Marketing a New Build Development in London: The Launch Playbook

Launching a new build development in London is one of the most complex marketing programmes any property firm runs. The investment runs to hundreds of thousands of pounds. The timeline spans 12 to 24 months from first marketing activity through to completion of sales. The audience is sophisticated and has access to multiple competing developments. The cost of getting the launch wrong is significant: every unsold unit at completion is a financial drag that reverberates through the developer's cashflow for years.

This post is the practical playbook for marketing a new build London development from pre-launch through to sold-out completion.

The cycle, in phases

A new build development typically moves through five marketing phases.

Pre-launch (months minus 18 to minus 12). The site is acquired or planning is approved. The building has not started. The marketing team's job is to build awareness with potential buyers and registered interest with prospects.

Launch (months minus 12 to minus 6). The marketing suite opens. Off-plan sales begin. The first buyers reserve. The pace of activity intensifies.

Mid-cycle (months minus 6 to plus 6). Construction is visibly progressing. Sales continue at a pace that needs to keep up with the build. The marketing programme produces consistent enquiries.

Completion (months 0 to plus 6). The building completes. Show flats become real homes. Buyers move in. The marketing pivots to selling the remaining stock at potentially different prices and terms.

Run-off (months plus 6 to plus 18). The remaining unsold units are marketed against an increasingly visible context (occupied building, working amenities). The pricing strategy may shift. The buyer profile may change.

Each phase has its own marketing priorities, channels, and creative requirements.

Pre-launch: building the audience

The single biggest opportunity for a new build development is the pre-launch audience. By the time the marketing suite opens, you should have a database of 1,500 to 5,000 registered prospects who have expressed interest in the development.

The mechanics that work:

A teaser landing page with the development name (or a working name), the location, the indicative price range, the key dates, and a register-interest form. Run as soon as planning is approved or land is acquired publicly.

A small Meta Ads programme targeting the relevant London catchment plus international markets where appropriate (Hong Kong, Singapore, the Gulf, Mainland China through agency partners). Soft awareness creative, not direct response.

PR work. The Property Week, Estates Gazette, EG Resi, and Property Investor News are the trade press that matter. Lifestyle press (Evening Standard Homes & Property, FT How To Spend It, Country Life for higher-end developments) covers schemes with strong stories. Aim for 3 to 6 pieces of pre-launch coverage.

Email nurture for the registered prospects. Monthly updates on planning progress, design reveals, neighbourhood content, indicative pricing. Builds anticipation across the 6 to 12 month window before the marketing suite opens.

Done well, this phase produces a warm audience that converts at significantly higher rates than cold acquisition during launch.

Launch: marketing suite and first reservations

The marketing suite opens. The website launches with full property data, floor plans, and the reservation flow. The first reservations are taken.

The marketing programme intensifies:

Paid media scales up. Meta Ads spend increases. Google Ads campaigns activate. Programmatic display targeting the registered audience and lookalikes runs at higher volume.

Press coverage intensifies. The launch announcement, the sales gallery opening, the first show home reveal, individual unit sales of architectural significance. Each becomes a press moment.

Agent partnerships activate. Local agents in the postcode are briefed on the development. Buyer introductions begin. Agent commissions are typically 1.5 to 3 percent of sale price for new build, with variations.

International launch events. For prime developments, a circuit of Hong Kong, Singapore, Dubai, and Shanghai sales events drives international demand. Each event runs across 3 to 5 days with local agent partnerships.

Open weekends and viewing events. The marketing suite runs structured viewing weekends every 4 to 6 weeks. The events generate sales velocity and create urgency.

The launch phase is where the cost per reservation is at its highest. Buyers are committing to off-plan with 18+ months to completion. The marketing has to overcome significant uncertainty.

The marketing suite itself

The marketing suite is the most expensive marketing asset on most developments. £200,000 to £2 million depending on scale and quality. It needs to do specific work.

What the suite has to communicate: the location and how it will feel to live there, the building's architectural intent and quality, the specification of the apartments, the amenity package, the price point relative to value.

What the suite has to enable: comfortable viewing for individual buyers and for groups, a path through the buyer journey from interest to reservation, the sales team's day-to-day operation, marketing photography and video shoots.

The suite is also a content asset. A well-built show home produces months of marketing material: walk-through video, photography, drone footage of the model with the surrounding context, reaction shots from prospective buyers, sales team explainers.

Sales velocity and pricing

The single biggest decision through the launch phase is how to manage pricing and sales velocity.

The default is to release units in stages with prices rising at each release. Early buyers get a discount versus completion-stage buyers. The pricing escalator creates urgency and rewards the buyers who commit early.

The risk is releasing too aggressively. A development that sells 80 percent of units in the first 6 months looks healthy but loses pricing power for the remaining 20 percent. A development that sells too slowly loses momentum and ends up running campaigns at completion to clear stock at margin-eroding incentives.

The right pace depends on the development, the catchment, and the broader market. A typical target for a 100-200 unit central London development is 60 to 75 percent sold off-plan by completion, with the remaining 25 to 40 percent sold in the 12 months after.

Content beyond the sales pitch

Developments that win build content beyond the sales materials. The buyer is committing significant capital to a building that does not yet exist. They need to be reassured that the developer cares about the building beyond the transaction.

Content that earns trust:

The architect's voice. Interviews with the design team about the thinking behind the scheme. Most developers under-use their architects in marketing.

The construction story. Behind the scenes from site, milestones (steelwork complete, building topped out, first apartment fitted out), interviews with the construction team. Buyers love seeing the building come together.

The neighbourhood context. Deep dives on the area, the local businesses, the parks, the schools, the transport. Particularly valuable for buyers unfamiliar with the postcode.

The lifestyle. What it will feel like to live in the building, with the amenity package activated, the residents in the lobby, the routine of the building.

This content runs alongside the sales materials. It shifts the buyer relationship from transaction to belonging.

What kills launches

Common failure patterns:

Marketing suite that does not match the building's price point. Too cheap, the buyers do not believe the proposition. Too expensive for the price segment, the budget is wasted.

Pricing that is wrong for the market. The default mistake is overpricing at launch and discounting at completion. The right strategy is honest pricing at launch with a steady escalator.

Press coverage that comes too late. Pre-launch and launch press has to land before buyers are deciding. Coverage during the run-off phase is too late to influence the early reservations.

Agent partnerships that are weak. Local agents drive buyer introductions for many developments. Treating agents as transactional rather than as partners produces inferior introductions.

International marketing without local expertise. Each international market has specific agent networks, press, and event circuits. Trying to run Hong Kong or Dubai marketing without a local partner consistently underperforms.

If you would like help running a development launch programme, Byter's property and real estate marketing service supports London developers on integrated marketing through the full launch and sell-down cycle.