Most listings are in the $10's per square foot per year. The Brecon region is seeing a a rise in rates. In the last 3 months, the median rate increased $15 per sqft per year.
In the last 90 days, 0 listings have come on the market, which means office spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About Inf% of the available leases in the Brecon are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 3,680 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this area are around 2 floors. Most buildings in this market were built in 2000 and are Class A.