Home Extension and Renovation News: June 2026

A quiet fortnight this is not. The latest industry data shows housebuilding at a six-year low while materials costs climb at their fastest pace since 2022, the Health and Safety Executive has started shutting down worktop fabricators over silica dust, and new research shows how stretched homeowners are when essential work lands. Here is what happened between late May and 11 June, and what each story means if you are planning an extension or renovation.

Housebuilding hits a six-year low while materials costs accelerate

The S&P Global UK Construction PMI for May fell to 38.2 from 39.7 in April, the seventeenth month of contraction in a row and the steepest downturn in six years. Housebuilding was the weakest sector of all, and nearly two-thirds of firms reported higher purchasing costs, the sharpest materials inflation since June 2022, driven by fuel surcharges, energy bills and transport costs. For a homeowner this cuts both ways: builders short of work tend to price more keenly and start sooner, but the materials portion of your quote is under real upward pressure, so a fixed-price contract is worth more than usual right now. Our extension cost guide explains what sits inside a per square metre rate. Source: Construction Enquirer.

Engineered stone crackdown: dry cutting now means instant shutdown

The Federation of Master Builders warned in early June that firms ignoring the HSE’s new ban on dry cutting engineered stone face having sites stopped on the spot, as the regulator begins an inspection drive of more than 1,000 visits to worktop fabricators. Six sites have already been issued prohibition notices. If your kitchen extension includes a quartz or engineered stone worktop, ask the fabricator to confirm they cut wet with water suppression: a supplier shut down mid-job becomes your delay. Source: PBC Today.

Two-thirds of homeowners raid savings to fund essential work

New FMB and HomeOwners Alliance research published on 8 June found 65% of homeowners are using savings or investments to pay for building work, only 24% can fund it from regular income, and a third of mortgaged owners have increased borrowing, including 14% who remortgaged and 10% who turned to credit cards. Much of the spend is essentials: electrics, plumbing, heating and structural repairs rather than nice-to-haves. The practical lesson is to cost the job properly before you commit, including VAT and fees; our extension cost calculator is a sensible first pass. Source: Mortgage Solutions.

Younger homeowners are picking builders like they shop online

A second strand of the same FMB and HomeOwners Alliance research warns that under-35s increasingly choose builders on reviews and comparison platforms alone: 33% of younger homeowners rely on online reviews against 16% of over-55s, and almost a quarter use comparison sites. Reviews are a starting point, not a vetting process. Visit a previous job, speak to a past client, check insurance, and get a written contract with staged payments before anyone breaks ground. Source: FMB.

Steel import quotas tighten from 1 July

The government’s new steel trade measure, with final details updated on 2 June, cuts tariff-free import quotas by 60% from 1 July 2026, with a 50% tariff on anything above the limit, covering products including rebar, merchant bar and hollow sections. Most extensions that knock through to the existing house need at least one steel beam, so if your project starts later this year, ask your builder whether the steel price in the quote is held and for how long. Source: GOV.UK.