At Cornerstone Quantity Surveying Ltd, we provide expert cost consultancy throughout the entire construction lifecycle. Whether you are at the earliest stages of exploring project viability or closing out a complex development, our role is to safeguard your investment through accurate advice, transparent reporting and robust commercial control.
We understand that every project presents unique challenges, and we tailor our approach to suit your specific objectives, budget and programme.
Cost Planning & Estimating.
Accurate cost planning is the foundation of any successful construction project. At Cornerstone Quantity Surveying Ltd, we provide detailed, data-driven estimates that give you full visibility and control over your budget from day one. By establishing a clear financial roadmap at the earliest stage, we help you make informed decisions, manage risk proactively and set realistic expectations for the entire project team.
Our approach goes beyond simply producing figures. We draw on over two decades of industry knowledge, current market intelligence and benchmarking from comparable projects to ensure our estimates reflect true market conditions.
- Feasibility estimates to assess project viability and shape early design direction
- Detailed elemental cost plans aligned with RIBA stages to support design development
- Benchmarking and market testing to validate assumptions and ensure commercial accuracy
- Value engineering advice identifying cost-effective alternatives without compromising quality
- Cashflow forecasting to support financial planning and funding requirements
- Risk allowances and contingency planning to safeguard against uncertainty
By combining technical expertise with transparent communication, we ensure you have complete confidence in your cost plan from the outset, creating a solid financial foundation that protects your investment at every step.
Contract Administration.
Effective contract administration is essential for keeping a project on track, commercially sound and free from unnecessary disputes. At Cornerstone Quantity Surveying Ltd, we administer contracts with precision, diligence and complete transparency, ensuring that all obligations, processes and communications are managed in accordance with the agreed terms.
Our proactive approach means we are continually monitoring progress, identifying risks early and addressing issues before they escalate. With a deep understanding of construction contracts—including JCT and other standard forms—we provide robust oversight that protects your interests.
- Issuing contract instructions and ensuring they are properly recorded, costed and communicated
- Managing variations and change control, maintaining full transparency around cost and programme impact
- Assessing interim valuations and certifying payments in line with contractual procedures
- Monitoring compliance with contract terms, including quality standards, progress and performance
- Managing extensions of time, claims and notifications, with careful consideration of entitlement and evidence
- Chairing and documenting project meetings, providing clear records and action tracking
- Coordinating handover and closeout, including the preparation of final certificates and documentation
By applying rigorous contract management and clear communication throughout the project, we help reduce risk, prevent disputes and ensure your project can move forward with confidence and control.
Project Management Support.
From initial feasibility through to project completion, Cornerstone Quantity Surveying Ltd provides structured and dependable project management support to help keep every element of your development on track. Our role is to bring clarity, coordination and commercial control to the process.
We work closely with clients, contractors, consultants and stakeholders to maintain alignment at every stage, offering hands-on guidance and oversight that strengthens decision-making and supports smooth delivery.
- Early feasibility input, including programme advice, budget alignment and risk identification
- Defining project objectives and deliverables, ensuring all parties understand expectations
- Coordinating design development, supporting the integration of cost, programme and quality considerations
- Monitoring progress against programme, addressing delays and providing mitigation strategies
- Managing communication and stakeholder alignment, ensuring clear, consistent information flow
- Quality oversight, ensuring works are completed in line with specifications and contractual standards
- Risk, issue and change management, with transparent reporting and sound commercial guidance
- Supporting handover, commissioning and closeout, ensuring all documentation and deliverables are finalised
Whether you require full lifecycle support or targeted assistance at key milestones, we provide the structure, insight and oversight needed to deliver your project efficiently and confidently.
Final Accounts & Valuations.
Accurate valuations and well-managed final accounts are essential for closing out a project with confidence. At Cornerstone Quantity Surveying Ltd, we ensure that every cost is properly assessed, evidenced and agreed, providing clients with complete clarity over their financial position at each stage of the construction process.
Our approach combines meticulous attention to detail with a thorough understanding of contractual entitlements, ensuring that all variations, claims and adjustments are handled fairly and transparently.
- Interim valuations carried out in accordance with the contract to ensure accurate and timely payments
- Assessment of variations and change with clear justification and transparent cost breakdowns
- Review and negotiation of contractor claims, ensuring entitlement is correctly evaluated
- Preparation, submission and agreement of final accounts, fully evidenced and aligned with contractual requirements
- Reconciliation of provisional sums and allowances, ensuring costs reflect actual works delivered
- Detailed reporting and audit trails to support transparency and commercial certainty
- Liaison with contractors and stakeholders to resolve outstanding matters promptly and professionally
By applying rigorous analysis, strong commercial judgement and clear communication, we provide a structured and efficient closeout process that protects your interests.
- Local expertise in London’s construction market
- Transparent, client-focused service
- 20+ years of professional experience
- Commitment to accuracy, reliability and results
Let’s Talk About Your Project.
At Cornerstone Quantity Surveying Ltd, we combine precision, transparency, and collaboration to deliver exceptional results. We work with businesses, developers, contractors, and investors across London and the South East, adapting to each client’s needs on projects of every scale.