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Renovation Platform

Floor plans, estimates, and compliant invoices in one platform. Built for renovation and trades businesses.

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Platform Live Upload PDF/PNG Plans Auto Estimates URSSAF Integrated Online Payments E-Signature
01 -- PLATFORM
The Carbillon Solution

No more manual quotes.
Hello automation.

Renovation contractors and tradespeople lose an average of 8 hours a week writing estimates, chasing clients, and managing their accounts. Carbillon solves all of that in one platform: the client uploads their floor plan or house plan (PDF, PNG, DWG), the platform analyses the area, detects the rooms, and generates a detailed estimate in minutes.

Once the estimate is electronically accepted by the client, the invoice is created automatically, synchronised with URSSAF for mandatory declarations, and payment can be made directly from the client interface — credit card, bank transfer, or direct debit. Zero re-entry, zero oversight.

Carbillon is also a complete dashboard to manage your projects, track payments in real time, automatically chase unpaid invoices, and generate your accounting documents in one click. Perfect for independent tradespeople and construction SMEs alike.

Without Carbillon
✕Estimates written manually in Word/Excel — 2h each
✕Approximate measurements with no plan analysis
✕Invoices forgotten or sent late
✕URSSAF declarations time-consuming and error-prone
✕Payments received by transfer + manual tracking
✕No visibility on project status or outstanding work
With Carbillon
✓Estimate generated from uploaded plan in < 2 hours
✓Rooms and floor areas detected automatically
✓Invoice created and sent on estimate acceptance
✓Automatic URSSAF sync — zero missed declarations
✓Secure online payment — card, transfer, direct debit
✓Real-time dashboard — projects, revenue, reminders
Core Modules
Plan Upload

Import PDF, PNG or DWG plans. The platform automatically detects rooms, surfaces and key features to pre-fill the estimate.

Smart Estimates

Generate professional quotes with detailed work items, applicable VAT rates, and fully customisable line-item pricing per trade.

Payments & Invoicing

Accept payments directly from the platform. Invoices are generated and archived automatically in line with legal standards.

URSSAF Integration

Direct synchronisation with URSSAF for sole traders and companies. Revenue declarations are pre-filled automatically from real receipts.

E-Signature

Clients sign estimates online from any device — smartphone or desktop. Legally binding, certified archiving included.

02 -- INTERFACE
Carbillon — Dashboard

Run your business.
In real time.

Track your estimates, invoices and payments from a clear dashboard. Automatic reminders, URSSAF sync, and client access all included.

Workspace: MARTIN RENOVATIONS Carbillon Platform v2.4 Connected
Martin Renovations
Reg. No. 843 210 567
Dashboard
Plans & Projects
Estimates
Invoices
Payments
URSSAF
Clients
Settings
All Estimates Invoices Payments July 2025 ▾ All Clients ▾
Revenue This Month
£53,200
↑ +18% vs previous month
Pending Estimates
7
Total value: £33,400
URSSAF Status
Up to date
Next deadline: 31 Jul.
Client / Project
Amount (ex. VAT)
VAT
Status
Action
Johnson — Kitchen RenovationPlan uploaded · 18 m² detected
£10,600
20% · £2,120
VIEW →
Davies — Full Bathroom RefitPDF plan · 9 m² detected
£7,050
20% · £1,410
Sent
REMIND →
Thompson — Living Room ExtensionDWG plan · 32 m² detected
£21,000
20% · £4,200
In Review
EDIT →
Williams — Loft InsulationPNG plan · 65 m² detected
£8,300
5% · £415
Draft
SEND →
Harris — External RenderingPhotos + description · estimated
£6,200
20% · £1,240
VIEW →
03 -- FEATURES
What Carbillon Includes

Everything you need.
Nothing you don't.

Carbillon is built for tradespeople and construction businesses who want to save time, eliminate errors and impress their clients.

Smart Plan Upload
Import a PDF, PNG or DWG plan and let Carbillon automatically detect rooms, floor areas and project specifics to pre-fill the estimate.
Professional Estimates
Generate detailed quotes with work items, labour, materials and differentiated VAT. Fully branded templates customisable to your business.
Electronic Signature
Clients sign in one click from any device. eIDAS-compliant legal value, 10-year secure archiving and instant signature notification.
Automatic Invoicing
On estimate acceptance, the invoice is instantly created and sent to the client. Sequential numbering, legal notices and automatic archiving.
Direct Online Payment
Accept credit cards, SEPA transfers and direct debit from the platform. Clients pay directly from their estimate or invoice — zero friction.
URSSAF Integration
Direct URSSAF sync. Revenue declarations are pre-filled automatically from real receipts. Zero risk of missing a declaration.
Automatic Reminders
Set up automated follow-up sequences for unsigned estimates and unpaid invoices. SMS, email or in-app notification based on your preferences.
Real-Time Dashboard
Run your business from a single dashboard: revenue by period, estimate acceptance rate, pending payments and cash-flow forecasts.
Dedicated Client Portal
Every client gets their own portal to view estimates, sign, download invoices and track the progress of their renovation project.
04 -- PROCESS
From Request to Payment

5 steps.
Fully automated.

Carbillon streamlines every stage of a renovation sale cycle, from first contact to final payment received.

01 —
Upload Floor Plan
You or the client uploads the floor plan or house plan (PDF, PNG, DWG). The platform automatically analyses the surfaces and detects each room.
02 —
Generate Estimate
Carbillon pre-fills the estimate with the right work items, detected areas and your pricing. Customise in a few clicks and send instantly.
03 —
Client Acceptance
The client receives the estimate by email, reviews it from their personal portal and e-signs with full legal validity. You get an instant notification.
04 —
Invoice & Payment
The invoice is auto-generated and sent to the client. They can pay online directly from the invoice. Automatic reminder if the deadline passes.
05 —
URSSAF Declaration
All receipts are automatically recorded. Your URSSAF declaration is pre-filled from your real income. Validate in one click — done.
05 -- INTEGRATIONS
Connected Ecosystem

Connects to your tools.
Natively.

Carbillon connects to the services you already use — accounting, payments, administration — with no manual import or export.

Full legal compliance.
100% guaranteed.

Invoices fully compliant with UK and EU invoicing standards, sequential numbering enforced, automatic legal notices based on your business type (sole trader, Ltd, partnership), differentiated VAT rates applied per work type (5% · 20%). Secure 10-year archiving with legal probative value.

Connected To
URSSAF HMRC Stripe GoCardless Xero QuickBooks Sage 50 Google Drive Dropbox DocuSign Yousign REST API

Standardize Renovation Operations

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