UK housebuilders are increasingly focusing on larger homes to maintain sales performance in a tightening housing market, according to the latest analysis from Hometrack.
The report suggests that many housebuilders are targeting a “product vacuum” for 4-bedroom homes in an effort to protect margins, but warns this approach risks reducing delivery of more affordable, mainstream housing stock.
It highlights growing regional divergence in demand, supply dynamics and affordability, which are reshaping where and what is being built across the UK.
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The analysis identifies inventory levels as a key driver of sales performance, with total market supply directly influencing sales velocity.
Northern regions are currently outperforming, supported by a 2% contraction in annual housing supply.
In contrast, southern markets are experiencing slower activity, with a 10% to 12% rise in resale listings creating stronger competition for new-build developments.
This is leaving lower-priced new homes at a disadvantage against existing stock in several southern locations.
Larger homes and affordability gap influencing sales strategy
The report also highlights a shift towards higher-value housing products in stronger-performing areas.
Developers focusing on 4-bedroom homes for wealthier local buyers are seeing stronger sales rates, particularly where these properties account for more than 42% of the new-build mix.
In more affordable northern markets, average new-build prices of £290,000–£340,000 are accessible to around 22% to 25% of the local population.
This compares with significantly lower affordability in the South East and East of England, where only around 11% of residents can typically afford similar homes.
While the focus on larger homes is supporting short-term sales resilience, the report warns it could lead to longer-term supply imbalances.
It suggests that continued reliance on a narrower, more affluent buyer base may increase the risk of oversupply in the larger homes segment if demand softens.
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The analysis also notes that current market conditions are not supporting the level of mainstream housing delivery required to meet government housing targets, with smaller homes remaining underrepresented in many areas.
Data-led approach increasingly central to development strategy
Ross Allan, Managing Director of Data Services at Hometrack, said: “As the market continues to challenge developer margins, a broad-brush national strategy is no longer viable. Success in today’s landscape requires housebuilders to interrogate hyper-local data, uncovering precise pockets of demand to ensure their developments perfectly match what local buyers are actually able to purchase.”
Darryl Stewart, Head of Commercial Services at NHBC, added: “In challenging market conditions, data is a vital tool for house builders. Interrogating regional trends and identifying opportunities to maximise sales is invaluable for commercial planning. Hometrack’s latest analysis of the new build market is very helpful in building a broader picture of the sector.”
