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London · HMO-dense + Article 4

SW16: letting and licensing

Streatham edge, Graveney, Longthornton, Norbury & Pollards Hill. SW16 covers Streatham edge, Graveney, Longthornton, Norbury & Pollards Hill within London Borough of Merton, classified here as a hmo-dense + article 4 postcode. The outward code also reaches Croydon, Lambeth and Wandsworth, where London Borough of Merton licensing does not apply: an outcode is a postal area, not a council boundary, so check the address rather than the postcode. Licensing rules depend on whether the property is a mandatory HMO, an additional HMO, or falls inside a selective licensing designation — and the practical compliance pressure varies by profile. This page brings together the national duties that always apply, local licensing context for London Borough of Merton, the risk profile specific to SW16, and a step-by-step checklist tailored to that profile so you can work through everything before each new tenancy.
Council
London Borough of Merton
Profile
HMO-dense + Article 4
Reviewed

Who rents here

Shared houses common; Graveney, Longthornton and Pollards Hill are in both Merton schemes.

HMO-dense + Article 4

HMO conversions and shared houses dominate the stock. Article 4 Direction means a new C3-to-C4 conversion needs full planning permission, not permitted-development rights. Mandatory and additional HMO licensing combine, and councils run unannounced fire-safety and overcrowding inspections regularly.

Coverage

What SW16 actually covers

Electoral wards touched by the outward code, from the ONS postcode directory, checked 18 September 2026. Licensing designations are drawn by ward, so this is the list to match your address against.

Bensham ManorFurzedownGraveneyKnight’s HillLongthorntonNorbury ParkNorbury & Pollards HillSouth BalhamStreatham Common & ValeStreatham Hill EastStreatham St Leonard’sStreatham Wells

SW16 crosses a council boundary. It falls in Croydon, Lambeth, Merton, Wandsworth, and nothing London Borough of Merton designates applies to the Croydon or Lambeth or Wandsworth part of it. Check the address, not the postcode.

Before you let

The pre-tenancy checklist for SW16

Work through it before the property is advertised. One missed step can block a possession ground, trigger a Rent Repayment Order or void the insurance.

  1. Confirm licensing type on the council checker

    Open the London Borough of Merton landlord licensing page, run the full postal address inside SW16, and capture a dated screenshot of the result for your records.

  2. Gas Safety (CP12) - annual

    Valid Gas Safety Record in place; new tenants must receive a copy before move-in and current tenants within 28 days of the check.

  3. EICR - every 5 years

    Electrical Installation Condition Report must be satisfactory. Issue C1 / C2 remedials within 28 days and keep written confirmation.

  4. EPC / MEES - band E minimum (C by 2030)

    Confirm a valid EPC and exemption status if applicable. Plan works early for the confirmed C-band MEES uplift by 1 October 2030.

  5. Deposit protection within 30 days

    Protect any deposit in TDS, DPS or MyDeposits and serve Prescribed Information; failure blocks most Section 8 possession grounds and unlocks tenant claims.

  6. Right to Rent before tenancy starts

    Run manual, IDVT or Home Office online checks for every adult occupier and keep dated evidence for the tenancy duration plus one year.

  7. Fire safety for HMO / shared lets

    Interlinked smoke + CO alarms, fire doors, emergency lighting on escape routes, PAT for supplied electricals and a recent fire risk assessment.

  8. Article 4 planning check before any HMO conversion

    Confirm whether the council has an Article 4 Direction in force on the date of the property’s exchange / completion. Where Article 4 applies, a C3-to-C4 conversion needs full planning permission — permitted-development rights have been removed. A retrospective application costs the same as a fresh one, and refusal can require reverting the property at your cost.

  9. Mandatory + additional HMO licence layering

    Run BOTH the mandatory HMO test (5+ persons / 2+ households) AND the council’s additional HMO scheme (often 3+ unrelated occupants in designated wards). They run in parallel and a single property can need both stacked decisions. Rent Repayment Orders attach to whichever licence is missing.

Licensing here

What is in force across London Borough of Merton

Designations are drawn by ward and sometimes by street, so a postcode is never the answer. The only authoritative source for an address in SW16 is the council’s own checker.

  • Mandatory HMO licence where the property is an HMO and five or more people live there forming more than one household
  • Additional HMO licence where three or four people live there forming more than one household, in Colliers Wood, Cricket Green, Figge’s Marsh, Graveney, Lavender Fields, Longthornton or Pollards Hill
  • Selective licence where the property is occupied by a single household and sits in Figge’s Marsh, Graveney, Longthornton or Pollards Hill
  • An Article 4 direction means converting a home from class C3 to a C4 HMO for three to six occupants needs planning permission in the same seven wards
  • A temporary exemption can be applied for where the property will stop being licensable within three months

National duties

The duties that apply in SW16 whatever the council does

A licence sits on top of these. Renewal cycles and maximum penalties are the same everywhere in England.

