	Building surveying
Probate and tax disputes	HMRC / Tax Tribunal	Retrospective valuation
Commercial rent review disputes	Arbitration / RICS DRS	Commercial valuation

For matrimonial property valuations and lease extension valuations in London, the expert witness must hold both RICS Registered Valuer status and EWAS accreditation to carry maximum weight in proceedings.

The 2026 Directory: Where to Find RICS-Registered Expert Witness Surveyors

1. RICS Register of Accredited Expert Witnesses (March 2026)

The primary, authoritative source for finding RICS-registered expert witnesses in 2026 is the official RICS Register of Accredited Expert Witnesses, most recently updated in March 2026 [2]. This document is publicly accessible via the RICS website and lists accredited professionals by:

Name and firm
Geographic coverage (England, Wales, Scotland, Northern Ireland, international)
Specialist discipline (building surveying, valuation, quantity surveying, etc.)
Contact details including direct email and telephone

Examples from the March 2026 register include:

Garry Andrews (Rimkus Project Services UK) — covers Northern Ireland, Wales, Scotland, Channel Islands, England, and international clients [2]
Terry Davis (T N Davis Chartered Surveyors) — covers England, Wales, and Northern Ireland [2]
Martin Campbell (HKA Global Ltd) — provides international coverage including the UAE and Saudi Arabia [1]

This geographic granularity is critical. A surveyor based in Surrey may have no experience of Scottish property law, making them unsuitable for cross-border disputes.

2. RICS Find a Member Database

The RICS Find a Member portal [9] allows users to search for regulated RICS professionals by location, specialism, and membership grade. This is the fastest way to confirm that a surveyor's RICS membership is current and in good standing before engaging them.

🔍 How to use it effectively:

Search by postcode or region
Filter by "Valuation" or "Building Surveying" specialism
Cross-reference with the March 2026 EWAS register to confirm expert witness accreditation [2]

3. RICS Panel of Dispute Resolvers & Expert Witnesses

The RICS Panel of Experts [10] is a curated list maintained by the RICS Dispute Resolution Service (DRS). Unlike the broader Find a Member tool, this panel is specifically focused on professionals with active dispute resolution experience. It includes arbitrators, mediators, and expert witnesses across all built environment disciplines.

4. UK Register of Expert Witnesses (JS Publications)

The UK Register of Expert Witnesses maintained by JS Publications [5] provides a searchable database specifically for legal professionals. The building surveying category lists RICS-regulated practitioners with documented court experience, making it a valuable secondary verification tool for solicitors instructing expert witnesses.

5. Your Expert Witness Directory

The Your Expert Witness directory [3] provides detailed profiles of individual practitioners, including their academic credentials, professional designations, and areas of specialism. For example, Tonya Loades of Bartley West Limited holds BSc (Hons) FRICS, RICS Registered Valuer, and RICS Registered Expert Witness status, specialising in residential property valuations across the Home Counties and South of England [3].

6. RICS Firms Directory (RICSFirms.com)

For those preferring to instruct a firm rather than an individual, RICSFirms.com [7] lists regulated firms offering expert witness services. This is particularly useful for complex commercial disputes where a team approach may be required.

Selection Criteria: How to Choose the Right Expert Witness Surveyor

Finding RICS-Registered Expert Witness Surveyors for Valuation Disputes: 2026 Directory Guide and Selection Criteria is not just about locating names — it is about applying rigorous selection standards. Here are the six criteria that matter most.

✅ Criterion 1: RICS Accreditation and Regulatory Status

The baseline requirement is current RICS membership (MRICS or FRICS) combined with RICS Registered Valuer status for valuation disputes. For court proceedings, EWAS accreditation should be treated as mandatory, not optional [8].

Verify status through:

RICS Find a Member [9]
The March 2026 EWAS register [2]

✅ Criterion 2: Specialism Matching the Dispute Type

A residential valuation expert is not automatically qualified to opine on commercial rent reviews — and vice versa. The expert's specialism must directly match the dispute. Common specialisms include:

Residential valuation — for divorce, probate, or Help to Buy disputes
Commercial valuation — for rent review disputes in London and lease negotiations
Leasehold valuation — for freehold valuation disputes and enfranchisement cases
Building surveying — for party wall disputes and dilapidations claims
Retrospective valuation — for historic date valuations in tax or probate matters

For boundary and party wall cases, look for surveyors with specific experience in the Party Wall etc. Act 1996 framework.

