UK Act of Parliament 2001 United Kingdom

Capital Allowances Act 2001

At a glance

Enforced by

HMRC

What's here

12 compliance obligations, 4 practical guides across 2 topics · 5 journeys

Who this Act binds

Business-side actors with duties under this Act, ranked by how often they appear.

  • Any Person 11

Plus 1 non-business duty on Crown ministers, regulators, local authorities or tribunals — shown collapsed under each section below.

Step-by-step journeys using this legislation

Walkthroughs that take you from a real business situation to compliance.

Relevant guidance

Practical guides for businesses affected by this Act, ordered by how closely they engage with it.

Direct — cites this Act

1 guides

Other Acts binding the same actors

For each actor bound by this Act, the other UK Acts that bind them most often. Useful for understanding the full compliance landscape facing each role.

Any Person also bound by 749 other Acts (top 5 shown)

What this Act requires

Sections that create concrete duties on businesses or carry penalties. Procedural and definitional sections are folded into the “Browse other sections” expander at the bottom of each group. Click any section title to read the source text on legislation.gov.uk.

Part 1 — Introduction

Browse 6 other sections in this Part — procedural / definitional / commencement
s.006

“Northern Ireland firm” etc

s.006

NI rate activity treated as separate trade

Part 2 — Plant and machinery allowances

s.104

Special rate expenditure

Amended 1 time
s.104

Application of Chapter to part of expenditure

Amended 1 time
s.104

Disposal value of special rate assets

Amended 1 time
s.104

Special rate cars: discontinued activity continued by relevant company

Amended 1 time
s.104

Disposal events in respect of cushion gas

Amended 1 time
s.161

Meaning of “offshore infrastructure”

Amended 2 times
s.161

Exceptions to section 161C(2)

Amended 2 times
s.163

Expenditure in anticipation of approval of abandonment programme

Amended 27 times
s.165

Allowance in respect of certain services related to decommissioning

Amended 18 times
s.165

Allowance where decommissioning undertaken for other participators in oil field

Amended 18 times
s.182

Purchaser of land discharging obligations of client under energy services agreement

Amended 2 times
s.187

Section 187A: supplementary provision

  • Prove eligibility for capital allowances on fixtures Any Person
s.208

Cars: disposal value in avoidance cases

Amended 1 time
s.218

Disposal values: section 215

Amended 8 times
s.228

Application of sections 228B and 228C

Amended 2 times
s.228

S's income or profits etc : deductions

Amended 2 times
  • Limit tax deductions for sale and leaseback payments Any Person
s.228

S's income or profits: termination of leaseback

Amended 2 times
s.228

Lessor’s income or profits: termination of leaseback

Amended 2 times
s.228

Leaseback not accounted for as finance lease in S's accounts

Amended 2 times
s.228

Sections 228A to 228G: supplementary

Amended 2 times
s.228

Disposal of plant or machinery subject to lease where income retained

Amended 2 times
s.228

Other definitions for the purposes of s.228K

Amended 2 times
s.228

Calculation of present value

Amended 2 times
s.228

Rental rebate

Amended 2 times
s.250

EEA furnished holiday lettings businesses

Amended 2 times
s.261

Special leasing: leasing partnerships

Amended 2 times
s.262

First-year tax credits

Amended 2 times
s.262

Co-ownership schemes: carrying on qualifying activity

Amended 2 times
s.262

Co-ownership schemes: calculation of allowance after election

Amended 2 times
s.262

Co-ownership schemes: effect of election for participants

Amended 2 times
s.267

Restriction on effect of election

Amended 1 time
s.268

Terms relating to emissions

Amended 1 time
s.268

Hire cars for disabled persons

Amended 1 time
s.268

Meaning of “assigns”

Amended 1 time
Browse 165 other sections in this Part — procedural / definitional / commencement
s.013

