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Where the rules come from

Who regulates construction in the United Kingdom

The UK regulates construction through statutory instruments rather than licences: the Building Regulations and their Approved Documents, the CDM Regulations for safety duties, and a payment and adjudication regime under the Construction Act. Competence is proved by scheme membership and qualification, not by a state-issued contractor licence.

54 authorities, 26 of them statutory, across 11 areas of practice. Every entry links to the publisher.

Code complianceContract administrationCost controlQuantity surveyingDocument control

Code compliance

The codes a design has to satisfy and the bodies that publish and amend them.

StatutoryFree to read

Building Safety Act 2022, with the Building (Higher-Risk Buildings Procedures) (England) Regulations 2023 (SI 2023/909) and the Building Regulations etc. (Amendment) (England) Regulations 2023 (SI 2023/911)

UK Parliament and MHCLG (legislation.gov.uk, gov.uk, HSE Building Safety Regulator)

higher-risk building definitiongateway approvalsgolden threadmandatory occurrence reportingdutyholder competencebuilding safety levy

Load-bearing for any residential work above 18m and increasingly for competence and duty-holder requirements on all buildings. The gateways are hard stops, which makes them programme risks rather than approvals.

StatutoryFree to read

Party Wall etc. Act 1996

UK Parliament / MHCLG

party structure noticesline of junction noticesadjacent excavation noticessurveyor awards

On any urban infill or basement job these notice periods control the start date, and they are commonly discovered after the programme has been issued.

StatutoryFree to read

Town and Country Planning Act 1990 (including Schedule 7A inserted by the Environment Act 2021), Community Infrastructure Levy Regulations 2010 as amended, and the statutory biodiversity metric

UK Parliament / MHCLG / Natural England

planning permission and conditionspre-commencement condition dischargeCommunity Infrastructure Levy notices and instalmentssection 106 obligationsbiodiversity net gain condition

These are the consents that most often control a UK start date and they sit outside building control entirely, so a programme built only around building regulations approval will miss them.

De facto standardPaywalled

NHBC Standards

NHBC (with equivalent regimes from LABC Warranty, Premier Guarantee and Checkmate)

structural warranty technical requirements for new homesfoundation, superstructure and drainage detailingwarranty inspection regime

UK new homes are effectively unsaleable and unmortgageable without a warranty, so the warranty provider's standards operate as a second, often stricter, code alongside the Building Regulations.

Code compliance in the United Kingdom, in detail

Contract administration

The contract forms, payment statutes and notice regimes that decide when you get paid and what you have to serve to keep the right.

StatutoryFree to readas amended

Consumer Contracts (Information, Cancellation and Additional Charges) Regulations 2013 (SI 2013/3134)

UK Parliament (legislation.gov.uk)

pre-contract information for off-premises and distance contractsthe fourteen day cancellation rightextension of the cancellation period where information is not givenexpress request to begin services in the cancellation periodconsequences of cancellation for part-performed servicescriminal offence for off-premises information failures
StatutoryFree to readin force from 1 October 2011 in England and Wales

Local Democracy, Economic Development and Construction Act 2009, Part 8

UK Parliament (legislation.gov.uk)

the 2011 amendments to the construction payment regimeintroduction of the notified sum and pay less noticeremoval of the requirement for contracts to be in writing

Not needed for day to day operation but essential context: it explains why contracts and precedents drafted before October 2011 use different notice names and different mechanics.

StatutoryFree to readas amended by SI 2011/2333

Scheme for Construction Contracts (England and Wales) Regulations 1998 (SI 1998/649)

UK Parliament (legislation.gov.uk)

default payment due datesdefault final date for paymentdefault payment notice and pay less notice periodsdefault adjudication procedure

Supplies the payment terms on every subcontract agreed by purchase order or email with no payment clauses, which describes most work a small contractor takes. Without it the payment application template has no dates to compute.

De facto standardFree to readcurrent online edition

Guidance on the Consumer Contracts (Information, Cancellation and Additional Charges) Regulations 2013

Chartered Trading Standards Institute and the Department for Business and Trade

practical interpretation of the consumer contracts regulationsenforcement approach of trading standardsmodel cancellation form and notice wording

Not law, but it is how trading standards will read the situation and it carries the model cancellation form the domestic template needs to reproduce. Free to use and safe to rely on for practical scope questions.

