Building installation work: UK Tenders, Buyers & Competition

CPV 45300000Works · classin Construction & Civil Engineering

Open now26open for bids now · see them in the search
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Tenders you can still bid for.

Notices at tender stage whose deadline has not passed, counted the way the search counts them: a notice shows under every code and region it names.

Notices, last 12 months134104 contracting authorities · 379 in the catalogue
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Notices published in the last 12 months.

Counted per tender, not per lot, against the 12 months before where shown.

Typical bids per lot420% single-bid · 28 procedures, 36 months
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How many companies usually bid for a lot here.

The middle value of the bid counts that award notices publish, one per lot. Only real competitions count: direct awards and framework places are left out.

Based on 56 lots from 28 competitions run by 25 buyers, last 36 months. A buyer with many similar contests counts only up to a limit. 36 lots are from Procurement Act 2023 notices (bids assessed, middle 4.5) and 20 from older notices (bids received, middle 3).

Last 36 months.

Typical contract value£199,000middle value of 139 contract awards, net · not frameworks
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What a contract here is usually worth.

Middle value of published award values, VAT excluded. Framework ceilings are left out because they are not real contract values.

Based on 139 awards with a usable value, last 36 months.

Published values, not actual spend.

Last 36 months.

Deadline to award50 daysmiddle value · 23 awarded procedures
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How long buyers here take to decide after bids close.

Middle value in days from the bid deadline to the award date, on competitions that published both.

Based on 23 decided competitions, last 36 months.

Only decided tenders count, so slow ones still waiting are not in.

Last 36 months.

Newest open tenders

3 of 26 open for bids now · newest first

See all 26 open tenders →

Codes and neighbouring classes

The 8-digit CPV codes notices in this class actually use, and the other classes of the same division

Who buys
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Which buyers publish the most notices here.

Buyers ranked by the number of notices, duplicate names merged.

All notices carrying this code · official UK_CA_TYPE where published (NHS bodies are central government authorities), else derived from the authority name

Buyer type
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What kinds of public bodies buy here.

Notices by the buyer’s type as published, otherwise by its name.

  • Local authorities47%(170 notices)
    170 of 362 notices are Local authorities (47%).
  • Other public bodies22%(80 notices)
    80 of 362 notices are Other public bodies (22%).
  • Central government10%(36 notices)
    36 of 362 notices are Central government (10%).
  • Housing associations6%(21 notices)
    21 of 362 notices are Housing associations (6%).
  • Education & universities4%(14 notices)
    14 of 362 notices are Education & universities (4%).
  • Not classified11%(41 notices)
    41 of 362 notices are Not classified (11%).
Contracting authorityTypeNoticesLast 12 monthsOpen now
Procurement for HousingOther public bodies930
London Borough of HillingdonLocal authorities730
Wokingham Borough CouncilLocal authorities720
Gloucestershire Health and Care NHS Foundation TrustCentral government640
PROSPEROther public bodies600
Dudley Metropolitan Borough CouncilLocal authorities510
London Borough of CamdenLocal authorities530
London Borough of SouthwarkLocal authorities510
North Northamptonshire CouncilLocal authorities520
Places for People on behalf of PfP & Anchor Hanover GroupOther public bodies500

246 distinct authorities in total · the ten most active shown.

Where the work is delivered
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Where the work on these notices is delivered.

Delivery regions published on the notices. A notice with several regions counts in each.

Where the work is, not where the buyer is based.

Delivery regions (ITL1) published on 281 of 379 notices · a notice covering several regions counts in each · competition columns: contracts awarded in the last 36 months, lots delivered in the region

RegionNoticesBids / lotSME winsLocal wins
Greater London72 · 26%847%23%
South East England68 · 24%859%33%
North West England67 · 24%770%50%
East Midlands60 · 21%969%45%
Yorkshire and the Humber55 · 20%767%22%
South West England54 · 19%—64%33%
West Midlands51 · 18%350%28%
East of England50 · 18%844%28%
North East England39 · 14%———
Wales (Cymru)26 · 9%———
Scotland10 · 4%———
Northern Ireland8 · 3%———

Local wins = the winner’s registered region is the delivery region. Dashes: fewer than ten observations.

How it is bought
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How work here is packaged.

Notices by commercial tool: a single contract, a framework, or a dynamic purchasing system.

Commercial tool, procedure route and threshold as published on the notice, not a legal-regime claim

Commercial tool
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How work here is packaged.

Notices by commercial tool: a single contract, a framework, or a dynamic purchasing system.

  • Contract75%(283 notices)
    283 of 379 notices are Contract (75%).
  • Framework20%(75 notices)
    75 of 379 notices are Framework (20%).
  • Dynamic purchasing system6%(21 notices)
    21 of 379 notices are Dynamic purchasing system (6%).
Procedure route
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Which procedures buyers here use.

Notices by the procedure they declare: open, selective, limited or direct. Open and selective are competitions; limited and direct are not.

  • Open36%(138 notices)
    138 of 379 notices are Open (36%).
  • Route not published22%(82 notices)
    82 of 379 notices are Route not published (22%).
  • Selective16%(61 notices)
    61 of 379 notices are Selective (16%).
  • Limited / restricted15%(56 notices)
    56 of 379 notices are Limited / restricted (15%).
  • Direct award11%(42 notices)
    42 of 379 notices are Direct award (11%).
Threshold
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How much of this market is above the legal threshold.

Notices by whether the buyer marked them above or below the threshold that triggers the full rules.