Use for other purposes of plant or machinery: property businesses

s.017

Ordinary overseas property business

s.034

Expenditure on plant or machinery for long funding leasing not qualifying expenditure

s.038

AIA qualifying expenditure

s.045

Section 45A exclusion: feed-in tariffs and renewable heat incentives

s.045

Certification of energy-saving plant and machinery

s.045

Energy-saving components of plant or machinery

s.045

Expenditure on cars with low carbon dioxide emissions

s.045

Expenditure on plant or machinery for gas refuelling station

s.045

Expenditure on plant or machinery for electric vehicle charging point

s.045

Expenditure on plant and machinery for use wholly in a ring fence trade

s.045

Certification of environmentally beneficial plant and machinery

s.045

Expenditure on plant and machinery for use in designated assisted areas

s.045

Exclusion of plant or machinery partly for use outside designated assisted areas

s.045

Power to amend conditions

s.045

Exclusion of plant or machinery partly for use outside special tax sites

s.045

Effect of failing to comply with ongoing requirements

s.051

Entitlement to annual investment allowance

s.051

First restriction: companies

s.051

Second restriction: groups of companies

s.051

Companies and groups: meaning of “related”

s.051

Fifth restriction: qualifying activities under common control

s.051

Qualifying activities: meaning of control

s.051

Sixth restriction: allocation where profits chargeable at NI rate

s.051

Operation of annual investment allowance where restrictions apply

s.051

Special provision for long chargeable periods

s.052

Prevention of double relief

s.056

Writing-down allowances for small pools

s.059

Disposal of assets where first-year allowance made under section 45S for expenditure which is special rate expenditure

s.062

Cases in which disposal value is transition value

s.064

Leased assets: arrangements reducing disposal value of asset

s.066

SME partnership entering NI corporation tax regime

s.066

SME partnership leaving NI corporation tax regime

s.070

Entitlement to capital allowances

s.070

Long funding finance lease: amount of capital expenditure

s.070

Disposal events and disposal values

s.070

Introductory

s.070

Lessee: requirement for tax return treating lease as long funding lease

s.070

“Funding lease”

s.070

“Plant or machinery lease”

s.070

Derived leases of plant or machinery: term and rentals

s.070

The finance lease test

s.070

The lease payments test

s.070

Excluded leases of background plant or machinery for a building

s.070

The disqualifications

s.070

Plant or machinery leased with land: low percentage value

s.070

Transfers, assignments etc by lessee

s.070

Change in accountancy classification of long funding lease

s.070

Long funding operating lease: extension of term of lease

s.070

Extension of term of lease that is not a long funding lease

s.070

Increase in proportion of residual amount guaranteed: review of status

s.070

“Termination value”

s.070

General definitions

s.070

Power to vary the meaning of certain expressions

s.175

Meaning of “energy services agreement”

s.180

Energy services providers

s.212

Scope of Chapter

s.212

Where Chapter applies

s.212

When there is qualifying change in relation to C

s.212

When company is owned by consortium and consortium members

s.212

Ownership proportion

s.212

Relevant tax written-down value

s.212

Limiting conditions

s.212

Old and new accounting periods

s.212

When there is excess of allowances in pool: amount of excess

s.212

Apportionment of proceeds of disposal of relevant plant and machinery

s.212

Cap on first-year allowances: zero-emission goods vehicles

s.212

Cap on first-year allowances: expenditure on plant and machinery for use in designated assisted areas

s.212

Apportionment of expenditure incurred partly for NI rate activity

s.212

Allowances and charges on expenditure in single asset pool

s.212

Application of Chapter to partnerships

s.212

“Main rate activity”

Part 2A — STRUCTURES AND BUILDINGS ALLOWANCES

s.270

Evidence of qualifying expenditure etc

  • Create or obtain an allowance statement for building tax relief Any Person
Browse 37 other sections in this Part — procedural / definitional / commencement
s.270

Structures and buildings allowances

s.270

Capital expenditure incurred on construction

s.270

Sale by a developer: used buildings or structures

s.270

Acquisition or alteration of land etc

s.270

Provision of plant or machinery

s.270

Expenditure on renovation, conversion or incidental repairs

s.270

Preparation of sites

s.270

Apportionment of sums partly referable to non-qualifying assets

s.270

Expenditure incurred before qualifying activity carried on

s.270

Meaning of “ special tax site qualifying expenditure ”

