Burglary and criminal damage

Burglary and criminal damage are adjacent but distinct ways in which the criminal law protects property. Burglary criminalises a form of trespassory entry connected with ulterior wrongdoing. Criminal damage criminalises the destruction or impairment of property, with aggravated forms where life is endangered. Both are statutory offences, but neither can be understood by reading the statutory words alone. The decisive questions are supplied by case law: what counts as entry; when entry is as a trespasser; what is a building or part of a building; what counts as damage; what kind of recklessness is required; and when an honest belief supplies lawful excuse.

The topic sits naturally after theft, robbery, and fraud. Theft required appropriation of property belonging to another with dishonesty and intention permanently to deprive. Burglary under s 9 of the Theft Act 1968 often incorporates theft as the intended or completed ulterior offence, but burglary is not merely attempted or completed theft in a building. Its distinctive wrong is the invasion of premises in breach of the occupier’s rights, aggravated by the purpose or occurrence of further offending. A defendant may be guilty of burglary without stealing anything, and may be guilty of theft in a house without burglary if he entered with permission and did not become a trespasser in respect of the relevant part or purpose.

Criminal damage under the Criminal Damage Act 1971 is structurally different. It is a result offence: property must be destroyed or damaged. It does not require dishonesty. Its mental element is intention or recklessness as to destruction or damage, now governed by the subjective approach in R v G. The offence is, however, narrowed by the requirement that the property belongs to another and by the statutory lawful excuses in s 5. The aggravated offence under s 1(2) is more severe because the defendant intends or is reckless as to endangering life by the damage to property; it is not enough that the defendant’s act happens to endanger life.

For Durham assessment purposes, this topic rewards disciplined statutory analysis. In problem questions, students often rush to labels: burglary, arson, aggravated burglary. The better answer proceeds element by element. For burglary: identify the relevant building or part; the entry; the trespass; the defendant’s knowledge or recklessness as to trespass; and then distinguish s 9(1)(a) from s 9(1)(b). For criminal damage: identify the property, ownership, damage, mens rea, and lawful excuse; then decide whether the aggravated offence or arson is engaged. The best answers also recognise overlap. A defendant who enters a shop stockroom intending to smash stock may be within s 9(1)(a) burglary and, once the stock is damaged, criminal damage. The charges perform different functions and should not be collapsed into each other.

Burglary is an old offence with modern statutory form. At common law it was narrow and strongly domestic: breaking and entering the dwelling house of another at night with intent to commit a felony. The law protected not merely ownership but habitation, privacy, and security against nocturnal invasion. That history explains why burglary retains a sense of aggravation beyond the contemplated ulterior offence. The wrong is not simply that the defendant intends to steal or injure; it is that he makes a trespassory incursion into premises in order to do so, or commits certain offences after entering as a trespasser.

The Theft Act 1968 transformed the offence. It abandoned the common law requirements of breaking, night-time, and dwelling house, and substituted the modern concepts of entry of a building or part of a building as a trespasser. It also divided the offence into two limbs. Section 9(1)(a) is an ulterior-intent offence: the defendant enters as a trespasser with intent to steal, inflict grievous bodily harm, or do unlawful damage. Section 9(1)(b) is a subsequent-conduct offence: having entered as a trespasser, the defendant steals or attempts to steal, or inflicts or attempts to inflict grievous bodily harm. The difference matters. Intent to cause criminal damage suffices for s 9(1)(a) but doing damage after entry does not appear in s 9(1)(b). Conversely, under s 9(1)(b), the prosecution must prove the relevant stealing or GBH conduct after entry, not merely the original intention.

Criminal damage also underwent major statutory rationalisation. The Malicious Damage Act 1861 contained a patchwork of property-protection offences, reflecting a Victorian catalogue of particular things and particular harms. The Criminal Damage Act 1971 replaced that structure with a general offence of destroying or damaging property belonging to another, plus an aggravated offence concerned with danger to life and a specific label of arson where destruction or damage is by fire. This generalising move made the law more coherent, but it left important interpretive work to the courts: what is damage; when does property belong to another; what is the relevance of consent; how should recklessness be defined; and how far may a defendant rely on property-protection motives?

The modern development of criminal damage is inseparable from the law of recklessness studied in Week 2. The House of Lords in R v Caldwell introduced an objective form of recklessness particularly in criminal damage. That doctrine permitted conviction where the defendant failed to notice an obvious risk. It was later overruled in R v G, restoring subjective awareness of risk as the general test for criminal damage. This is one of the clearest examples in the first half of the Durham Criminal Law module of the interaction between offence definition and general principles of culpability. The choice between objective and subjective recklessness is not a technical footnote; it determines who may properly be branded as criminally culpable for damage to property.

The two offences also show different legislative styles. Burglary is an offence of structured conditionality: entry as trespasser plus ulterior intent or subsequent conduct. Criminal damage is wider in language but constrained by defences and by the subjective requirement of intention or recklessness. Historically, burglary preserves a residue of the law’s concern with security of premises; criminal damage reflects a modern concern with the integrity, usefulness, and economic value of property. Exam answers should keep those rationales separate.

