FREE FOREVER
SAPPER Free Plan
£0
No limits. All features. Forever.
✓ All Features Included:
- Unlimited Part L assessments
- Average U-value calculator
- Whole House method calculator
- AI drawing extraction (SAP Extract)
- Automated thermal bridge calculations
- RCD-optimized psi-values
✓ Advanced Features:
- Condensation risk analysis
- Room in Roof calculator
- Professional PDF reports
- Project dashboard & history
- AI-generated compliance narratives
- Export to Elmhurst format
SAPPER vs Traditional Compliance Software
| Feature | SAPPER | Elmhurst Energy | SAP Software Ltd | BuildDesk |
|---|---|---|---|---|
| Monthly Cost | £0 | £150-200 | £100-150 | £80-120 |
| Per-Assessment Fee | £0 | £2-5 each | £3-6 each | £2-4 each |
| AI Drawing Extraction | ✗ | ✗ | ✗ | |
| Thermal Bridge Calculator | Partial | |||
| Room in Roof Tool | ✗ | ✗ | ||
| Setup Time | Instant | 2-3 days | 1-2 days | 1-2 days |
| Training Required | None | 2-4 hours | 3-5 hours | 2-3 hours |
| Annual Cost (100 assessments) | £0 | £2,100-2,900 | £1,800-2,400 | £1,200-1,680 |
💰 Save £1,200-2,900 per year by switching to SAPPER
Free for Everyone, Perfect for Anyone
Homeowners
Check compliance before hiring professionals. Save on consultation fees.
Savings: £200-500 per project
Builders
Quick compliance checks during quoting. Avoid expensive software subscriptions.
Savings: £1,200+ per year
Architects
Real-time compliance verification during design. No per-project charges.
Savings: £1,800+ per year
SAP Assessors
AI extraction speeds up workflow. Free alternative to expensive SAP software.
Savings: £2,400+ per year
Pricing FAQs
Is SAPPER really completely free?
Yes. 100% free with no hidden costs, no premium tiers, and no feature limitations. All users get full access to every feature including AI extraction, thermal bridges, and PDF reports.
Will you introduce paid plans in the future?
We're committed to keeping core compliance tools free. We may introduce optional premium features for large commercial users, but the current feature set will always remain free for everyone.
Do I need to provide payment details?
No. You don't need a credit card or any payment information to use SAPPER. Just sign up with your email and start using all features immediately.
How can you afford to offer this for free?
SAPPER is part of the UKRAES ecosystem. We believe accessibility to compliance tools benefits the entire construction industry. By removing cost barriers, we're helping improve building standards across the UK.
Are there any usage limits?
No limits on the number of projects, assessments, or reports. Use SAPPER as much as you need for residential extensions and small commercial projects.