CBRE NI’s latest Belfast Office Market Report provides a comprehensive overview of market performance in the first half of 2025.

Key insights include:

• Belfast recorded f 148,931 sq ft of office take-up across 20 deals, marking a 6.7% increase from H1 2025.
• Whilst deal count has dropped since 2024 it should be noted that average deal size increased from 5,353 sq ft in 2024 to 7,036 in 2025, an increase of 31%.
• Highlights for the second half of the year included Grant Thornton leasing 23,000 sq ft at The Ewart to bring this award-winning building to 95% leased with only one floor remaining and StormHarvestor leasing just under 10,000 sq ft at 10 Mays Meadow.
• There was 1,097,090 sq ft of accommodation available at the end of H2 2025 – a decrease of 6% on the H1 2025 level of supply.
• Prime headline rents, at the end of H2 2025, for best-in-class Grade A stood at £26.50 per sq ft per sq ft. This is an increase of 4% on the year end 2024 rent. Average rents for refurbished properties remain in the region of £18.00 to £22.00 per sq ft.