Short answer: For home building, 3 to 5 offers usually make sense – enough for a robust comparison and few enough to keep an overview. What matters is that the same basis of services underlies all offers.
How many offers make sense?
3 to 5 offers are usually enough to gauge the price level and services. Fewer offers barely allow a comparison, and significantly more make the evaluation confusing. Collect the offers within a fixed time window so that the terms remain comparable.
How do offers become comparable?
Offers only become comparable once an identical basis of services underlies them. Give all providers the same specifications: the same living space, the same finishing stage and comparable fittings. Then check the building specification item by item, because that is where the most important differences arise between seemingly equal prices.
Which points can be negotiated?
There is often room to move on the scope of the fittings, on individual special requests, on the handling of DIY work as well as on securities and payment plans. The pure square-metre price is often less negotiable than the scope of services offered for it. Always record agreed changes in writing.
Sample comparison table to fill in
Enter the offers into the same structure so that you can compare them line by line. You fill the columns Provider A, B and C with your specific figures and details. For a uniform basis for enquiries you can plan your house online in advance and send the same configuration to all providers.
| Criterion | Provider A | Provider B | Provider C |
|---|---|---|---|
| Base price | – | – | – |
| Scope of services per building specification | – | – | – |
| Fixed-price commitment | – | – | – |
| Construction time | – | – | – |
| Securities / guarantee | – | – | – |
| Incidental costs | – | – | – |
| Total | – | – | – |
You can find a printable version and further checklists among the checklists to download. How to read the building specification in detail is shown by the guide Building specification when building a house.
Frequently asked questions about home-building offers
How many offers make sense?
In practice, 3 to 5 offers have proven effective. This number is usually enough to gauge the price level and scope of services without the comparison becoming confusing. It is important that the same specifications underlie all providers.
How do offers become comparable?
Offers only become comparable once an identical basis of services underlies them: the same living space, the same finishing stage and comparable fittings. Check the building specification line by line and enter the offers into a uniform table.
Which points can be negotiated?
Often negotiable are the scope of the fittings, individual special requests, the handling of DIY work as well as the terms for securities and payment plans. The pure square-metre price is often less flexible than the scope of services offered for it.
What should I look out for in the building specification?
Look for completeness and unambiguous wording. Open items, blanket placeholders or missing details on fittings and incidental costs lead to supplementary charges later. A detailed review of the building specification is therefore the basis of every fair comparison.
Should I have an existing offer reviewed?
If you already have a concrete offer, an independent review can be worthwhile. This way you spot gaps in the scope of services, unclear fixed-price arrangements or missing securities before you sign.
How to get comparable offers
You can have matching offers from prefab house providers put together or have an offer you already hold reviewed independently.
Compare offers in a structured way
With a uniform basis of services you get more out of every comparison. Request matching offers free of charge and evaluate them at your leisure.
