Construction Estimating, Quantity Surveying & Cost Planning Services Across the UK
We provide construction estimating, quantity surveying, and cost planning for contractors, developers, architects, and property investors across the UK. Andrew Page leads the practice with over 38 years of hands-on experience in the construction industry. He uses advanced estimating software to produce cost forecasts within a 2–3% margin of error. Projects range from residential extensions to commercial developments valued at up to £150 million.
Accurate · Fast · Reliable · Nationwide UK Coverage · Fees from £200 + VAT
What construction consultancy services do we offer?
The practice provides construction consultancy services from initial cost planning and preliminary budgets through to final account and EPC compliance. Projects range from house extensions at around £25,000 to major developments valued at up to £150 million, across residential, commercial, and infrastructure sectors. Services include construction estimating, quantity surveying, Bills of Quantities, tender support, cost reporting, energy performance certificates, and eco works compliance.
Construction Estimating Services
We produce detailed cost estimates for projects of every size. This includes small residential works and large-scale developments. We use advanced software to deliver estimates 50% faster, with a 2–3% margin of error.
- Preliminary budget estimates
- Detailed construction cost plans
- Tender-ready pricing documents
- Labour, material, and plant breakdowns
Quantity Surveying Services
Professional cost control and financial management throughout the project. A quantity surveyor (QS) manages your project finances. This covers cost planning, forecasting, and final account preparation.
- Cost planning & forecasting
- Valuations and interim payments
- Contract cost management
- Final account preparation
Energy Performance Certificates
Fast and compliant EPC assessments for residential and commercial properties across the UK. Accredited assessors issue certificates within 24 hours.
- Residential & commercial EPCs
- New build & existing properties
- 24hr certificate issued
Bills of Quantities (BOQ)
A Bill of Quantities is a detailed list of every material and task required to complete your project. Our BOQs follow NRM and SMM7 standards. These are industry-recognised measurement rules that support tendering and procurement. We deliver in Excel and PDF formats with trade-specific breakdowns.
- NRM & SMM7 compliant BOQs
- Excel & PDF formats
- Procurement-ready documentation
Tendering & Bid Support
We help contractors submit competitive and accurate tenders. Services include tender analysis, subcontractor comparisons, cost risk review, and bid optimisation support.
- Tender analysis
- Subcontractor comparisons
- Bid optimisation support
Cost Reporting
Detailed financial reporting throughout the construction lifecycle. This covers interim valuations through to final account. You keep full control of project spend at every stage.
- Interim valuations
- Cash flow forecasting
- Final account reporting
Eco Works & CESP
CESP services and eco-building works to help clients meet sustainability and regulatory requirements. We provide practical, cost-effective solutions.
- CESP services
- Eco-building works
- EPC compliance support
How does the construction estimating process work?
The estimating and cost planning process is designed to be direct. Clients submit drawings or a brief, receive a detailed cost forecast typically within 24 hours, and review the output with the surveyor. The practice combines traditional quantity surveying methods with modern estimating software. Cost forecasts are typically accurate to within 2–3% of the final construction cost.
Submit Your Drawings
Send us your architectural drawings, plans, or project brief by email or through our contact form. We work with projects of every size. This includes single-room extensions and multi-million pound commercial developments.
- Drawings, PDFs, or project brief
- Any stage — concept to planning
- Residential, commercial & industrial
Receive Your Estimate
We analyse your project and produce a detailed cost estimate. Most estimates are ready within 24 hours. A cost estimate shows what your project will cost before work begins. It breaks costs down by trade and by building element. We use advanced estimating software to achieve a 2–3% margin of error.
- Turnaround within 24 hours
- 2–3% margin of error
- Full trade-by-trade breakdown
Review & Refine
We walk you through the estimate on a call. If your scope changes, we revise the document quickly. A Bill of Quantities turns your estimate into a detailed list of every item of work. Contractors use this for pricing and contract administration. You receive a final document ready to send to contractors.
- Plain-English review call
- Revisions included as standard
- Contractor-ready documentation
38 Years of Construction Expertise.
One Point of Contact.
Page Building Consultants is run personally by Andrew Page. He is a building cost estimator and quantity surveyor with over 38 years of hands-on experience in the construction industry. You deal directly with him. There are no junior account managers.