✅ Criterion 3: Geographic Coverage

The expert must have demonstrable knowledge of the local property market relevant to the dispute. A surveyor with expertise in central London may lack the comparable evidence base needed for a rural Hampshire valuation dispute.

When reviewing the RICS register, check the listed geographic coverage carefully [2]. For London-based disputes, RICS-registered valuers in London with specific borough-level knowledge will carry greater evidential weight than a generalist.

✅ Criterion 4: Court and Tribunal Track Record

An expert witness must be able to withstand cross-examination and present evidence clearly to a non-specialist tribunal or judge. Ask prospective experts directly:

How many times have they given oral evidence in court or tribunal?
Have they been subject to a Daubert-style challenge or judicial criticism?
Can they provide references from instructing solicitors?

✅ Criterion 5: Impartiality and Independence

Courts require expert witnesses to act as independent advisers to the court, not advocates for the instructing party. The EWAS framework specifically assesses this quality [8]. Red flags include:

Experts who routinely act only for one side (claimant or defendant)
Surveyors with a financial interest in the outcome
Professionals who have previously advised the instructing party in a non-expert capacity

✅ Criterion 6: Quality of Written Reports

Request a sample redacted report before instruction. A strong expert witness report will:

Clearly state the expert's qualifications and instructions
Set out the methodology and comparable evidence used
Acknowledge areas of uncertainty or alternative views
Comply with CPR Part 35 (Civil Procedure Rules) requirements

Practical Steps: Instructing an Expert Witness Surveyor in 2026

Once the selection criteria have been applied, the instruction process follows a clear sequence:

Identify candidates via the March 2026 RICS register [2] and RICS Panel of Experts [10]
Verify credentials through RICS Find a Member [9]
Check specialism and geography against the dispute requirements
Request a CV and sample report from shortlisted candidates
Confirm availability for the relevant hearing dates
Issue a formal letter of instruction setting out the questions to be addressed
Obtain a fee estimate — note that RICS valuation costs vary significantly by complexity and dispute type

💡 Pro tip: For disputes involving both valuation and structural elements — such as dilapidations claims — consider whether a single expert with dual expertise or two separate experts (a valuer and a building surveyor) would better serve the case.

Common Mistakes to Avoid

❌ Instructing a surveyor without EWAS accreditation — their evidence may be challenged as insufficiently independent.

❌ Choosing based on fee alone — the cheapest expert witness is rarely the best value in complex disputes.

❌ Failing to check geographic specialism — local market knowledge is often decisive in valuation disputes.

❌ Not reviewing the expert's previous reports — a poorly structured report can undermine an otherwise strong case.

❌ Leaving instruction too late — RICS-accredited expert witnesses with strong track records are in high demand; early instruction is essential.

Conclusion: Actionable Next Steps for 2026

Selecting the right expert witness surveyor is one of the most consequential decisions in any valuation dispute. The good news is that the infrastructure for making that decision well has never been stronger. The March 2026 RICS Register of Accredited Expert Witnesses [2], combined with the RICS Find a Member portal [9] and the RICS Panel of Experts [10], gives solicitors and property owners a robust, verified starting point.

Here are the immediate next steps:

✅ Download the March 2026 RICS Register of Accredited Expert Witnesses and filter by specialism and geography [2]
✅ Cross-check shortlisted candidates on RICS Find a Member to confirm current regulatory status [9]
✅ Apply the six selection criteria outlined above — accreditation, specialism, geography, track record, impartiality, and report quality
✅ Request a sample report and fee estimate before formal instruction
✅ Instruct early — availability for experienced RICS-accredited experts fills quickly ahead of tribunal windows

Whether the dispute involves a matrimonial property settlement, a leasehold enfranchisement, a commercial rent review, or a party wall disagreement, the right RICS-registered expert witness surveyor can be the difference between a favourable outcome and a costly defeat. Use the 2026 directories and the selection criteria in this guide to make that choice with confidence.