Junior Development Manager

About Us

Storebox is a growing self-storage operator with a portfolio of 29 indoor and outdoor facilities across the UK. We are expanding our footprint through new site acquisitions, ground-up developments, and repurposing of existing buildings. As part of our continued growth, we're looking for a Junior Development Manager to join our development team and support the delivery of sites from initial appraisal through to opening.

The Role

Working closely with and reporting to the Development Manager, you will support the identification, appraisal, and delivery of self-storage development opportunities. This is a great opportunity for someone early in their property or development career to gain hands-on exposure of the full development lifecycle within a fast-moving, commercially focused sector.

Key Responsibilities

•    Support site identification and sourcing, including researching target catchment areas and maintaining a pipeline of potential opportunities

•     Help prepare planning applications and liaise with planning consultants, architects, and local authorities

•     Support the Development Manager in managing the design process with architects and engineers, ensuring schemes meet operational and brand requirements

•     Assist in managing the tendering process and coordinating with contractors, quantity surveyors, and project managers during construction

•     Track project budgets, timelines, and key milestones, flagging risks or delays

•     Prepare reports, presentations, and investment papers for internal stakeholders and board approval

•     Conduct due diligence on prospective acquisitions (title, planning history, ground conditions, etc.)

•     Build and maintain relationships with agents, landowners, planning consultants, and local authorities

•     Attend site visits, design meetings, and project review meetings

•     Carry out general administrative and coordination tasks to support the wider development team

•     1–3 years' experience in property development, real estate, planning, construction, or a related field (graduates with relevant placement/internship experience will also be considered)

•     Degree in a relevant discipline such as Real Estate, Property Development, Planning, Surveying, Construction Management, or similar (or equivalent experience)

•     Strong numerical and analytical skills, with confidence in financial modelling and appraisals (Excel proficiency essential)

•     Good understanding of, or strong interest in, the UK planning system and development process

•     Excellent communication and stakeholder management skills

•     Highly organised, with the ability to manage multiple projects and priorities simultaneously

•     A proactive, hands-on approach with a willingness to learn

•     Full UK driving license, with willingness to travel to sites in the UK and Ireland using personal vehicle as required – costs will be reimbursed at 55p per mile for the first 10,000 miles and 25p thereafter

•     Interest in or experience within the self-storage, logistics, or wider real estate sectors is a plus

What's in it for you?

A Chance to be at the heart of one of UK & IE's fast-growing entrepreneurial business and have exposure to a team of seasoned entrepreneurs. You'll play a key role in Spectrum Storage Groups growth, with the opportunity to see how your work directly contributes to our success and multiple options for grown and development.

•    Competitive salary of £32,000 - £38,000 dependent on experience

•     Structured mentorship from an experienced Development Manager

•     Genuine exposure to the full development lifecycle — sourcing, appraisal, planning, design, and delivery

•     Career progression pathway within a growing company

•     Employer Pension Contribution of 5%

•     Private healthcare

•     Car allowance of £3,600 after probation period

•     Staff discounts on our service and access to Perks at Work programs

•     Summer, winter, alumni events, and social parties throughout the year

•     25 days holiday

•     Supportive, collaborative team culture

We look forwards to receiving your application!