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Builder / extensions: how busy are builders?

Quieter Extension waits were long (median 10 weeks, TradeMatch, to Q1 2026), but FMB's newer survey shows builders' workloads (-4) and enquiries (-10) turned negative in H1 2026.

Median wait of 10 weeks to start (TradeMatch Wait-Time Index, 21 Apr 2026).

The figures

WhereMeasureFigurePeriodSource
UKChange in number of businesses, year on year
House building businesses, year-on-year change
-7%Year to mid-2025Markel Direct via Fix Radio, 15 Jul 2025
UKBuilders' employment (net balance)
Jul-Dec 2025
+17H2 2025 (Jul-Dec)FMB/CIOB State of Trade H2 2025, 31 Mar 2026
UKBuilders' employment (net balance)-4H1 2026 (Jan-Jun)FMB/CIOB State of Trade H1 2026, 10 Nov 2026
UKBuilders' enquiries (net balance)
Jul-Dec 2025
+18H2 2025 (Jul-Dec)FMB/CIOB State of Trade H2 2025, 31 Mar 2026
UKBuilders' enquiries (net balance)-10H1 2026 (Jan-Jun)FMB/CIOB State of Trade H1 2026, 10 Nov 2026
UKBuilders reporting higher material costs
61% passed costs on to customers
75%H2 2025Construction Management, 1 Apr 2026
UKBuilders reporting higher material costs75%H1 2026FMB Scotland, 10 Nov 2026
UKMedian wait to start (weeks)
Capacity status per TradeMatch: Tight
10 weeksQ3 2025 to Q1 2026TradeMatch Wait-Time Index, 21 Apr 2026
UKSlowest 10% wait (weeks)
90th-percentile wait
16 weeksQ3 2025 to Q1 2026TradeMatch Wait-Time Index, 21 Apr 2026
UKSME builders hit by skills shortages72%H2 2025 (Jul-Dec)FMB/CIOB State of Trade H2 2025, 31 Mar 2026
UKSME builders hit by skills shortages
Earlier reading, quoted by Construction Management
61%H1 2025Construction Management, 1 Apr 2026
UKSME builders hit by skills shortages68%H1 2026 (Jan-Jun)FMB/CIOB State of Trade H1 2026, 10 Nov 2026
UKSME builders whose growth was prevented18%H1 2026 (Jan-Jun)FMB/CIOB State of Trade H1 2026, 10 Nov 2026
UKSME builders with cancelled jobs22%H2 2025 (Jul-Dec)FMB/CIOB State of Trade H2 2025, 31 Mar 2026
UKSME builders with cancelled jobs21%H1 2026 (Jan-Jun)FMB/CIOB State of Trade H1 2026, 10 Nov 2026
UKSME builders with delayed jobs49%H2 2025 (Jul-Dec)FMB/CIOB State of Trade H2 2025, 31 Mar 2026
UKSME builders with delayed jobs47%H1 2026 (Jan-Jun)FMB/CIOB State of Trade H1 2026, 10 Nov 2026
UKSME builders that paused expansion30%H2 2025 (Jul-Dec)FMB/CIOB State of Trade H2 2025, 31 Mar 2026
UKBuilders' workloads (net balance)
Jul-Dec 2025
+22H2 2025 (Jul-Dec)FMB/CIOB State of Trade H2 2025, 31 Mar 2026
UKBuilders' workloads (net balance)-4H1 2026 (Jan-Jun)FMB/CIOB State of Trade H1 2026, 10 Nov 2026
EnglandBuilders' enquiries (net balance)+19H2 2025FMB/CIOB State of Trade H2 2025, 31 Mar 2026
ScotlandBuilders' enquiries (net balance)+16H2 2025FMB/CIOB State of Trade H2 2025, 31 Mar 2026
WalesBuilders' enquiries (net balance)+14H2 2025FMB/CIOB State of Trade H2 2025, 31 Mar 2026
Northern IrelandBuilders' enquiries (net balance)+12H2 2025FMB/CIOB State of Trade H2 2025, 31 Mar 2026
ScotlandBuilders' enquiries (net balance)
Only UK nation where enquiries rose
+9H1 2026FMB Scotland, 10 Nov 2026
WalesBuilders' enquiries (net balance)-8H1 2026FMB Cymru, 10 Nov 2026
EnglandBuilders' workloads (net balance)+22H2 2025FMB/CIOB State of Trade H2 2025, 31 Mar 2026
ScotlandBuilders' workloads (net balance)+28H2 2025FMB/CIOB State of Trade H2 2025, 31 Mar 2026
WalesBuilders' workloads (net balance)+7H2 2025FMB/CIOB State of Trade H2 2025, 31 Mar 2026
Northern IrelandBuilders' workloads (net balance)+35H2 2025FMB/CIOB State of Trade H2 2025, 31 Mar 2026
ScotlandBuilders' workloads (net balance)+31H1 2026FMB Scotland, 10 Nov 2026
EnglandBuilders' workloads (net balance)-9H1 2026FMB Scotland, 10 Nov 2026
WalesBuilders' workloads (net balance)+14H1 2026FMB Cymru, 10 Nov 2026

Industry backdrop

Across construction, most demand signals point quieter: PMI 43.6 in October 2026 and builders' enquiries at -10 in H1 2026. See all demand signals.

Getting into the trade

Source: FMB/CIOB State of Trade H1 2026, 10 Nov 2026. We haven't yet verified a National Careers Service profile for this trade.

We haven't yet verified published course prices for this trade. Course providers can get in touch.

Common questions

How long is the wait for builders?

TradeMatch's 2026 Wait-Time Index put the median wait for extension builder at 10 weeks from accepting a quote to work starting, with the slowest 10% waiting 16 weeks (jobs from Q3 2025 to Q1 2026).

Source: TradeMatch Wait-Time Index, 21 Apr 2026

Are builders getting busier or quieter?

Quieter. Extension waits were long (median 10 weeks, TradeMatch, to Q1 2026), but FMB's newer survey shows builders' workloads (-4) and enquiries (-10) turned negative in H1 2026. Across construction as a whole, most indicators point quieter: the UK Construction PMI was 43.6 in October 2026.

Source: TradeMatch Wait-Time Index, 21 Apr 2026; FMB/CIOB State of Trade H1 2026, 10 Nov 2026; S&P Global UK Construction PMI, 5 Nov 2026

How do I become a builder?

One route is the Level 2 General Builder Apprenticeship (newly approved, per FMB). We haven't yet verified a National Careers Service profile for this trade.

Source: FMB/CIOB State of Trade H1 2026, 10 Nov 2026

All builder / extensions questions

Tradespeople: how busy are you, really?

Two quick questions, anonymous. We'll publish the totals once enough people answer, never individual replies.

1. How far ahead are you booked?
2. Compared with 6 months ago, is work…

Anonymous. Totals only.

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