The BT01 2022 index is France’s national construction index (all trades).
It measures changes in the cost of factors of production in the building industry and is the official reference for updating and revising construction contract prices.
The Index was created by a decree published in the Official Journal on December 20, 2014 (base 100 = 2010 average) and is published monthly by INSEE. It thus succeeds the Index of Building and Public Works (bases 1974 and 1975), which has been discontinued.
Below is the table of BT01 index values for the year 2022:
BT01 index values history in 2022 |
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|
Period |
Index value |
Variation in % / previous month |
Variation in % / December of the previous year |
Index evolution in % over 12 months |
Index evolution in % over two years |
|
January 2022 |
121.4 |
1.42% |
1.42% |
6.12% |
8.59% |
|
February 2022 |
122.2 |
0.66% |
2.09% |
6.08% |
9.30% |
|
March 2022 |
123.3 |
0.90% |
3.01% |
6.20% |
10.38% |
|
April 2022 |
124.9 |
1.30% |
4.34% |
7.39% |
12.02% |
|
May 2022 |
126.4 |
1.20% |
5.60% |
8.40% |
13.16% |
|
June 2022 |
127.2 |
0.63% |
6.27% |
8.26% |
13.57% |
|
July 2022 |
127.7 |
0.39% |
6.68% |
7.76% |
13.81% |
|
August 2022 |
127.9 |
0.16% |
6.85% |
7.93% |
13.69% |
|
September 2022 |
127.1 |
-0.63% |
6.18% |
7.17% |
12.58% |
|
October 2022 |
127.2 |
0.08% |
6.27% |
6.80% |
12.67% |
|
November 2022 |
127.2 |
No change |
6.27% |
6.44% |
12.37% |
|
December 2022 |
126,8 |
-0,31% |
5.93% |
5.93% |
11.62% |
Use of the BT01 2022 index:
Rule:
The price of the service of the contract of services will be revised at each expiry of the agreement according to a formula that integrates the evolution of the BT01 Index.
Formula:
[New price] = [old price] X [Known reference index BT01] / [Reference index BT01]
Attention, do not confuse the BT01 Index with the “Construction Index” or the “Rent Reference Index“, used respectively to revise rents for private individuals and leases for professionals. The values in this table will be updated at the rate of the publication of the Index during the year 2022.