Contract administration in the United Kingdom, in detail

Health and safety

The statutory safety duties on site and the bodies that enforce them.

StatutoryFree to read2015

Construction (Design and Management) Regulations 2015

HSE

design risk managementduty holdersconstruction phase planF10 notification

CDM assigns duties by ROLE, and a UK contractor's paperwork obligations follow from which role they hold. Free and reusable, so an ingestion candidate.

Cost control

What governs valuation, variation, retention and the reporting of cost against value.

StatutoryFree to readas amended

Late Payment of Commercial Debts (Interest) Act 1998, with the Late Payment of Commercial Debts (Rate of Interest) (No. 3) Order 2002 (SI 2002/1675)

UK Parliament (legislation.gov.uk)

statutory interest on late commercial debtsfixed compensation for recovery costssubstantial remedy test for contractual interest clauses

Applies only between businesses, so it belongs on the subcontract invoice and not on the domestic one. It is the only leverage a small contractor has on a slow-paying main contractor that does not require adjudication.

StatutoryFree to readas amended, consolidated text on legislation.gov.uk

Value Added Tax Act 1994

UK Parliament (legislation.gov.uk)

VAT liability on construction suppliesthe domestic reverse charge powerzero and reduced rating for dwellingsrecord keeping and invoicing obligations
StatutoryFree to readas amended

Value Added Tax Regulations 1995 (SI 1995/2518)

UK Parliament (legislation.gov.uk)

contents of a VAT invoicetime limit for providing a VAT invoicesimplified and modified invoicesreverse charge and margin scheme references on invoices

This is the single most load-bearing authority for the invoice template. Every mandatory field on a GB invoice traces to regulation 14 and nowhere else.

StatutoryFree to read

VAT domestic reverse charge for building and construction services (VATA 1994 s.55A and the Value Added Tax (Section 55A) (Specified Services and Excepted Supplies) Order 2019)

HM Revenue and Customs

VAT treatment of B2B construction suppliesinvoice wordingend user and intermediary supplier notifications

A UK construction invoice template that always adds VAT to the total is wrong for most business-to-business supplies in this market, and the error compounds across every application.

De facto standardFree to readcurrent online edition

CIS 340: Construction Industry Scheme, a guide for contractors and subcontractors

HM Revenue and Customs

practical operation of the Construction Industry Schemededuction rateswhat is excluded from the deduction basedeemed contractor thresholdreturn and payment deadlines

The practical companion to the legislation and the source most contractors will actually be shown. Its paragraph numbering is stable enough to cite and it is free to reproduce facts from.

De facto standardFree to readcurrent online edition; charge effective for tax points from 1 March 2021

VAT domestic reverse charge for building and construction services (guidance and technical guide, VAT Notice 735 material)

HM Revenue and Customs

scope of the construction domestic reverse chargeinvoice wording for the reverse chargeend user and intermediary supplier notificationsthe five per cent disregardtreatment of mixed supplies

HMRC guidance rather than legislation, but it is free, openly licensed and is the only place the practical invoice wording and the end user notification mechanism are set out. A construction canon that omits it cannot produce a correct subcontract invoice.

De facto standardFree to readcurrent online edition

VAT Notice 708: buildings and construction

HM Revenue and Customs

zero rating of new dwellingsreduced rating of conversions and empty property renovationcertificates for relevant residential and charitable usetax point rules for construction services and stage payments

Determines whether a domestic contractor charges twenty per cent, five per cent or nothing on a residential job. Getting it wrong either loses the contractor the difference or hands the customer a price they will not pay.

De facto standardFree to readcurrent online edition

VAT registration, record keeping and the VAT guide (Notice 700 series)

HM Revenue and Customs

VAT registration and deregistration thresholdsVAT record keeping and retentiongeneral invoicing practice

Needed for the registration threshold rule and to settle the record retention period that is currently a must_verify. Also the fallback source for anything in regulation 14 that needs practical interpretation.

Cost control in the United Kingdom, in detail

Quantity surveying

The methods of measurement and the conventions that decide what a quantity means.

De facto standardPaywalledFourth edition

CESMM4: Civil Engineering Standard Method of Measurement

Institution of Civil Engineers / Emerald (formerly Thomas Telford)

civil engineering measurementcivils bill of quantities structureitem coding for civil works

Measuring civils work to NRM2 produces a bill a civils QS will not recognise. Method-Related Charges in particular are the civils analogue of the fixed/time-related preliminaries split and have no counterpart in the building rules.

