Know what your building project costs – and when it will be done.
From the plot to the final invoice: real contractor prices and a schedule that keeps pace, both derived from your building data.
New build and retrofit. Single-family homes and apartment blocks.
Free to start · 30/60 days of full features.
In the browser, on iOS and Android – the same project status everywhere.
One platform – for every role in a residential project.
One platform · six products · one data core.
Property developers
For developers, housebuilders and investors.
Portfolio holders & asset managers
For asset managers and housing companies.
Building professionals
For energy consultants, architects and civil engineers.
Homeowners
For private clients building or renovating.
General contractors
For firms working with subcontractors.
Energy consultants
For retrofit planning, funding and delivery.
Cost and schedule from one model.
Renaldo thinks about every residential project from the end backwards. The two questions that actually matter in construction – what does it cost and when will it be finished – are answered from the same building data. Which is why the answers always agree.
Work item
Which works? From a database covering more than 20 trades.
×Quantity
How much? From your building and room data.
×Unit price
At what price? Real regional contractor rates.
The cost-certainty indicator tells you at any moment how solid your numbers are – and what is still missing to reach the next level.
Task
Which steps? Durations come out of your works configuration – not out of manual work.
→Dependency
What hangs on what? One slip cascades through the whole plan automatically, buffers included.
→Status update
How is it really going? Trades report from the portal – via link, no account, offline too.
Because cost and schedule hang off the same model, you see immediately what a delay costs – and what a decision means in time. That link simply does not exist elsewhere: scheduling tools don't know the costs, costing tools don't know the rhythm of the site.
And before any of that begins: three-click feasibility tells you before you buy whether a plot stacks up — right down to the maximum land price it can carry. See it for developers →
In short
What is Renaldo?
Renaldo is project and cost management for residential construction – new build and retrofit, from single-family homes to apartment blocks. We bring developers, asset managers, professionals, homeowners and financing partners around one table, with software that makes the entire lifecycle plannable. On top of that comes knowledge: free webinars, practical know-how and a certified retrofit-coach qualification.
- for developers & asset managers: acquisition, potential, apartment-block costing, tendering, construction, operation and sale – the portfolio under control, billed by project value.
- for professionals: import building data, plan the works, tender, analyse bids, coordinate trades, inspect, manage defects, check invoices – new build & retrofit, as many projects as you like.
- for homeowners: a running overview of costs, funding, decisions and dates – new build or retrofit, all in one app.
- for partners: advice and referrals based on live data and fast service, instead of gut feeling and long waits.
The whole residential project – in three steps, in one app.
From the first cost estimate through contract award to the final invoice – Renaldo covers every phase: with real contractor prices, AI at every step, and everyone working on the same project.
Plan & cost
Capture the existing building, cost it with real contractor prices, and secure funding.
Tender & award
Find the right firms, put the works out to tender, and compare bids safely with AI.
Build & settle
A schedule that keeps itself current – quality and invoices under control right to the last one.
SAM – your AI retrofit assistant
Ask SAM by voice or chat. It knows your project – the existing building, funding options, open bids – and answers in seconds. It also handles deep technical questions on German building-energy law (GEG), the BAFA/KfW funding schemes, building physics and standards – automatically in plain language or expert terms, depending on who is asking.
- Voice and chat input
- Expert knowledge on GEG, BAFA/KfW & standards
- Context-aware on every project, available 24/7
And everything else a residential project needs.
Building data imports
Existing-building models in one click from Doorbit, Hottgenroth, EVEBI and IFC – straight into the project, no retyping.
Construction schedule & takt planning
Durations from your works configuration, dependencies with buffers – one slip works its way through the whole plan automatically.
Contractor portal without a login
Firms see their tasks and report progress and delays – via link, no account, offline on site too.
Drawing register with sign-off
Which drawings you need – with status, author and an email-link approval flow. Including automatic window, rooflight & internal-door schedules (Excel export).
Professional PDF export
The whole project as a compact, readable PDF for the bank, the trades and your partners – in seconds.
Financing PDF
A financing PDF with a selectable purpose of use for the bank – the basic export is included even on the Start plan.
The entire lifecycle of a residential building – in one data core.
From acquisition and development potential through costing, tendering and construction to operation and sale. New build and retrofit, from single-family homes to apartment blocks – every work item linked directly to the building and room data.
Costing across every trade – with ready-made bills of quantities and real contractor prices. Every work item linked directly to the building & room data.
Acquisition
- Development potential (plot ratio / site coverage)
- Standard land value (BORIS) & cadastral map
- 3D building model
- Feasibility (margin, GDV, residual value)
Design & costing
- Building import (IFC)
- Drawing register
- Energy consulting module
- Building profile
- Funding module
- Financing calculator
- Material selection
- Apartment-block structure
- Neubau
Tendering & award
- Contractor portal
- Online contract award
- Bids + AI comparison
- Contractor address book
- Tendering-software / CSV export
Construction & handover
- Construction schedule & dates
- Site diary & AI weekly report
- Defect management
- Site supervision
- AI invoice checking
Operation & sale
- Tenant management
- Maintenance & billing
- ESG rating
- Unit brochure & data room
- Financing bridge
- Listing export
Ready to get your residential project under control?
Free to start · 30/60 days of full features.