Thinking / Strategy guide
Conversions & change of use.
Conversions can unlock value by changing the physical, legal or occupational form of a property. The strategy only works when planning, building regulations, fire, services, title, works and the end market are coordinated from the beginning.
In this article
- Change the use only when the market rewards it
- Source the building, then test the scheme
- Planning is only one part of deliverability
- A conversion is more than a refurbishment
- Appraise the whole scheme, not just the building
- See how the GDV cap changes the purchase funding
- Consent . Design . Build . Exit
- Common conversion failure points
- From existing use to executable scheme
This guide explains how to identify conversion opportunities, test the consent route, design a marketable scheme, prepare a costed scope, structure finance, manage delivery and choose between unit sales, refinance and long-term hold.
Estimated reading time: approximately 9 minutes. Educational content only; obtain independent planning, legal, valuation, building, tax and finance advice.
The new use must be lawful.
Planning, prior approval, building control, licensing and superior-title requirements define what can actually be delivered.
The design must be buildable.
Structure, fire, acoustics, ventilation, daylight, access and services must work together within the existing building.
The exit must shape the scheme.
Unit mix, title, specification and services should be designed around the intended buyer, tenant and lender.
Change the use only when the market rewards it.
A conversion creates value by changing the way a property can be occupied, sold or financed. Examples include splitting a house into flats, converting offices to residential, creating mixed-use accommodation, bringing vacant upper parts into use or reconfiguring a large unit into several smaller units.
The value is created by the complete scheme, not by the planning description alone. The investor must prove that the proposed use is lawful, physically deliverable, financeable and supported by real sales or rental demand.
Planning consent does not guarantee that the design will meet building regulations, fire strategy, lender criteria or market expectations. Equally, a layout that can be built may not produce units large enough, light enough or well located enough to support the forecast value.
The strongest schemes align planning, design, construction, title and exit from the start. They have a clear target user, realistic unit sizes, sufficient services, coordinated professional advice and a cost plan that includes contingency. The weakest acquire first and discover later that access, daylight, structure, drainage or title prevents the intended outcome.
The investor should also compare conversion with alternative strategies. Refurbishing the existing use, reletting commercially, selling with planning or reducing the unit count may produce a better risk-adjusted return than delivering the maximum possible number of units.
Value-add investors.
Buyers able to coordinate planning, design, construction and finance before relying on future value.
Developers.
Operators with professional teams, contractor control and experience managing consent and delivery risk.
Long-term landlords.
Investors creating several income-producing units with compliant titles, tenancies and services.
Source the building, then test the scheme.
Conversion opportunities may arise from large houses, redundant offices, vacant upper parts, former care or institutional buildings, mixed-use assets, part-complete developments and properties where the existing use no longer reflects local demand.
Before offering, establish the lawful existing use and obtain the planning history, floorplans, surveys, title, leases, building-control records, EPC, asbestos information, fire records and service details. Do not assume the current physical use is lawful merely because it has existed for some time.
Prepare an initial feasibility layout before fixing the price. The layout should test unit sizes, circulation, daylight, windows, refuse, cycle storage, access, parking, amenity, structure, services and fire separation. A high-level unit count without these constraints is not a development appraisal.
The end market should be inspected directly. Compare completed units of similar size, tenure, floor level, condition and location. For rental exits, evidence rent, voids, management and lender acceptance. For unit sales, allow for sales absorption and avoid assuming every unit achieves the strongest comparable.
Existing asset.
Lawful use, title, condition, occupation, services and current value are verified.
Proposed scheme.
Consent route, unit mix, buildability, cost, programme and professional requirements are defined.
End market.
Buyer, tenant and lender demand support the proposed unit sizes, titles and specification.
Planning is only one part of deliverability.
Planning position.
Confirm existing lawful use, permitted-development rights, Article 4 restrictions, prior approval and full-planning requirements.
Building regulations.
Coordinate structure, fire, acoustics, ventilation, energy, drainage, accessibility and means of escape.
Title & consents.
Review restrictive covenants, superior leases, lender consent, rights, access and ability to create separate titles.
Services.
Assess capacity and separation of electricity, water, drainage, heating, broadband, meters and plant.
Space & amenity.
Test unit sizes, daylight, outlook, storage, refuse, cycle, parking and private or communal amenity.
Professional team.
Coordinate architect, planning consultant, structural engineer, fire consultant, building-control adviser, QS and solicitor.
Permitted development can reduce planning risk but does not remove prior-approval conditions, building regulations, title restrictions or lender requirements. Where full planning is required, the investor should allow for consultation, conditions, Section 106, CIL and the risk of design changes.
The design should be frozen sufficiently before construction begins. Late changes to structure, fire or services can cause disproportionate cost and delay because they affect several trades and approvals at once.
A conversion is more than a refurbishment.
Conversion works frequently involve structural alteration, new drainage, service separation, fire compartmentation, acoustic upgrades, ventilation, insulation, windows, common parts and external works. The cost plan should therefore be prepared from a coordinated design rather than a room-by-room cosmetic estimate.
