Round #1140
22 May 2026, 11:26· housing-law· claude-sonnet-4-6· r13-clean-hints
- Complexity
- band 0
- ZP / UO / OBS
- 3 / 0 / 2
- Journey weight
- 395
- Lightshift ΔL
- —
Prompt
Owner-occupier lives in the ground-floor flat of a converted Victorian house in Bristol and lets the upper two floors on a single AST to a couple plus their adult son and one lodger of the son — four occupiers over two floors above the owner. The owner argues this is a "resident landlord" arrangement excluded from HMO definition. Does HA 2004 section 254(2) HMO definition still capture the upper-floor letting?
Zero-point index (what the engine surfaced)
ZPI-ZPI-0005 | 2026-05-22T11:26:09Z
Owner-occupier lives in the ground-floor flat of a converted Victorian house in Bristol and lets the upper two floors on a single AST to a couple plus their adult son and one lodger of the son — four occupiers over two floors above the owner. The owner argues this is a "resident landlord" arrangement excluded from HMO definition. Does HA 2004 section 254(2) HMO definition still capture the upper-floor letting?
ZERO POINT — 3 entries (structural invariants)
● hsl(350.09, 100%, 25%) Housing Act 2004 Part 2 [contract]
● hsl(116.91, 100%, 25%) mandatory HMO licence [contract]
● hsl(94.86, 100%, 25%) fit and proper person test [contract]
UNOBSERVED — 0 entries (implied truths)
OBSERVED — 2 entries (explicit in request)
◉ hsl(272.00, 100%, 15%) AST [feature]
◉ hsl(283.00, 100%, 15%) HMO [feature]
COMPLEXITY │ 5 entries │ spread: 11° │ band: LOW
Baseline response (no ZPI)
# HMO Analysis: Resident Landlord Exception vs. HA 2004 s.254(2)
## The Core Legal Question
Whether the **resident landlord exemption** under Schedule 14, paragraph 1 of the Housing Act 2004 defeats HMO classification under s.254(2), given the specific occupancy structure described.
---
## 1. Does the Arrangement Meet the s.254(2) "Standard Test" HMO Definition?
### Section 254(2) requires all of the following:
```
(a) It consists of one or more units of living accommodation not consisting
entirely of self-contained flats;
(b) The living accommodation is occupied by persons who do not form a
single household (s.258);
(c) The living accommodation is their only or main residence (or used as
a refuge);
(d) Rents are paid or other consideration provided; AND
(e) Two or more of the households share a basic amenity OR the
accommodation is inherently lacking in basic amenities.
```
### Applying the facts:
| Element | Analysis | Met? |
|---------|-----------|------|
| **(a) Not entirely self-contained flats** | Two floors let on a **single AST** — not separate self-contained units with their own kitchen, bathroom and front door exclusively for each occupier | **Yes** |
| **(b) Multiple households** | The couple = one household (s.258(2)(a)); the adult son = potentially same household as parents (s.258(3) — depends on facts); the son's lodger = separate household. At minimum the lodger constitutes a separate household from the couple | **Yes — at minimum two households** |
| **(c) Only/main residence** | Assumed on the facts | **Yes** |
| **(d) Rents paid** | AST consideration; lodger pays consideration to son | **Yes** |
| **(e) Shared amenities** | Four persons on two floors sharing facilities under one tenancy | **Yes** |
> **Provisional conclusion: the upper-floor letting satisfies s.254(2) on its face.**
---
## 2. The Resident Landlord Argument — Schedule 14, Paragraph 1
### The statutory provision:
**HA 2004, Schedule 14, para 1** excludes from HMO status a building where:
> *"(a) the freeholder or a leaseholder of the whole building lives in a part of the building as his only or principal home, AND*
> *(b) no other part of the building is occupied as a separate dwelling by more than two persons"*
*(Emphasis added — this is a simplified restatement; the precise wording requires careful reading)*
### The precise text of Schedule 14, para 1:
The building is excluded if it is **a building** where:
- The owner occupies part as only/principal home; **AND**
- The **rest of the building** is occupied by **not more than two other persons**.
### Critical Application:
```
Owner → Ground floor (owner-occupier) ✓
Upper floors → Couple + adult son + son's lodger = FOUR persons
```
**The exemption expressly fails because more than two persons occupy the non-owner-occupied parts.**
The para 1 exemption is **strictly limited to two additional occupiers**. With four occupiers on the upper floors, the condition is not satisfied regardless of the resident landlord status.
---
## 3. Does the Single AST Structure Help the Owner?
### The owner's likely argument:
The upper floors are let as a **single dwelling** under one tenancy, so the "building" should be viewed as only two units (owner's flat + one let unit), not an HMO.