De facto standardFree to read

Method of Measurement for Highway Works, with its Notes for Guidance

National Highways (Manual of Contract Documents for Highway Works, Volume 4)

highway works measurementhighway bill of quantities structureSeries-based work classification

Free and downloadable, so its structure can be relied on directly. Any National Highways or local highway authority scheme will expect this, not NRM2.

Quantity surveying in the United Kingdom, in detail

Estimating

The data sources and bid rules an estimate is built against.

StatutoryFree to read

CITB Levy (annual Levy Order and CITB levy rates and exemptions)

Construction Industry Training Board, under Levy Orders made under the Industrial Training Act 1982

training levy on PAYE and net CIS paymentsexemption and reduction thresholdslevy return obligations

A real cost in the all-in labour rate that estimators outside the UK would not think to include.

Common practiceFree to read

CIJC Working Rule Agreement, with the annual Pay Promulgation

Construction Industry Joint Council (employer bodies and Unite/GMB), promulgated via Build UK and trade federations

minimum operative pay rates by gradestandard working weekfares and travel, subsistence, sick pay and holiday entitlementsovertime and shift premiums

Planning and programme

Programme, delay analysis and the consent regimes that gate a start on site.

De facto standardFree to read2020

RIBA Plan of Work 2020

Royal Institute of British Architects

project stage namingstage outcomes and information exchangesalignment of cost and information deliverables to stages

Nearly every UK cost, programme and information deliverable is named by RIBA stage. Using American stage names is an immediate tell that a document was not produced for this market.

Document control

How information is named, issued, and proved to have been issued.

StatutoryFree to readas amended

Companies Act 2006, Part 41 (business names), sections 1200 to 1206, and section 82 (trading disclosures)

UK Parliament (legislation.gov.uk)

use of business namesdisclosure of proprietors' names and an address for servicedocuments on which disclosure must appearoffences for non-disclosure

Catches almost every solo contractor trading under anything other than their own personal name. One missing line on the invoice is both an offence and a defence the customer can raise to stall enforcement of the debt.

StatutoryFree to readas amended

Company, Limited Liability Partnership and Business (Names and Trading Disclosures) Regulations 2015 (SI 2015/17), Part 6

UK Parliament (legislation.gov.uk)

company particulars on business letters, order forms and websitesdisplay of the registered name at business premisesoffences and daily default fines

Quotations and order forms are caught as well as invoices, which is why the domestic quotation template carries the same identity block as the invoice. The requirement applies to the registered name even when the contractor trades under a different one.

De facto standardPaywalledUK National Annex revised 2021

BS EN ISO 19650-1 and -2 with the UK National Annex (2021 revision), and BS EN ISO 19650-3, -4 and -5

BSI, with free guidance from the UK BIM Framework

information container namingsuitability and revision codescommon data environment workflowEIR, BEP and MIDPlevel of information need

This is the largest single gap for GB document control and BIM. The naming convention is the most visible marker of whether a document set was produced by someone who works in this market.

De facto standardFree to read

Uniclass 2015

NBS

classificationinformation structuring

The UK equivalent axis to MasterFormat/UniFormat. Free, which makes it a realistic full-ingestion candidate.

Document control in the United Kingdom, in detail

Site engineering

Setting out, survey control, temporary works and the standards behind them.

Specification

The specification systems and master texts a scope is written against.

De facto standardPaywalled

NBS Chorus / NBS specification clause library

NBS

specification authoringUK clause library

The UK does NOT use three-part CSI format. Getting this wrong is an immediate tell that a spec was written for the wrong market.

Sustainability

Energy, carbon and environmental performance requirements and the schemes that certify them.

Statutory, de facto, or habit

Statutory means the law says so and a regulator can stop your job. A de facto standard binds you because the contract adopts it, which in practice is just as binding and is easier to argue about. Common practice is what the market does with nothing published behind it, and the honest thing to do with those is record them as convention rather than cite a standard that does not exist.

The other marketsWhat applies everywhere

Knowing the rule is not the same as meeting it on a Tuesday

AEC Stack keeps the paperwork side of the register handled: registrations, insurance certificates, payment notices with their deadlines, and the documents a buyer asks for before they will let you start. Across Canada, built deepest for Ontario.

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