Use a quantity surveyor where the scope and contract justify it. The cost plan should identify construction, preliminaries, professional fees, statutory fees, utilities, contingency, VAT and risk allowances. Existing-building uncertainty should be reflected through surveys, opening-up and a realistic contingency.
The construction contract should define design responsibility, programme, payment, variations, retention, defects, insurance and completion evidence. Where finance is drawn in arrears, the investor must maintain enough liquidity to bridge contractor payments and lender inspections.
The project file should be built as work progresses. Planning discharge, building-control inspections, fire information, warranties, test certificates, as-built drawings, lease plans and title information are all part of the eventual sale or refinance, not administrative tasks to begin at the end.
Appraise the whole scheme, not just the building.
The appraisal should include acquisition, SDLT, VAT advice, planning, surveys, design, statutory fees, professional costs, construction, utilities, contingency, finance, holding, title creation, letting or sales and exit costs.
Value each completed unit separately using appropriate completed evidence, then allow for sales or refinance costs at unit level. Aggregate unit value is not automatically available if titles, services, leases or lender criteria prevent separate disposal.
For a hold exit, model the end lender’s treatment of unit sizes, title structure, tenancy, rental coverage and completed certificates. For sale, model absorption time and a range of achieved prices rather than assuming all units complete simultaneously at the best comparable.
Stress the scheme for planning delay, lower unit values, higher build cost, slower sales or lettings and additional finance. The investor should identify the maximum purchase price and minimum completed value at which the scheme still meets the required return.
See how the GDV cap changes the purchase funding.
The figures below illustrate the stated funding assumptions and are not a current lender quotation. The accepted valuation basis, leverage, works eligibility, fees and release conditions must be confirmed for the specific transaction.
The project requires £625,000 for the purchase and £175,000 for conversion works. Against a £1.15 million completed value, the assumed 70% gross LTGDV cap limits the gross facility to £805,000. After retained interest and fees, the net facility is approximately £681,141.
This illustration allocates the net facility to qualifying works first. It therefore funds the full £175,000 conversion budget and applies the remaining £506,141 toward the purchase. The investor provides approximately £118,859 toward the purchase, plus stamp duty, legal, valuation, professional, contingency and other costs outside the facility.
What Finanze Capital funds.
The full £175,000 qualifying conversion budget and approximately £506,141 toward the purchase.
Why purchase is part-funded.
This illustration allocates net proceeds to works first and the gross facility is capped at 70% of the £1.15 million completed value.
What the investor contributes.
Approximately £118,859 toward the purchase, plus transaction, professional, contingency and holding costs outside the facility.
How the facility exits.
Sale of completed units or refinance after consents, works, titles and certification are complete.
Illustrative terms only. Final funding is subject to valuation, planning, legal review, borrower circumstances, works, monitoring and exit.
Consent. Design. Build. Exit.
01 / Consent.
Establish lawful use and secure the correct planning, prior-approval and superior-title route.
02 / Design.
Coordinate market demand, structure, fire, acoustics, services, title and unit standards.
03 / Procure.
Complete the cost plan, contract, professional appointments, contingency and funding schedule.
04 / Build.
Control programme, quality, variations, inspections, drawdowns and the project file.
05 / Complete.
Obtain planning discharge, building-control sign-off, warranties, certificates, titles and lease plans.
06 / Exit.
Sell or refinance using the actual completed units, values, rents and lender criteria.
Common conversion failure points.
- The proposed use is not lawful or permitted-development rights have been removed.
- Prior approval is confused with full planning or building-regulation approval.
- Unit sizes, daylight, access, fire or acoustic performance make the design unworkable.
- Services and drainage require more capacity or separation than budgeted.
- The title cannot be divided, leased or sold as assumed.
- Professional, utility and statutory costs are understated.
- The gross LTGDV cap reduces purchase funding below the requested amount.
- The exit lender will not accept the unit type, title or tenancy structure.
- Sales values assume premium units without local evidence.
- The programme leaves insufficient time for registration, sales or refinance.
A conversion should be treated as a coordinated planning, design, construction, finance and exit project, not a simple refurbishment.
Planning check.
Existing use, proposed use, consent route, conditions and restrictions are clear.
Design check.
Layout, fire, structure, services, access, light and space standards are coordinated.
Finance check.
Gross LTGDV, works-first net allocation, purchase funding, retained costs and investor contribution are reconciled.
Exit check.
Titles, certificates, values, rents, buyer demand and lender criteria support the outcome.
From existing use to executable scheme.
Finanze Strategy can help test the planning, design, works, value, funding and exit assumptions before commitment.
Where specialist acquisition or conversion finance is required, the case can be prepared for the appropriate Finanze finance business with the gross cap, works-first net allocation and investor contribution clearly shown.
Bring us your opportunity: send the current use, proposed scheme, planning position, measured plans, cost plan and intended exit. Tell us which figures are verified and which still need testing. We can then identify the next evidence needed and discuss how Finanze Strategy can help you move the opportunity forward.
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