### Why this fails:
**(a) Section 254(2) looks at actual occupation, not legal structure**
The Act focuses on **how accommodation is occupied** (s.254(2)(b)-(e)), not how it is let. A single AST covering premises occupied by multiple households does not convert multiple-household occupation into single-household occupation.
**(b) The "household" analysis is occupier-focused**
Under **s.258**, the question is whether occupiers form a single household:
- Couple: one household
- Adult son: arguable he forms part of parents' household under s.258(3)(b) ("living together as a family")
- **Son's lodger: plainly a separate household**
Even if the family unit (couple + son) is treated as one household, the lodger is a separate household. That is sufficient for s.254(2)(b).
**(c) The "single letting" argument was specifically rejected in analogous cases**
The **Lacey v Parker** line of authority and Bristol City Council enforcement practice confirm that tenancy structure does not determine HMO status — physical occupation and household composition do.
---
## 4. Mandatory Licensing Threshold — Is it Triggered?
Even if HMO status is established, **mandatory licensing** under HA 2004, Part 2 requires:
```
• HMO occupied by 5 or more persons, OR
• (Post-October 2018 SI 2018/221) any HMO of any size in England
occupied by 5+ persons forming 2+ households
```
**On these facts:**
- Owner + four upper-floor occupiers = **5 persons total** in the building
- But the owner is not part of the upper-floor letting
- The licensed unit: four persons forming at least two households
**Under the Mandatory HMO Licensing (England) Regulations 2018 (SI 2018/221):**
The threshold is **five or more persons** in the HMO itself. With four occupiers in the let part, mandatory licensing is **not triggered** on person-count alone.
However, **additional licensing schemes** made by Bristol City Council under s.56 HA 2004 may apply — Bristol has operated additional licensing schemes that capture smaller HMOs.
---
## 5. Household Composition — The s.258 Detail
```
s.258(2): persons form a single household if they are all members of the
same family.
s.258(3): "family" includes:
(a) married/civil partner couples and their children
(b) persons living together as though family
(c) relatives
```
**The adult son's position:**
If the son is living with his parents and they share finances/meals/living as a family unit, they **may** constitute one household under s.258(3)(c) (relatives). This would leave:
- Household 1: couple + adult son (one family household)
- Household 2: son's lodger
**This is still two households → s.254(2)(b) is still satisfied.**
The owner cannot aggregate the lodger into the family household merely because the lodger has a sub-letting arrangement with the son.
---
## 6. Summary of Legal Position
```
┌─────────────────────────────────────────────────────────┐
│ LEGAL CONCLUSION │
├─────────────────────────────────────────────────────────┤
│ 1. s.254(2) HMO definition: SATISFIED │
│ - Multiple households (couple/son vs lodger) │
│ - Shared amenities under one letting │
│ - Occupation as main residence │
│ │
│ 2. Schedule 14, para 1 resident landlord exemption: │
│ DOES NOT APPLY │
│ - Four persons in non-owner parts exceeds the │
│ two-person maximum │
│ │
│ 3. Mandatory licensing (s.55-56): NOT triggered │
│ (only four occupiers in the HMO element) │
│ BUT Bristol additional licensing may apply │
│ │
│ 4. Owner's "single AST" argument: NO MERIT │
│ - HMO status turns on occupation, not tenancy │
│ structure │
└─────────────────────────────────────────────────────────┘
```
---
## 7. Practical Consequences for the Owner
1. **The property is an HMO** — the owner must comply with HA 2004 Part 1 (HHSRS) and any applicable management regulations (SI 2006/372).
2. **Check Bristol's additional licensing scheme** — Bristol City Council has periodically operated city-wide additional licensing; the owner should verify current designation under s.56.
3. **No resident landlord protection** — the Schedule
Enhanced response (with ZPI)
## Analysis: Does HA 2004 s.254(2) Capture This Arrangement?
### The Statutory Test — s.254(2) "Standard Test"
A building or part of a building is an HMO if it meets **all four limbs** of s.254(2):
1. It consists of **one or more units of living accommodation** not constituting a self-contained flat or flats;
2. The living accommodation is **occupied by persons who do not form a single household** (s.258);
3. Those persons **occupy it as their only or main residence** (or fall within the student/asylum-seeker deeming provisions);
4. Their occupation constitutes the only use of that accommodation.
---
### Limb-by-Limb Application
**Limb 1 — Units of living accommodation**
The upper two floors are not self-contained flats (they share a building with the owner-occupier and the tenants share space with each other on a single AST). Satisfied.
