The pace at which available storage units are rented over a period. High absorption shows strong demand.
Useful terms
Access Control System
Security systems regulating entry, e.g. keypad, card, mobile app. Often linked to CCTV.
Ancillary Revenue
Income from non-rent items like packing materials, insurance, or admin fees.
Appraisal / Valuation
Formal estimate of asset value, typically based on NOI and yield.
Asset Management
Oversight of financial and operational performance of a property asset.
Brownfield Site
Previously developed land suitable for redevelopment into storage.
Build-Out
Conversion of raw space into lettable units, incl. partitions and compliance.
CapEx (Capital Expenditure)
Upfront development/acquisition costs (land, build, tech).
Catchment Area
The local area (10–15 min drive) from which customers are drawn.
Climate-Controlled Storage
Units with regulated temperature/humidity for sensitive items.
Commercial Agent
Property agent brokering land or asset deals for storage.
Conversion
Adapting existing buildings (retail, industrial) into storage facilities.
Due Diligence (DD)
Verification of financial, legal, and operational assumptions before investment.
Dynamic Pricing
Real-time rate adjustments based on demand, occupancy, and competitor prices.
EBITDA
Earnings before interest, taxes, depreciation, and amortisation; proxy for cash flow.
Feasibility Study
Analysis of demand, planning, costs, and returns to determine project viability.
Fit-Out
Interior works to prepare facility for operation, incl. units, signage, IT systems.
Franchise Model
Operating under an established brand in exchange for fees/royalties.
Gross Floor Area (GFA)
Total area of building before deducting partitions or unusable space.
Gross Lettable Area (GLA)
Portion of building that can generate rental income.
Gross Internal Area (GIA)
Measurement standard for property valuations; includes internal walls.
Insurance Sales
Ancillary revenue from insuring customer goods.
IRR (Internal Rate of Return)
Financial metric measuring project profitability over time.
Joint Venture (JV)
Shared ownership structure between investor and operator or developer.
KPI (Key Performance Indicator)
Metrics such as occupancy, RevPAF, NOI.
Land Bank
Portfolio of undeveloped land held for future development.
Lease-Up Period
Time taken to reach stabilised occupancy (80–90%).
Loan-to-Value (LTV)
Ratio of debt to asset value in financing.
Management Agreement
Contract where operator manages asset for a fee and incentives.
Marketing Channels
SEO, PPC, local search, referrals, aggregators driving demand.
Mixed-Use Development
Combining storage with retail/office/residential uses.
Net Operating Income (NOI)
Revenue minus operating expenses, before debt/tax.
Non-Disclosure Agreement (NDA)
Legal contract safeguarding confidential information in transactions.
Occupancy Rate
% of units let out; a core performance metric.
Operating Expenses (OpEx)
Day-to-day running costs (staff, utilities, marketing).
Planning Permission (Use Class B8)
Authorisation to use land/buildings for storage.
PMS (Property Management System)
Software managing reservations, billing, occupancy.
Pricing Optimisation
Systematic adjustment of rates to maximise NOI.
Promotional Discounts
Short-term offers to stimulate move-ins during lease-up.
Refinancing
Replacing construction loans with long-term debt post-stabilisation.
RevPAF (Revenue Per Available Foot)
Revenue ÷ total lettable area; a profitability metric.
Risk Mitigation
Processes to reduce development or operational risks.
Security Audit
Systematic review of facility security measures.
Self-Storage Association (SSA UK)
Industry body providing research, standards, and advocacy.
SPV (Special Purpose Vehicle)
Legal entity for holding a specific property investment.
Stabilisation
Point where occupancy and NOI are consistent.
Supply Ratio
Sqft of storage per capita in a catchment area.
Turnover (Churn)
Rate at which tenants vacate units.
Valuation Yield
Capitalisation rate applied to NOI to determine value.
Value Engineering (VE)
Optimising design/specifications to control costs without reducing performance.
Variable Costs
Costs changing with occupancy (utilities, consumables).
Wayfinding
Signage and navigation aids improving customer experience onsite.
Yield on Cost (YOC)
Stabilised NOI ÷ total development cost.