We combine traditional quantity surveying expertise with modern estimating software. Our tools produce estimates 50% faster than manual methods. They also maintain a 2–3% margin of error.
Services include feasibility budgets, full Bills of Quantities, and ongoing cost management for projects across the UK.
Andrew Page has worked on many different project types. These include single-storey house extensions and loft conversions. They also include multi-million-pound commercial developments and public sector refurbishments. This wide experience shapes the cost forecasts we produce for each new project. We use advanced estimating software to reduce turnaround time. We also maintain the same level of detail as traditional manual methods.
Why choose Page Building Consultants for your project?
Estimating fees start from £200 + VAT. Contact us for a tailored quote based on your project scope.
What results can you expect?
The following case studies cover projects across residential, commercial, public, and infrastructure sectors in the United Kingdom. Each entry outlines the project challenge, the services provided, and the measurable outcome. Project values range from a £3.8 million private residence to a £22.5 million station redevelopment.
Large Residential Development
Private Developer
Challenge
The developer needed a full cost plan and BoQ produced within 5 working days to meet a funding deadline, covering 50 mixed-tenure units across three blocks.
Outcome
Delivered a comprehensive Bills of Quantities and cost plan within 4 days. The project came in 1.8% under the original estimate at final account, saving the client over £140,000 against budget.
Theatre & Public Building Refurbishment
Local Authority
Challenge
A historic theatre required full refurbishment while remaining partially operational. The client needed competitive tender pricing, heritage compliance, and ongoing cost control throughout.
Outcome
Produced a full tender package that attracted 6 competitive bids, achieving a 10% saving against the initial budget estimate. Monthly cost reports kept the client fully informed with zero cost overruns at completion.
Station Redevelopment Project
Transport Infrastructure Client
Challenge
A major station redevelopment requiring detailed estimating across structural, M&E, and fit-out packages, plus EPC compliance for a complex multi-use building with demanding energy requirements.
Outcome
Delivered phased cost reporting across all packages, enabling the client to manage cash flow effectively. The EPC assessment was completed within 48 hours of handover, achieving an A-rating and supporting the client's sustainability commitments.
High-End Private Housing
Private Client
Challenge
A high-specification private residence requiring detailed cost planning across premium finishes, bespoke joinery, and complex M&E installations, with a tight programme to meet the client's move-in date.
Outcome
Delivered a comprehensive cost plan and tender package that secured a competitive contractor at 4% below budget. Ongoing cost reporting ensured the project completed on time and within the agreed budget.
What Our Clients Say
Feedback from developers, architects, contractors, and homeowners who have used the practice.
“Andrew and the team transformed our development timeline completely. Their estimating accuracy is outstanding. Their fast turnaround saved us weeks of planning time on every project. We have used Page Building Consultants on over a dozen developments now. They consistently deliver cost plans that keep us well within budget. The detailed Bills of Quantities they produce make tendering straightforward. The 24-hour response time is invaluable when we are working to tight deadlines. I would not hesitate to recommend them to any developer looking for reliable construction estimating services London or nationwide.”
“We have used Page Building Consultants on multiple commercial and residential projects across the Midlands. Their Bills of Quantities are incredibly detailed. They are professionally presented, and the 24-hour turnaround is genuinely impressive. As an architect, having reliable cost information early in the design process is essential. Andrew's team provides exactly that. Their cost planning insights have helped us value-engineer designs without compromising on quality. They have saved our clients significant sums before construction even begins. Highly recommended to any architect or developer seeking expert quantity surveying support.”
“The cost planning and tender support from Page Building Consultants has been first-class from day one. Andrew's 40 years of experience really shows in the detail. He spots risks and cost drivers that others miss. His pricing is always competitive and well-researched. Since we started using their construction estimating services, we have won significantly more tenders. Our bids are now based on solid, accurate figures rather than guesswork. The BoQs are trade-ready. The breakdowns make it easy for our subcontractors to price accurately too. A genuinely valuable partner for any contractor.”
“We were planning a two-storey extension and had no idea what the real cost would be. Page Building Consultants gave us a detailed estimate within 24 hours. It broke down every single trade — from foundations to decoration. It gave us the confidence to move forward with our project. It also helped us secure the right builder at a fair price. Andrew was patient. He explained everything in plain English. He even suggested a few value engineering ideas that saved us nearly £8,000. Excellent service for anyone who needs a quantity surveyor for extensions or home improvement projects.”