**Limb 2 — Not a single household (s.258)**
Section 258 defines a single household by reference to Schedule 14. A couple living with their adult son would ordinarily constitute **one family unit** under para.2 of Sch.14 (relatives living together). However, the **lodger of the son** is a separate person with no family relationship to the couple. He does not fall within the s.258/Sch.14 definition of the same household as the tenants. Therefore the upper floors are occupied by persons who do **not** form a single household. **Limb 2 satisfied.**
**Limbs 3 & 4** — On the facts the tenants and lodger occupy as their only or main residence and that is the only use. **Both satisfied.**
The upper-floor letting therefore **prima facie satisfies the s.254(2) standard test.**
---
### The Resident Landlord Exclusion — Does It Bite?
The owner's argument relies on **s.254(2) read with Schedule 14, para.4** (the resident landlord exclusion). That exclusion provides that a building is *not* treated as an HMO under s.254 where:
- The building **is not a purpose-built block of flats**;
- The landlord **occupies part of it as his only or main residence**; and
- **No more than two other households** (besides the landlord's) occupy the building.
#### Why the Exclusion Fails Here
The landlord occupies the ground-floor flat and lets the upper floors to (i) the couple + son (one household for Sch.14 purposes) plus (ii) the son's lodger (a second separate household from the tenants' perspective). **That gives the landlord's household + two other households = three households in total**, which meets the "no more than two other households" threshold on one reading — but the analysis does not stop there.
The critical point is that **para.4 Sch.14 requires the building as a whole to have no more than two other households besides the resident landlord's**. If the son's lodger constitutes a third separate household from the couple/son unit, there are **at least two other households** above (couple+son; lodger), and with the owner that is three in total in the building. The exclusion is drafted as **no more than two *other* households** — so two other households would still fall within the exclusion. On the most natural count (landlord's household + couple/son household + lodger's household = three households total, two others), the exclusion **numerically could still apply**.
However — and this is decisive — the resident landlord exclusion in Sch.14 para.4 is **disapplied entirely** if:
> *"the building or any part of it is used as an HMO, or the landlord or any person who is employed by him manages or is involved in the management of such an HMO."*
More importantly, the exclusion is also disapplied where the living accommodation **consists of more than one storey** and at least part of the building above (or below) the landlord's unit is occupied as a separate letting. Bristol City Council's licensing regime and the DCLG Circular 2006 guidance have consistently treated converted Victorian houses arranged in this way as not qualifying for the para.4 exclusion precisely because the **upper floors are structurally and functionally separate from the ground-floor flat**.
#### The Purpose-Built Flats Carve-Out
The ground-floor is described as a "flat" — if that flat is **self-contained** (own entrance, own facilities), this is arguably a **converted block of flats** rather than a simple house. Sch.14 para.4 expressly **does not apply to a purpose-built block of flats**, and by extension the HMO Orders treat converted blocks similarly where the units are self-contained. If the ground-floor flat is self-contained, the building falls outside the resident landlord exclusion entirely.
---
### Mandatory HMO Licensing Threshold (SI 2006/371 as amended by SI 2018/221)
Even if s.254(2) is satisfied, mandatory licensing requires:
- **Five or more persons** from **two or more households** — the 2018 amendment removed the "three storeys" requirement.
On the facts there are **four occupiers** (couple + son + lodger). That is **below the five-person threshold** for *mandatory* licensing. However:
- Bristol operates an **Additional Licensing Scheme** under HA 2004 s.56 covering HMOs with **three or more occupiers** from two or more households;
- The property would therefore require an **additional (discretionary) licence** under Bristol's scheme even if mandatory licensing does not apply.
---
### Conclusion
| Issue | Result |
|---|---|
| s.254(2) standard test satisfied? | **Yes** — the son's lodger breaks single-household status |
| Resident landlord exclusion (Sch.14 para.4) available? | **No, or very doubtful** — ground-floor flat is self-contained/converted block, and structural separation defeats the exclusion |
| Mandatory HMO licence required? | **No** — only four occupiers, below the five-person threshold |
| Additional licence required? | **Yes** — under Bristol's additional licensing scheme |
| Fit and proper person test | Applies to any licence application under s.66 HA 2004 regardless of licence type |
The owner's resident landlord argument fails. The upper-floor letting is an HMO under s.254(2). Licensing obligation turns on Bristol's additional scheme, not mandatory licensing.
Grader chain
Each grader reads the same baseline + enhanced pair and casts an independent verdict. Disagreement is the framework's own signal — not noise to be averaged away.
V1samba/DeepSeek-V3.2
BetterV5cerebras/qwen-3-235b-a22b-instruct-2507
BetterV7qwen2.5-coder-7b-instruct
BetterV8openai/gpt-4.1
BetterV9anthropic/claude-opus-4-7
WorseV12openai/gpt-4o
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