DutyRenewalMaximum penalty
Gas SafetyGas Safety (Installation and Use) Regulations 1998Every 12 monthsUnlimited fine + up to 2 years in prison
EICRElectrical Safety Standards in the Private Rented Sector (England) Regulations 2020Every 5 years£40,000 per property
EPCEnergy Efficiency (Private Rented Property) (England and Wales) Regulations 2015Every 10 years / on new tenancy£5,000 per property
DepositHousing Act 2004, as amended by the Localism Act 201130 days from receipt1-3× deposit as damages
Right to RentImmigration Act 2014, amended by Immigration Act 2016Before tenancy startsUp to £20,000 per occupant
Section 8Housing Act 1988, s.8 (as amended by Renters’ Rights Act 2025)When seeking possessionPossession refused if compliance missing
RRA 2025Renters' Rights Act 2025 (Royal Assent 27 Oct 2025; principal commencement 1 May 2026)Phase-in from 1 May 2026£7,000 → £40,000 (serious/repeat) + unlimited criminal

Common pitfalls

What goes wrong in SW16

The mistakes that recur in hmo-dense + article 4 postcodes like this one.

Permitted-development misconception

Many landlords still assume a C3-to-C4 conversion is permitted development. Inside an Article 4 area it is not, and a council can require the property be reverted at the landlord’s cost.

Stacked Rent Repayment Orders

Where both the mandatory HMO licence and the additional HMO licence are missing, the FTT can issue separate Rent Repayment Orders — each up to two years’ rent.

Single-deposit-for-shared-house trap

If five sharers each pay an equal deposit but it is registered as one tranche under one tenant’s name, the protection is defective for the other four — each can claim the 1–3× penalty.

FAQs

SW16: the questions landlords ask

Is SW16 subject to an Article 4 Direction for HMO conversions?

SW16 sits inside an area where London Borough of Merton has either an active Article 4 Direction or a longstanding additional HMO scheme — in practice this means a C3-to-C4 conversion needs full planning permission rather than relying on permitted development. Confirm the exact street on the council Article 4 map: even a single road can sit just outside the designated zone.

Does SW16 fall under selective or additional licensing in London?

It depends on the exact address and property type. London Borough of Merton publishes a postcode or ward checker. SW16 includes Streatham edge, Graveney, Longthornton, Norbury & Pollards Hill. The outward code also reaches Croydon, Lambeth and Wandsworth, which is a different licensing authority. Run the full postal address on the council checker before assuming no licence is required: designations are drawn by ward or street, not by postcode.

What national UK landlord duties apply in SW16?

England-wide duties apply regardless of local licensing: Gas Safety (annual CP12), EICR every 5 years, EPC band E minimum (MEES), deposit protection within 30 days, Right to Rent checks before move-in, and smoke + CO alarm rules. Get any of these wrong and Section 21, RROs and civil penalties all follow.

Is SW16 a high-enforcement postcode area?

Student, HMO-dense and regeneration postcodes in London typically see more unannounced inspections, licence audits and follow-ups from environmental health. Keep certificates, licences and tenant documents in one place and renew before expiry. Unlicensed letting can attract civil penalties up to £40,000 and Rent Repayment Orders of up to two years' rent.

How much is a landlord licence in SW16?

The fee is set by London Borough of Merton for each scheme it runs, and it is usually split into an amount payable with the application and a second amount payable before the licence is granted. Some councils discount an early renewal or an accredited landlord. Where we have the current figure it is printed on the council page above; otherwise take it from the council's own fees page, because fees change between designations.

Do I need planning permission to convert into an HMO in SW16?

If the council area is subject to an Article 4 Direction for C3 to C4 use, you need full planning permission to let to 3 or more unrelated sharers. London Borough of Merton publishes its Article 4 map. Large HMOs (sui generis, 7+ sharers) always need planning permission.

Can I use Section 21 in SW16 after the Renters Rights Act?

No. Section 21 was abolished on 1 May 2026 across England, including London, and every assured shorthold tenancy became an assured periodic tenancy, so possession now runs on a Section 8 ground. The deposit still matters: section 215 of the Housing Act 2004, as substituted by the Renters’ Rights Act 2025, blocks a possession order while a deposit is unprotected or the prescribed information has not been given, on every ground except 7A and 14. A missing gas record or EPC does not bar a Section 8 claim, though it is an offence in its own right and a tenant can raise it in defence of a disrepair or possession case.

What insurance should I have for a let property in SW16?

Specialist landlord buildings insurance with landlord liability (often £2m+), optional contents for furnished items, loss of rent and legal expenses. For HMOs, check the insurer explicitly covers HMO use and the number of occupants - standard buy-to-let policies often exclude HMOs.

Reviewed by Erdem Volkan, last checked 19 April 2026. General information about letting in this area, not advice on a specific property or dispute.

Nearby

Other London Borough of Merton postcodes

Same council, different streets, and sometimes a different designation.

Run a let through it

Everything on this page, tracked for your SW16 property

The licence, the certificates and their renewal dates sit alongside the advert, the tenancy, the rent and arrears, the repairs and the tax figures, in one place rather than five. Free for one property, no card needed.