Property development

Decide who the property is for before you decide what to build

Planning to sell or retain a development? Understand how the intended buyer, letting strategy and completion requirements should inform the design brief.

An extra room can look valuable on a floor plan. If it compromises the layout your buyer wants, it may be the wrong addition.

Developers need a clear view of the intended outcome: sale, retention for letting, or another agreed strategy. That decision should inform the design brief before the scheme becomes expensive to change.

Give the brief a real customer

“Maximise value” is too vague to guide a layout.

Discuss the intended buyer or occupier with a suitably experienced local agent. Examine comparable properties, their condition and the evidence of demand. Test assumptions about bedroom numbers, storage, outdoor space and usable living areas.

The architect can then assess how those priorities fit the site, its constraints and the budget. More floor area can bring additional construction costs and compromises elsewhere. Its commercial contribution needs assessing rather than assuming.

Coordinate the finish with the strategy

A rental property may place particular importance on durable finishes, maintenance access and ease of replacement. A property for sale still needs those fundamentals, alongside a specification appropriate to the buyer and location.

Avoid an upgrade simply because it photographs well. Ask what it contributes to use, performance and the intended market. Obtain evidence before expecting a premium in the selling price.

Decisions made during technical design can also affect whether later maintenance is straightforward or disruptive. Allowing access to equipment and coordinating service routes belongs in the design process.

Plan beyond the last day of building work

Physical completion and receiving the final sales proceeds are different milestones.

Ask your solicitor, agent, contractor and other advisers which documentation, approvals and checks are required for the intended transaction. Establish who will provide each item and when. Allow for marketing, legal work and any outstanding completion matters in the programme.

If borrowing is involved, your finance adviser should check how this sequence relates to the loan term and repayment obligations. Do not assume a loan extension or replacement facility will be available.

Treat a fallback plan as something to test

“We can always rent it out” needs evidence. The rental demand, operating costs, financing terms and any relevant legal or planning requirements may differ from those of the original sales plan.

Likewise, a proposed refinance needs assessing against the lender's requirements and the circumstances at the time. It is not guaranteed by the existence of a completed building.

Discuss alternatives early with the appropriate advisers. If an alternative use would require material design changes, understanding that before construction is valuable.

At Horizon Architecture, we help translate the agreed development brief into an architectural design. Keeping the intended occupier and project constraints visible gives the wider team a clearer scheme to assess.

Send Horizon your site details and intended sale or letting strategy to discuss how they should inform the architectural brief.

General information only. Obtain independent valuation, lending, legal and tax advice for your project. Horizon does not guarantee sale prices, rental income or refinancing.

Discuss architectural feasibility

Plan your budget

How much could your project cost?

Use our free construction cost calculator to check a rough estimate of how much your extension, loft conversion, refurbishment or new-build project could cost. It is an early budgeting guide rather than a contractor quotation.

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