In and around Castlereagh, there are currently 8 storage providers with 9 facilities and 54 unique storage unit types.
| Storage unit type | Size | Average monthly price (city) | Average monthly price (country) | Difference (£) | Difference (%) |
|---|---|---|---|---|---|
| Locker | 0–25 ft² | £ 57.11 | £ 77.60 | £ 20.49 | 35.9% |
| Small | 25–50 ft² | £ 114.63 | £ 121.59 | £ 6.97 | 6.1% |
| Medium | 50–100 ft² | £ 178.99 | £ 193.81 | £ 14.82 | 8.3% |
| Large | 100+ ft² | £ 342.32 | £ 317.46 | £ 24.86 | 7.3% |
For locker units (0–25 ft²), the average monthly price is £ 57.11, or £ 20.49 cheaper versus the national rate (35.9%). Comparing this on a ft² basis, locker units are £ 3.94 per ft², which is £ 1.35 cheaper versus the country average.
The average monthly price for a small unit (25–50 ft²) is £ 114.63, which is £ 6.97 cheaper than the national average (6.1%). When looking on a price per ft² basis, this equals £ 3.13 per ft², which is £ 0.07 cheaper than the national average.
A medium-sized unit (50–100 ft²) costs around £ 178.99, that's £ 14.82 cheaper compared to the national average (8.3%). On a ft² basis, medium-sized units in Castlereagh are £ 2.19 per ft², which is £ 0.11 cheaper than on a country-level.
For large units (100+ ft²), the average monthly price is £ 342.32, or £ 24.86 more expensive versus the national rate (7.3%). Comparing this on a ft² basis, large-sized units are £ 1.38 per ft², which is £ 0.28 cheaper versus the country average.
The cheapest storage unit in Castlereagh and the surrounding area is already available for rent from £ 36.00. This unit has an approximate size of 11.00 ft² and 21.00 ft³ and is offered by U Store It. The second cheapest unit in Castlereagh and the surrounding area is for rent at a price of £ 43.20. This unit has an approximate size of 11.00 ft² and 21.00 ft³ and is offered by U Store It.
| Storage provider | City | Address | Zip code | Size |
Price/Month
Some storage providers quote prices on a daily, weekly, or 4-weekly basis instead of monthly basis. The prices shown are the prices recalculated on a monthly basis.
| |
|---|---|---|---|---|---|---|
| U Store It | Belfast | 1 Blackstaff Way | BT11 9DT | 10.24 ft² | £36.00 / Month | View facility |
| U Store It | Belfast | 1 Blackstaff Way | BT11 9DT | 15.04 ft² | £43.20 / Month | View facility |
| U Store It | Belfast | 102 Duncrue Street | BT3 9AR | 16.00 ft² | £44.40 / Month | View facility |
| Big City Self Storage | Belfast | 19-21 Balmoral Road | BT12 6QA | 10.00 ft² | £52.00 / Month | View facility |
| U Store It | Belfast | 1 Blackstaff Way | BT11 9DT | 15.75 ft² | £63.60 / Month | View facility |
| Storage provider | City | Address | Zip code | Size |
Price/Month
Some storage providers quote prices on a daily, weekly, or 4-weekly basis instead of monthly basis. The prices shown are the prices recalculated on a monthly basis.
| |
|---|---|---|---|---|---|---|
| Alpha Self Storage | Carryduff | 157 Ballynahinch Road | BT8 8DS | 28.00 ft² | £60.00 / Month | View facility |
| U Store It | Belfast | 102 Duncrue Street | BT3 9AR | 50.00 ft² | £78.00 / Month | View facility |
| U Store It | Belfast | 1 Blackstaff Way | BT11 9DT | 25.00 ft² | £84.00 / Month | View facility |
| U Store It | Belfast | 1 Blackstaff Way | BT11 9DT | 30.00 ft² | £90.00 / Month | View facility |
| Big City Self Storage | Belfast | 19-21 Balmoral Road | BT12 6QA | 25.00 ft² | £91.00 / Month | View facility |
| Storage provider | City | Address | Zip code | Size |
Price/Month
Some storage providers quote prices on a daily, weekly, or 4-weekly basis instead of monthly basis. The prices shown are the prices recalculated on a monthly basis.
| |
|---|---|---|---|---|---|---|
| Alpha Self Storage | Carryduff | 157 Ballynahinch Road | BT8 8DS | 56.00 ft² | £72.00 / Month | View facility |
| U Store It | Belfast | 102 Duncrue Street | BT3 9AR | 75.00 ft² | £82.80 / Month | View facility |
| Alpha Self Storage | Carryduff | 157 Ballynahinch Road | BT8 8DS | 80.00 ft² | £96.00 / Month | View facility |
| TITAN Containers – Self Storage | Belfast | Mckinney Rd , Mallusk | BT36 4PE | 80.00 ft² | £118.69 / Month | View facility |
| U Store It | Belfast | 1 Blackstaff Way | BT11 9DT | 75.00 ft² | £152.40 / Month | View facility |
| Storage provider | City | Address | Zip code | Size |
Price/Month
Some storage providers quote prices on a daily, weekly, or 4-weekly basis instead of monthly basis. The prices shown are the prices recalculated on a monthly basis.
| |
|---|---|---|---|---|---|---|
| Alpha Self Storage | Carryduff | 157 Ballynahinch Road | BT8 8DS | 112.00 ft² | £132.00 / Month | View facility |
| TITAN Containers – Self Storage | Belfast | Mckinney Rd , Mallusk | BT36 4PE | 160.00 ft² | £136.95 / Month | View facility |
| TITAN Containers – Self Storage | Belfast | Mckinney Rd, Mallusk, Newtownabbey | BT36 4PE | 160.00 ft² | £146.08 / Month | View facility |
| Alpha Self Storage | Carryduff | 157 Ballynahinch Road | BT8 8DS | 144.00 ft² | £156.00 / Month | View facility |
| U Store It | Belfast | 1 Blackstaff Way | BT11 9DT | 110.00 ft² | £174.00 / Month | View facility |
The surroundings of Castlereagh also offer storage rentals. Compare units in nearby areas.
