Homeowners
Plan your project with greater clarity.
Understand development potential, likely construction costs and the professional services you may require.
Explore relevant toolsPRIVATE BETA
SAMSON TOOLS
Development tools. Built for better decisions.
Samson Tools is currently in private beta. We're building a suite of practical development tools for developers, architects and property professionals — from early site potential through to build costs and development appraisal.
Get Early Access
Join the list to be notified when Samson Tools launches.
A clearer starting point for every property ambition.
Developers
Assess opportunities before committing.
Understand development potential, costs, viability, land value and professional requirements.
Explore relevant toolsTool directory
Built for better decisions.
Five focused tools are being prepared for launch. Early access will be available to registered users first.
Development potential
COMING SOON
Development Potential Checker
Understand the initial development potential of a property or site.
Check Potential →Cost
COMING SOON
Build Cost Calculator
Generate an indicative construction-cost range based on project type, size and specification.
Calculate Cost →Professional services
IN DEVELOPMENT
Professional Fee Calculator
Understand the likely professional team and indicative fee allowance required for a project.
Calculate Fees →Viability
COMING SOON
Development Appraisal
Assess GDV, development costs, profit and development margin.
Start Appraisal →Land
PLUSIN DEVELOPMENT
Residual Land Value
Calculate an indicative maximum land value based on development costs, GDV and target return.
Calculate Land Value →PRIVATE BETA
Be first to access Samson Tools.
Join the list to be notified when Samson Tools opens for access.
YOUR PROJECT. ONE PLACE.
Save your property once and use it across Samson Tools.
Build a clearer picture of your project as you move between development potential, costs, viability and land value. Your saved project information can be reused across relevant tools.
Development PotentialBuild CostDevelopment AppraisalResidual Land Value
Register your interest BASIC
FREE
A genuinely useful starting point for your property project.
- Development Potential Checker
- Build Cost Calculator
- Professional Fee Calculator
- Basic Development Appraisal
- Basic results
- 1 saved project
PLUS
£5 / month · £50 / year
For active projects and property professionals.
- Everything in BASIC
- Full Development Appraisal
- Residual Land Value
- Advanced calculations
- Sensitivity analysis
- Scenario comparisons
- Multiple saved projects
- Detailed downloadable project reports
- Future premium Samson Tools
My Projects
Keep your project information in one place.
Save project details once and build a clearer picture as Samson Tools develops. Your project information can be reused across the tools you choose.
Register interest