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Cost consultancy for architects & interior designers

Good design deserves more than a red pen.

We work with your team to test costs early, explore alternatives and keep the design ambition in view. Clear information helps you decide what to protect, where to adapt and how to move forward.

Why early cost advice matters

Commercial support at the decisions that matter.

A specification is a set of decisions, not a list of line items, and it is worth pricing it that way. When budget pressure arrives, the useful thing is options rather than a red line: what a change would actually save, what it would cost the design, and what it would mean for the programme.

Test the brief, budget and emerging design together, before assumptions become expensive commitments.

  • Early budget reviews
  • Cost planning through the design stages
  • Measurement and trade build-ups
  • Benchmarking where appropriate
  • Identification of scope gaps
  • Clear cost information for client decisions
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Costed options that help the design team protect what matters, rather than simply removing specification until the number works.

  • Costing alternative details, materials and specifications
  • Showing the saving and design consequence of each option
  • Prioritising the elements central to the design intent
  • Considering procurement and sequencing alternatives
  • Collaborative review meetings with the design team and client
  • Maintaining a clear decision and cost record
Need full cost planning and ongoing commercial control? Explore Quantity Surveying (PQS).

Turn the coordinated design into a tender that contractors can price clearly and clients can compare properly.

  • Tender and pricing documentation
  • Scope-completeness reviews
  • Tender queries and clarifications
  • Comparison of contractor returns
  • Qualifications, exclusions and risk
  • Procurement-route advice
  • Commercial recommendation to the client
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Keep cost, change, programme and contractual decisions controlled once the design moves onto site. These are client appointments, delivered in collaboration with the architect or designer.

  • Client-side Quantity Surveying
  • Project Management
  • Contract Administration
  • Employer's Agent services where appropriate
  • Valuations and payment recommendations
  • Change control
  • Cost reporting
  • Final account and close-out
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When to bring us in

The earlier, the more useful the advice.

Mapped against the RIBA Plan of Work. Tendering and procurement are woven into the stages where they actually happen, since their timing depends on the procurement route rather than a fixed point in the design programme.

What this means for you

Commercially credible advice beside the design, not against it.

Bringing BPH in at concept or early design development lets the practice show the client a credible, tested budget alongside the design, rather than defending the design later against an unexplained overspend.

Relevant experience

  • Super-prime & prime residential
  • Heritage & listed buildings
  • High-end fit-out & bespoke interiors
  • Extensions, basements & garden rooms
The Barn, St Clere Estate: architectural visualisation
Start a collaboration

Bring us in at your next project stage.

Send us the drawings you have and the budget you are working to. We will tell you what the design is likely to cost and where the pressure points sit.

Start a collaboration