“As a portfolio landlord with multiple residential and commercial properties, I need fast, accurate cost advice I can rely on. Page Building Consultants delivers every time. Whether it is a full refurbishment cost plan, an EPC assessment, or a quick feasibility budget for a new acquisition, they always come through. Their EPC assessor London service is particularly efficient. The certificates are turned around within 24 hours. The pricing is transparent. The communication is excellent. Andrew's market knowledge is second to none. I would not use anyone else for construction cost consultancy in the UK.”
How much does a home extension cost in 2025?
Understanding the cost of a home extension can be difficult. Our guide provides detailed cost breakdowns for the UK's most popular residential projects. These figures are based on our live pricing data and 40 years of estimating experience. We break down every trade from groundworks to decoration. This helps you see exactly where your budget goes. Preliminaries cover site setup, scaffolding, and management. First fix means the electrical wiring and plumbing pipes. Second fix covers the sockets, switches, and sanitaryware. All of these are included so nothing is hidden. Whether you are planning a single-storey kitchen extension, a two-storey addition, or a loft conversion, these figures give you a reliable starting point. For a precise quote based on your drawings, location, and specification, contact our team today.
Try the Interactive Calculator
A single storey rear or side extension is the most popular home improvement in the UK. Typically used to create an open-plan kitchen-diner, utility room, or additional living space. Costs vary significantly based on size, specification, and location.
Also budget for:
- Planning & building regs fees (approx. £1,200–£2,500)
- Architect / designer fees (approx. £1,500–£4,000)
- Structural engineer (approx. £500–£1,500)
- VAT at 20% on most works
Costs shown are for a standard mid-spec build in the Midlands. London and South East typically add 15–25%. High-spec finishes (bi-fold doors, underfloor heating, lantern roof) will increase costs.
See the quality of our work — before you commit
Download real examples of our Bills of Quantities and cost plans to see the quality and detail we deliver before you commit to a project. These are genuine documents from completed UK construction projects, prepared to professional standards including NRM2 compliance, with full trade-by-trade breakdowns, preliminaries, and contractor pricing summaries. Reviewing these samples gives you a clear picture of the accuracy, depth, and professional presentation you can expect when you commission Page Building Consultants. Whether you need a Bill of Quantities for competitive tendering, a detailed cost plan for funding applications, or a quotation for a residential build, these downloads demonstrate why contractors, developers, and architects across the UK trust our construction estimating services.
Bills of Quantities — 15–19 Lane End Inn
A full residential conversion BoQ covering demolition, structural works, internal fit-out, and external works. Prepared to NRM2 standards with detailed trade-by-trade breakdowns.
Quotation — Belmont Avenue
A detailed cost estimate and quotation for a residential project on Belmont Avenue, including elemental cost breakdown, preliminaries, and contractor pricing summary.
Ready to get a quote for your project?
We typically turn around estimates within 24 hours. No obligation, no fuss.
Who do we work with?
The practice works with contractors, private homeowners, property developers, architects, engineers, and public sector organisations across the UK. The desk-based approach allows support for projects of any size and complexity, anywhere in the United Kingdom. Services are tailored to the specific requirements of each client type.
Main Contractors
Accurate tender pricing and Bills of Quantities to help main contractors win work and manage costs throughout the project lifecycle.
Property Developers
From feasibility budgets to full cost plans — we help developers understand and control costs at every stage of residential and commercial development.
Architects
Cost planning support at design stage to ensure projects remain within budget. We work alongside architects to provide reliable cost information from concept to completion.
Also Working With
Got questions? Here are the answers.
Answers to common questions about construction estimating, quantity surveying, Bills of Quantities, and EPC services. Can't find your answer? .
Request a Free Consultation
Whether you need a quick budget estimate for a house extension, a full Bill of Quantities for a commercial tender, an EPC assessment for a rental property, or ongoing cost management for a large development, we are here to help. Get in touch today using the form below or any of the contact details provided, and we will respond within 24 hours with a tailored quote or consultation. Our construction estimating services London team and nationwide consultants are ready to support your project from concept to completion.
Estimating fees start from £200 + VAT. Contact us for a tailored quote based on your project scope.