Average prices in Belfast are currently £ 217.83, which is £ 0.00 cheaper compared to Castlereagh. In Newtownabbey, average prices are currently £ 226.06, which means that, on average, Newtownabbey is £ 8.23 more expensive versus Castlereagh. Units for rent in Lisburn have currently an average price of £ 217.83, which is £ 0.00 cheaper than Castlereagh.
Well-known providers operating in or near Castlereagh – U Store It, Xtra Space NI, and Big City Self Storage.







As a prominent suburb of Belfast, Castlereagh is characterised by its residential landscape, from established housing estates in areas like Cregagh to more recent developments. While many homes offer gardens and more room than city centre apartments, space is often still at a premium. Families grow, home offices become permanent fixtures, and garages fill up with more than just cars. This suburban squeeze means that attics, sheds, and spare rooms quickly reach their capacity. Finding adequate room for seasonal equipment, hobby materials, or cherished possessions becomes a significant challenge for many households in the area.
This is where renting a self storage unit provides a practical and flexible solution. For residents undergoing a home renovation or preparing to sell their property, decluttering with a temporary storage space can be invaluable. Small businesses operating from home can use a secure unit as a mini-warehouse for stock, avoiding the high costs of commercial premises. Life events, such as moving house or managing an inheritance, also create an immediate need for external storage. A storage space for rent offers a secure extension of your home, available when you need it.
Logistically, accessing facilities in and around Castlereagh is relatively straightforward. The area is well-served by major arterial routes like the Castlereagh Road and the A55 Outer Ring, connecting it to greater Belfast and beyond. Unlike the city centre, most storage facilities are located in business parks or industrial estates with ample on-site parking. This makes loading and unloading bulky items much easier. However, it is still wise to consider peak traffic times, especially if you plan to access your unit during rush hour, as key routes can become congested.
When choosing the right self storage for rent, it is important to balance cost with convenience. A facility located a short drive away offers easy access, which is ideal if you need to retrieve items frequently. Alternatively, a unit slightly further afield might present a more economical option for long-term needs. Using a comparison platform like The Storage Scanner allows you to view different providers, filtering by location, price, and features to find the most suitable storage space. This helps you make an informed decision based on your specific requirements and budget.
The current average monthly rental price for a storage unit in Castlereagh and its surroundings is £ 217.83. Compared to the national average of £ 218.88 (0.5%), this means renting in Castlereagh is £ 1.05 cheaper. Looking at costs per ft², the average in Castlereagh is £ 2.31 / ft², while the national benchmark stands at £ 2.63 / ft². Put differently, on a per-ft² basis, Castlereagh is £ 0.31 cheaper compared to the country average (13.5%).
In and around Castlereagh, there are currently 8 storage providers operating a total of 9 facilities. The largest providers are U Store It, Xtra Space NI, Big City Self Storage.
In Castlereagh and the surrounding area, the most affordable storage unit starts from just £ 36.00 per month. This unit offers approximately 11.00 ft² and 21.00 ft³ and is available from U Store It.
The average rental price in Belfast is currently £ 217.83 per month, which is £ 0.00 cheaper compared to Castlereagh.
In Newtownabbey, prices average £ 226.06 per month, making them £ 8.23 more expensive relative to Castlereagh.
For Lisburn, the average unit price is £ 217.83 per month, which is £ 0.00 cheaper than in Castlereagh.
| Storage provider | Address | City | Zip code | Distance (City center Castlereagh) | Prices starting from | |
|---|---|---|---|---|---|---|
| Xtra Space NI | Xtra Space NI - 3 Alexander Road — Belfast3 Alexander Road | Belfast | BT6 9HP | 0.9 miles | On request | View facility |
| TITAN Containers – Self Storage | TITAN Containers – Self Storage - Mckinney Rd , Mallusk — BelfastMckinney Rd , Mallusk | Belfast | BT36 4PE | 3.9 miles | £ 118.69 / Month | View facility |
| TITAN Containers – Self Storage | TITAN Containers – Self Storage - Mckinney Rd, Mallusk, Newtownabbey — BelfastMckinney Rd, Mallusk, Newtownabbey | Belfast | BT36 4PE | 3.9 miles | £ 146.08 / Month | View facility |
| GoBox Self Storage | GoBox Self Storage - Pickup and Delivery - BelfastPickup and Delivery | Belfast | — | 3.9 miles | On request | View facility |
| Hanwood Storage | Hanwood Storage - 54 Ballyhanwood Road — Belfast54 Ballyhanwood Road | Belfast | BT5 7SN | 4.2 miles | On request | View facility |
| Big City Self Storage | Big City Self Storage - 19-21 Balmoral Road — Belfast19-21 Balmoral Road | Belfast | BT12 6QA | 5 miles | £ 52.00 / Month | View facility |
| U Store It | U Store It - 102 Duncrue Street — Belfast102 Duncrue Street | Belfast | BT3 9AR | 5.7 miles | £ 44.40 / Month | View facility |
| U Store It | U Store It - 1 Blackstaff Way — Belfast1 Blackstaff Way | Belfast | BT11 9DT | 5.8 miles | £ 36.00 / Month | View facility |
| Alpha Self Storage | Alpha Self Storage - 157 Ballynahinch Road — Carryduff157 Ballynahinch Road | Carryduff | BT8 8DS | 8.3 miles | £ 60.00 / Month | View facility |
Last updated: Wednesday 18 March
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