s.270

Apportionment

s.270

Power to amend meaning of “ special tax site qualifying expenditure ” etc

s.270

Qualifying activities

s.270

Property businesses

s.270

Companies with investment business

s.270

Qualifying use

s.270

Exclusion: residential use

s.270

Use for the purposes of a property business

s.270

Effect of creation of subordinate interest

s.270

Proportionate adjustment in certain cases

s.270

Carrying on of highway undertakings

s.270

Cases where highway concession is to be treated as extended

s.270

Introduction

s.270

Additional VAT rebates

s.270

Adjustment for pre-April 2020 allowance

s.270

Trades

s.270

... UK property businesses and ... overseas property businesses

s.270

Mines, transport undertakings etc

s.270

Companies with investment business

s.270

Apportionment of allowances

s.270

Different giving effect rules for BLAGAB

s.270

Supplementary

s.270

Anti-avoidance: general

s.270

Co-ownership schemes: carrying on qualifying activity

s.270

Co-ownership schemes: calculation of allowance after an election

s.270

Treatment of leases

s.270

Meaning of “lease” etc

Part 3 — Industrial buildings allowances

Browse 41 other sections in this Part — procedural / definitional / commencement

Part 3A — Business Premises Renovation Allowances

s.360

Calculation of balancing adjustments

  • Calculate balancing adjustments when selling or disposing of assets Any Person
Browse 14 other sections in this Part — procedural / definitional / commencement
s.360

Business premises renovation allowances

s.360

Meaning of “qualifying expenditure”

s.360

Meaning of “qualifying building”

s.360

Interest acquired on completion of conversion

s.360

Entitlement to writing-down allowances

s.360

Amount of allowance

s.360

Grants affecting entitlement to allowances

s.360

When balancing adjustments are made

s.360

Balancing events

s.360

Introduction

s.360

Writing off initial allowances and writing-down allowances

s.360

Introduction

s.360

Additional VAT liabilities and writing off initial allowances

s.360

Meaning of “lease” etc.

Part 4A — FLAT CONVERSION ALLOWANCES

Browse 14 other sections in this Part — procedural / definitional / commencement
s.393

Flat conversion allowances

s.393

Meaning of “qualifying expenditure”

s.393

Meaning of “qualifying flat”

s.393

High value flats

s.393

General rule as to what is the relevant interest

s.393

Interest acquired on completion of conversion

s.393

Initial allowances

s.393

Amount of allowance

s.393

Meaning of “the residue of qualifying expenditure”

s.393

Balancing events

s.393

Calculation of balancing adjustments

s.393

Apportionment of sums partly referable to non-qualifying assets

s.393

Provisions applying on termination of lease

s.393

Meaning of “lease” etc.

Part 5 — Mineral extraction allowances

s.416

First-year allowances available for certain types of qualifying expenditure

Amended 5 times
s.416

Time when expenditure is incurred

Amended 5 times
s.416

Artificially inflated claims for first-year allowances

Amended 5 times
s.416

Ring fence trades: expenditure on site restoration

Amended 5 times
s.416

“Notional accounting period”

Amended 5 times
s.416

Site restoration services supplied by connected person

Amended 5 times
s.416

Restriction on allowance available

Amended 5 times
s.416

Allowance where site restoration undertaken for other participators in oil field

Amended 5 times
s.419

Unrelieved qualifying expenditure: entry to cash basis

Amended 1 time
Browse 15 other sections in this Part — procedural / definitional / commencement

Part 6 — Research and development allowances

Browse 4 other sections in this Part — procedural / definitional / commencement
s.439

Qualifying expenditure incurred for purposes of NI rate activity

Part 7 — Know-how allowances

s.462

Persons leaving cash basis

Amended 2 times
Browse 7 other sections in this Part — procedural / definitional / commencement

Part 9 — Dredging allowances

Browse 1 other section in this Part — procedural / definitional / commencement

Schedules

Browse 1 other Schedule — structural / supplementary

Other sections — not classified into a Part

These sections exist in the Act but the contents-of-Parts walker did not place them under a Part. Likely amendments or sections inserted out of the original Part structure.

Browse 1 other unclassified section
s.first-year tax credits

First-year tax credits

Official guidance

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HM Revenue & Customs

Tax collection, customs duties, national insurance, tax credits, and enforcement of the National Minimum Wage. Regulates all UK businesses for tax compliance …

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