dear friends, do any of you know any Brethren writers who deny that there will be a millennial temple, or who deny that sacrifices will be performed in it? Which writers who take the more common view would write most extensively on this topic? Thank-you for any advice.

Someone needs to get this ball rolling. 

To the first question, FF Bruce's commentary on Ezekiel in "The New Layman's Bible Commentary" seems to suggest that. 

For the second, possibly John Bloore in the "Numerical Bible" (he finished the commentary FW Grant had left incomplete at his death).

I would suggest that Bruce is not really representative of any "mainstream" Brethren writrers who deny the millennial temple. I'm not sure who influenced him.

Newberry and Ironside have some more-than-just-cursory-notes on Ezekiel's temple.

Agreed, Syd, though it would be interesting to define the parameters of the "mainstream." ; )

TW Ball would be someone who probably didn't expect a millennial temple and sacrifices, but we are lacking the pertinent documents to find out.

Ellison would also be outside the majority: 

https://biblicalstudies.gospelstudies.org.uk/pdf/ellison/ezekiel/ezekiel-complete.pdf

Hi Rodger et al. 
In the Believer's Magazine for April 2018 an avowedly controversial article on Ezekiel's Temple was published. 
It was written by Denis O'Hare of Perpignan (France). The title was "Prophecy Matters". 
The commonly held view that a literal reading of these chapters is preferable was rejected.

The following month an opposing article appeared (by invitation) which was supportive of the usual view. 
No incoming response from readers was provided, nor do we know if any were submitted. In the XX Century one would have seen active controversial engagement, but not in the Editorial regime of Phil Coulson !
How I would have longed for a proper rebuttal of the O'Hare notions, such as would have been forthcoming from William Hoste, for example. However that is not likely in the present theologically anaemic state of "Gospel Hall" assemblies. 

I don't think there is easy free access to this magazine issue in an archive system.