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Surveyor

Belasco Associates Limited

London

RICS RegulatedResidentialCommercial

3rd Floor, 45 Albemarle Street, London, W1S 4JL, London, London, W1S

We are a family-owned firm of Chartered Quantity Surveyors and Construction Consultants. Led by Leigh Belasco with over 25 years of experience, we bridge the gap between complex engineering and traditional surveying to resolve disputes and manage high-value projects across South Wales.

We are a family-owned and operated firm of Chartered Quantity Surveyors and Construction Consultants. Since our founding in 2014, we have grown from a specialist dispute resolution practice into a comprehensive consultancy serving homeowners, developers, and legal firms across South Wales and beyond.

Our approach is built on a simple formula: we combine deep technical expertise with a personal, responsive service. Whether you are navigating a complex construction dispute or need a reliable cost plan for a new development, we deliver clarity and results under pressure.

Technical Expertise Led by Leigh Belasco

Our firm was established by Leigh Belasco, who brings over 25 years of experience to every project. Leigh is uniquely qualified as a Chartered Quantity Surveyor, Chartered Construction Manager, and Chartered Chemical Engineer. This rare combination of skills means we don't just look at the numbers; we understand the complex mechanical, electrical, and process engineering behind your project.

We are a RICS Regulated firm and a CIOB Chartered Building Consultancy, ensuring that our work meets the highest professional and ethical standards in the industry.

From Super-Prime Residential to Major Infrastructure

We don't believe in a one-size-fits-all approach. Our team has delivered successful outcomes across a vast range of sectors, including:

  • Residential: From private home refurbishments to super-prime luxury residences and affordable housing schemes.
  • Commercial & Retail: Managing costs and contracts for high-street brands and office developments.
  • Specialist Sectors: Providing expert advice in pharmaceutical, petrochemical, water, and energy-from-waste projects.
  • Public Sector: Working alongside local authorities and Housing Associations (RSLs).

Why South Wales Developers and Homeowners Trust Us

While we operate across London and the Home Counties, our heart is in South Wales. We provide local expertise with a national standard of quality.

"We pride ourselves on our flexibility and transparency. Our ability to deliver demanding work to tight timescales is what sets us apart."

FeatureDetail
Established2014
AccreditationsRICS, CIOB, CIArb
Core RegionsCardiff, Swansea, Bridgend, Carmarthenshire, Pembrokeshire
Team StrengthChartered Surveyors, Engineers, and Expert Witnesses

Specialists in Dispute Resolution and Party Wall Matters

If your project has hit a roadblock, we are here to help. We specialise in construction adjudication and expert witness appointments, helping to resolve conflicts regarding quantum, delays, and professional negligence.

For homeowners planning works near a boundary, our Party Wall surveyors provide a seamless service—from initial project appraisals and issuing notices to preparing final awards. We ensure your project remains compliant while protecting your interests and maintaining good relationships wi

Services

  • Quantity Surveying
  • Construction Adjudication
  • Expert Witness
  • Employer’s Agent
  • Contract Administration
  • Building Surveying
  • Party Wall Surveying
  • Commercial Management
  • Construction Claims
  • Estimating
  • Feasibility Studies
  • Cost Planning
  • Procurement Advice
  • Tendering
  • Condition Reports
  • Dispute Resolution

Coverage areas

Operating across 1 town in the UK

Sector count shown next to each town. Browse more surveyors

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