Nelson's Christ Church Cathedral needs millions of dollars worth of seismic strengthening.

But only because it's wooden and has no seismic strengthening requirements.

That covered seismic strengthening, refurbishment, collection-store upgrade and much more room for exhibits.

It was disappointing the seismic strengthening had not been sorted out sooner, he said.

This will include seismic strengthening of Te Papa's Tory Street building which houses significant collections.

Central Wellington buildings owners, council and insurers will argue about who should pay for seismic strengthening.

The Property Council says property prices have fallen since the public's awareness about the need for seismic strengthening.

The government is to spend $6 million on the seismic strengthening of eight schools in Christchurch.

Churches around the country are shutting their doors as congregations and funds dwindle, and ageing buildings need seismic strengthening.

It was unable to provide a costing for the 2014-18 seismic strengthening of the Carillon.

The nearly 100-year-old Catholic church, located in the central city, has moved forward the planned seismic strengthening after last weekend's earthquake.

Another was to Victoria Mansions up on Victoria Street, which is again a well-known landmark property, to do seismic strengthening on that.

Two major building projects at Hawke's Bay Hospital have been delayed by the discovery that seismic strengthening also needs to be carried out.

The Hamilton City Council says it's confident a grandstand at Waikato Stadium, which is likely to require seismic strengthening, is still safe to use.

This was after the 45 metre-tall tower had already been closed for costly seismic strengthening that began in 2012.

RNZ understands the upgrading of some of the tower's services and stairways alone could cost $1m, which does not account for the seismic strengthening itself.