  • Above threshold51%(57 notices)
    57 of 111 notices are Above threshold (51%).
  • Below threshold49%(54 notices)
    54 of 111 notices are Below threshold (49%).
Typical tender window
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How long bidders get to respond.

Middle value in days from the tender notice to its deadline.

All notices we hold, not just recent ones.

30 daysrobust · n=96middle value, notice to deadline

Competition

Contracts published in the last 36 months (189) · bid counts per lot from award notices · values are net contract awards, framework and DPS ceilings excluded · SME and local status as declared

Bids per lot · n=56
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How many bids past lots received.

Each colour is a bid-count range. Only competed lots with a published count are included.

Past bids do not predict this tender.

Last 36 months.

  • 1 bid20%(11)
    11 of 56 lots fall in 1 bid (20%).
  • 2–323%(13)
    13 of 56 lots fall in 2–3 (23%).
  • 4–614%(8)
    8 of 56 lots fall in 4–6 (14%).
  • 7 or more43%(24)
    24 of 56 lots fall in 7 or more (43%).
Contract value, net
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The usual range of contract values here.

The middle half of published award values, VAT excluded, with the middle value marked. Framework ceilings are left out.

Published values, not actual spend.

p25 £59,895middle value £199,000p75 £1,323,717
interquartile range of 139 awards · p90 £6,857,476
Typical bids per lot
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How many companies usually bid for a lot here.

The middle value of the bid counts that award notices publish, one per lot. Only real competitions count: direct awards and framework places are left out.

Based on 56 lots from 28 competitions run by 25 buyers, last 36 months. A buyer with many similar contests counts only up to a limit. 36 lots are from Procurement Act 2023 notices (bids assessed, middle 4.5) and 20 from older notices (bids received, middle 3).

Last 36 months.

4robust · n=28middle half 2–8
Competed
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How much of this market is actually put out to competition.

Notices run as an open or selective procedure, out of all notices that say which procedure was used. Direct awards count as not competed.

91 of 176 notices that state a procedure, last 36 months. 13 more give no procedure and are left out.

Last 36 months.

52%robust · n=176
Bids from SMEs
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What share of bids come from small and medium firms.

SME bids divided by all bids, on lots where the buyer published the split.

210 SME bids out of 311, on 53 lots where the buyer published the split.

Last 36 months.

68%robust · n=311
Awards won by SMEs
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What share of contracts go to small and medium firms.

Awards to a single supplier that declared its size. SME divided by all.

74 of 111 awards where the winner declared its size.

Last 36 months.

67%robust · n=111
Won locally
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How much work here goes to companies based in the region.

Contract awards where the winner’s registered address is in this region, out of awards where the address is known.

Registered address, so a national firm with a local branch counts as outside.

Last 36 months.

61%robust · n=125winner registered in the delivery region
Winning award vs estimate
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Do winners come in above or below the buyer’s estimate.

For each lot we compare the published estimate with the award, like for like. Below means the winner was paid less than estimated, above means more.

Based on 39 lots with both an estimate and an award, last 36 months.

A past pattern, not a price to bid.

Last 36 months.

at the estimaterobust · n=3914 below · 7 above
Abandoned
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How often a tender ends with no award.

Notices cancelled, withdrawn or marked unsuccessful, plus terminated ones that never got an award.

8 of 189 notices, last 36 months.

Only what buyers published. Tenders that quietly went nowhere are not counted.

Last 36 months.

4%robust · n=189
Frameworks & DPS: bidders per lot
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How many companies apply to get onto a framework or DPS here.

Middle value per lot, frameworks and dynamic markets only. Getting onto a panel is not the same as winning work, so it is kept separate.

Based on 72 lots from 17 framework and DPS notices, last 36 months.

Last 36 months.

14robust · n=1741 vehicle procedures · admission to a panel, not a contest

Who wins
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Which suppliers win the most here.

Suppliers ranked by the number of tenders won, not by money. A supplier on one big framework with many call-offs does not outrank one that won many separate competitions.

Ranked by distinct procedures won on notices carrying this code, then award records · 388 awards to 273 suppliers · the five most frequent winners hold 9% of contract awards in the last 36 months

Where to submit
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Where bids for this work are submitted.

Notices by the portal in their submission link, where one is published.

E-sourcing portals named in the submission address · 126 of 379 notices name one · each portal page explains registration

Proactis / ProContract55 notices · 44%
myTenders11 notices · 9%
Sell2Wales10 notices · 8%
Delta eSourcing5 notices · 4%
eTendersNI4 notices · 3%

Open tenders in building installation work

26 open for bids now · soonest deadline first

All 26 open notices with CPV 4530… →

About this data
  • Source. Official UK public procurement notices (Find a Tender), reused under the Open Government Licence v3.0. New notices arrive through the day; the figures are rebuilt nightly.
  • What counts here. Every notice with a CPV code starting 4530. A notice with several codes counts in each sector it names. Notices from 2021 to 16 Oct 2026.
  • Competition. Bids and winners cover the last three years and count each lot as its own contest; frameworks and dynamic purchasing systems are shown apart from ordinary contracts.
  • Why no total spend. Notice estimates often repeat a framework’s ceiling, so adding them up would overstate the market. Typical contract values are shown instead.
  • Every figure shows what it rests on. Not every notice publishes a bid count, a value or a delivery region, so each figure carries the number of records behind it, and one built on few records is marked as such. The on a figure explains it; the counting rules are in the methodology. Spotted something wrong? Tell us.