Retail

A Guide to Retail Zoning and ITZA

February 27, 2025

Retail zoning is essential for commercial real estate valuation, dividing spaces into zones with decreasing value moving away from the storefront. In the UK, ITZA (In Terms of Zone A) standardises retail property comparisons by converting entire store areas into equivalent prime Zone A space - enabling fair, consistent benchmarking across the market.

Retail Zones Explained

Zones are established in 6.1-metre (20-foot) increments moving from front to back. Zone A sits nearest the shopfront - the highest-traffic area with the greatest commercial value. Zone B and Zone C follow sequentially toward the rear, with The Remainder comprising anything behind Zone C. Each zone commands a lower rental rate than the one preceding it.

Understanding the Zone A Rate

Zone A commands premium value due to highest foot traffic and customer attraction potential. The Zone A rate acts as a benchmark, represented by the cost per square foot - determined by location desirability, traffic volume, and prevailing market demand. All other zones are valued as a percentage of this rate.

A Tiered Approach to Retail Zoning and Rates

Zone B is typically valued at 50% of the Zone A rate; Zone C at 25%. This structure enables fair negotiations between owners and tenants based on objective measures rather than assumptions. The tiered model rewards premium placement and gives operators a transparent framework for evaluating lease terms across different parts of the same property.

Calculating Retail Rents Using Zoning

Each zone's area is measured and multiplied by its applicable rate, then the results are summed to arrive at total rental cost. This calculation provides a consistent basis for comparison across properties of different shapes and sizes - essential for portfolio benchmarking and acquisition analysis.

Reinforcing Zoning and ITZA Calculations with Technology

Advanced analytics using computer vision reveal actual customer behaviour patterns across every zone - not just assumed patterns based on proximity to the entrance. Real footfall data, dwell time by zone, and path analysis enable more accurate zoning valuations and stronger negotiations for both landlords and tenants.