1. Burglary requires entry, but entry is not a purely mechanical idea. Section 9 requires that D enters a building or part of a building. The courts have moved from the language of an effective and substantial entry in Collins and Brown to the more generous approach in Ryan, where even a partial and awkward entry could suffice. The safe examination formulation is that there must be an entry in fact, but the threshold is not high. A hand, upper body, or trapped body may be enough if the defendant has crossed the boundary of the building or relevant part. The harder questions are usually not entry itself but trespass and the relevant part of the building.

1. The entry must be as a trespasser. Trespass is borrowed from civil law but used for a criminal purpose. D enters as a trespasser where he enters without permission, or where he knowingly or recklessly exceeds the permission given. The classic example is Jones and Smith: a person may enter a home with general permission but still be a trespasser if he enters knowing that his entry for the intended criminal purpose is outside the scope of that permission. This is especially important in family, retail, and workplace scenarios. A customer may enter a shop floor as an invitee, but not a staff-only stockroom. A guest may enter a hallway with permission, but not a locked bedroom. A student may enter a college building for authorised purposes, but not a restricted office at night to steal papers.

1. Mens rea as to trespass is required. Collins establishes that the defendant must know he is entering as a trespasser or be reckless as to that fact. It is not enough that, viewed objectively, he lacked permission. This point prevents burglary becoming a strict liability trespass offence. In problem questions, ask what D believed about permission at the moment of entry into the building or part. A drunken or mistaken belief may prevent proof of the trespass mens rea, though separate intoxication rules may arise if the mistake is caused by voluntary intoxication and the offence is one of basic intent; careful answers should not overstate this without analysis.

1. A building includes inhabited vehicles and vessels. Section 9(4) extends the meaning of building to an inhabited vehicle or vessel. The word building otherwise bears its ordinary meaning. Temporary or mobile structures may raise questions. The central inquiry is whether the structure has sufficient permanence and physical character to be treated as a building. Do not assume that every enclosure is a building. A tent, fenced compound, or open yard may require closer analysis. If the facts concern a room, counter area, staff-only zone, or till area, the phrase part of a building is often more important than building itself.

The burglary authorities are concerned less with the moral seriousness of the offence than with statutory boundaries. R v Collins remains the starting point. D climbed a ladder and entered a bedroom window after the complainant, believing him to be her boyfriend, invited him in. The Court of Appeal held that entry as a trespasser requires proof that D knew he was trespassing or was reckless as to whether he was. Collins matters because it prevents burglary from resting on civil trespass alone. A defendant who reasonably or even honestly believes he has permission may lack the required mens rea as to trespass.

R v Brown and R v Ryan concern entry. Brown treated entry as sufficient where part of D’s body was inside a shop window. Ryan went further: D became trapped with his head and arm inside a window, but entry could still be found. These cases show that the earlier language of effective and substantial entry is not a demanding threshold. For problem questions, entry is rarely the best point unless the defendant has merely used an instrument, reached across a threshold, or remained outside while causing damage.

R v Jones and Smith is central to trespass by exceeding permission. D had general permission to enter his father’s house but entered in order to steal televisions. The Court of Appeal held that a person can be a trespasser if he enters knowing that he is acting in excess of the permission given. This is the case to deploy where D is an employee, family member, guest, customer, or student with limited authority.

R v Walkington explains part of a building. D entered a department store during opening hours and went behind a counter area. The Court of Appeal held that he could be a trespasser in relation to that part of the building. The case is indispensable for retail premises. The customer’s licence is not a licence to enter staff-only or restricted zones.

The criminal damage cases begin with the meaning of damage. Hardman v Chief Constable of Avon and Somerset, Roe v Kingerlee, Morphitis v Salmon, and Fiak all confirm that damage is contextual. Water-soluble paint on pavement, mud on police-cell walls, scratches to scaffolding, and flooding in a cell may be evaluated by reference to impairment, restoration, and practical consequence. The courts do not require permanent harm, but neither is every physical contact enough. Damage is a question of fact and degree.

R v G is the leading case on recklessness. Two boys set fire to newspapers beneath a wheelie bin; the fire spread and caused major damage. The House of Lords overruled Caldwell and restored subjective recklessness. The decision is doctrinally important beyond criminal damage. It reaffirms that serious criminal liability should normally depend on the defendant’s actual awareness of risk.

R v Steer defines the aggravated offence. D fired shots at a house, endangering persons inside. The House of Lords held that s 1(2) requires life to be endangered by the damage to property, not merely by the act that caused the damage. This distinction is often missed. If D fires at a window and a person is nearly hit, the danger may come from the projectile. If D damages a gas pipe and explosion risk follows, life is endangered by the damaged property.

Jaggard v Dickinson and R v Denton illustrate lawful excuse. Jaggard shows the breadth of honest believed consent under s 5(2)(a), even where the belief is drunken and unreasonable. Denton shows that a defendant who honestly believes the owner consented to the damage may rely on lawful excuse. These cases should be kept distinct from general defences: s 5 is a statutory excuse with its own internal rules.

See practice questions section below.

See further reading section below.