Autumn Budget 2026: where the money moves for the built environment

The rest of this piece explains why each of these matters to deal economics.

Affordable housing: earlier land receipts, better cash flow

The most valuable change for developers and landowners is about cash flow. From 1 April 2027, land sold to registered providers of social housing will be zero-rated for VAT at any stage. That ends the “golden brick”, under which developers have funded construction to slab level, and carried the risk, simply to secure the VAT treatment before the land could be transferred.

Land receipts arrive earlier, less development finance is tied up and registered providers can draw grant sooner. Confirm early that your registered provider counterparty will qualify, because the definition is expected to be narrow. Any agreement built around golden brick sequencing may require re-appraisal after the draft legislation is published in early 2027.

An extra £1.5 billion for social and affordable housing adds to the pull: registered providers will compete for deliverable schemes, and developers with sites ready to go hold the stronger hand.

The £4.7 billion Your First Home scheme, aimed at around 70,000 households, will help housebuilders sell from April 2027, but it does nothing for build costs, contractor capacity or skills shortages.

Small brownfield sites: back on the table

Sites that were written off may now work. Residential development on brownfield sites of up to 1.5 hectares in England will be exempt from biodiversity net gain, going well beyond the 0.2-hectare exemption already planned. On small urban schemes, the cost and delay of off-site credits have often been enough to stop a scheme.

Landowners and promoters should re-run appraisals now. The start date and detailed scope are still to be confirmed, and the exemption covers residential schemes only, not mixed-use or commercial. Local plan biodiversity policies still apply, so the advantage goes to those who secure their place in the planning queue first.

Devolution: follow the authorities that can assemble the capital

Brownfield relief makes individual sites work. Devolution decides where whole regeneration packages get assembled. Mayoral authorities will retain a share of business rates from April 2027, and the Budget takes forward a first wave of nine business rates retention zones intended to unlock commercial development in places such as Stratford, Derby and Selby. It confirms £165 million in 2027-28 for Good Growth Funds and a bespoke £1.5 billion borrowing facility for mayoral strategic authorities, which will not be operational until 2028.

The authorities that can combine land, retained rates, local borrowing and institutional capital will have scope to fund the gap that stalled schemes need.

Infrastructure and power: the grid connection decides what gets built

For data centres, logistics and energy-hungry industrial space, the constraint is no longer land. It is power. The new Data Centre Covenant offers strategically important projects that meet its tests help to secure grid connections before 2030 and, in exceptional cases, temporary on-site generation until a connection is available. The criteria are still to come, but projects serving security, local benefit and efficient use of water and energy will move up the grid queue.

The high street: stronger tenants, closer scrutiny of empty units

Landlords of smaller retail, hospitality and leisure units may benefit from a stronger tenant base. From 1 April 2027, qualifying properties in England with a rateable value up to £18,000 (previously £12,000) pay no business rates, with relief tapering to £21,000. Bill increases are capped at CPI for 2027/28 and 2028/29. That cash should show up in rental bids, rent reviews and covenant assessments. The counterweight is a general anti-avoidance rule for business rates, to follow consultation, which will target empty rates strategies, alongside a £10 million fund allowing local authorities to apply for grants from November 2026 to accelerate the use of High Street Rental Auctions of empty premises in England.

Capital and ownership: who will own UK real estate

If the measures above decide what gets built and where, the next four reshape who owns the finished stock, and at what cost.

• Private landlords face a squeeze, and that creates a buying opportunity. From 6 April 2027, property income tax rates for individuals rise to 24%, 44% and 49%. Expect more private stock to come to market for build-to-rent and institutional buyers. In addition, alongside the budget documents it was confirmed the High Value Council Tax Surcharge (Mansion Tax’) to be introduced on 1 April 2028 for residential property worth over £1.5m will be doubled for empty properties.
• Sovereign capital will cost more. From 1 January 2029, UK property income and gains become taxable for sovereign investors, softened by a 15% REIT route. Sovereign wealth funds are among the largest providers of patient capital for regeneration, so there is a possibility that project may be re-priced before then.
• Group reorganisations carry new SDLT risk. Winding up the vendor no longer prevents clawback where the purchaser leaves the group within three years.
• The timing of capital spend now drives the relief. The first-year allowance rises from 40% to 50% from 1 January 2027, while the writing-down allowance falls to 12% from April 2027.

The bottom line

This Budget doesn’t fix viability, but the direction of policy is clear. It favours affordable delivery, brownfield regeneration, devolved partnership, strategic infrastructure and institutional ownership.

To test what this means for a specific scheme, portfolio or land deal, contact me or your usual Burges Salmon contact. Our wider analysis is on the Autumn Budget 2026 hub, and our construction and infrastructure team’s Labour Conference 2026 briefing sets out the policy background.