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From off-plan to tenant-ready on day one: letting a brand-new London flat

3rd July 2026
From off-plan to tenant-ready on day one: letting a brand-new London flat

Short answer: letting an off-plan London flat on day one is a sequence, not a scramble. Confirm the handover date, run the snagging walkthrough, get the compliance certificates in hand — Gas Safety Record, EICR, EPC, alarms — sort the utilities and meter handover, and have the flat marketed and live four weeks before it is ready.

This post walks the readiness sequence in the order it happens: preparing the flat, snagging, utilities, the certificates the law requires before move-in, and pricing and marketing the first let.

How do I get a new-build flat ready to let on day one?

Work backwards from two dates: the developer's handover date and the flat's available date. Everything else hangs off those.

The moment you have a firm handover date, we fix the launch day for the advert. Our proprietary three-year Rightmove and Zoopla dataset is unambiguous — serious tenant search peaks in the four weeks before a move, and a portal listing gets one shot at prime position, the day it first goes live. So the advert goes live four weeks before the flat is available, and we work backwards from there to book the photoshoot, the floor plan, the Giraffe 360 tour and the listing copy.

In parallel we run the operational track: the snagging walkthrough, the compliance certificates, the utility and meter setup, and the inventory. On a new-build these do not happen the way they do on a second-hand flat — which is exactly why they trip up landlords who treat a brand-new unit as an established one with fresher paint. The detail lives on our New-Build Specialists page; the ongoing side sits in property management.

What is snagging, and who pays for it?

Snagging is identifying and logging the defects a developer must put right after practical completion — a misaligned door, a chipped worktop, a tile in the wrong shade, an appliance that was not commissioned properly.

Here is the line that matters. Snagging defects are the developer's bill; ongoing maintenance is the landlord's. Route a warranty defect through your own contractor and you pay out of pocket for something the developer was obliged to fix at no cost. Miss the walkthrough and the first you hear of a leak is from an unhappy tenant.

We coordinate the walkthrough with you, the developer's site manager and our inventory clerk. Every defect is photographed, logged and routed to the party that owns it — and we hold that line through the warranty period, not just on day one. The full treatment is in the line between developer snagging and agent maintenance.

The developer's obligation is not open-ended. On most new London homes an NHBC Buildmark policy runs for ten years: the builder is responsible for putting defects right in the first two years, and NHBC insurance then covers specified structural defects for years three to ten. That first two-year window is exactly when the snagging discipline earns its keep — we log and chase defects while the developer, not you, still carries the bill.

How do the utilities work in a new-build rental?

Rarely the way they do in an older flat. Most modern central-London blocks run a communal heat network — heat-only, or heat-and-cooling — rather than an individual boiler, and many electricity and hot-water supplies sit on prepayment or smart meters rather than a conventional pay-on-bill account. Add mechanical ventilation with heat recovery (MVHR) and fibre-to-the-flat, and the handover is more involved than swapping a name on a utility bill.

Two things follow. Some supplies cannot simply be transferred out of your name and have to be handled at block level. And the meter-reading handover between developer, landlord and incoming tenant has to be captured accurately in the inventory, or the first billing cycle turns into weeks of avoidable friction. We front-load the utility setup and record the meter state on day one. The mechanics are in how utility management works on a London new-build.

What compliance certificates does a new-build rental need before move-in?

A new-build is new, but it is not exempt. The same statutory safety obligations apply as on any private rented home in England, and they must be satisfied before the tenant moves in. Four are load-bearing:

  • Gas Safety Record. If the flat has any gas appliance, a Gas Safe registered engineer must carry out an annual gas safety check on each appliance and flue, and you must give the tenant a copy of the record before they move in, or within 28 days of the check (gov.uk, "Your landlord's safety responsibilities"). A fully electric flat with a communal heat network may have no gas appliance at all — check what the developer has actually installed.
  • EICR (electrical). Under the Electrical Safety Standards in the Private Rented Sector (England) Regulations 2020, the fixed electrical installation must be inspected and tested at least every five years, and the report given to a new tenant before they occupy the property (gov.uk guidance; legislation.gov.uk). A new-build's first EICR sets the five-year clock.
  • EPC — minimum band E. Since 1 April 2020, a property covered by the domestic Minimum Energy Efficiency Standard cannot be let with an EPC rating below E, unless a valid exemption is registered (gov.uk, MEES landlord guidance). New-builds typically band well, but the certificate has to be in hand before marketing.
  • Alarms. A smoke alarm on each storey with a room used as living accommodation, and a carbon monoxide alarm in any room with a fixed combustion appliance — a gas or oil boiler, or a wood-burning stove, with gas cookers excluded. This duty widened on 1 October 2022, when the Smoke and Carbon Monoxide Alarm (England) Regulations 2015 were amended to extend the carbon-monoxide requirement beyond solid fuel to any fixed combustion appliance (gov.uk).

We won't let a brand-new flat before the compliance certificates are in hand — a fast let on a non-compliant flat is a liability, not a win. Getting the keys early is not a reason to cut the certificate work; it is the reason to start it sooner.

How should the first let be priced and marketed?

Priced carefully, marketed hard. A first let is the hardest pricing job in lettings: for a brand-new unit in a large development you have, at best, a handful of price points set by the developer in the same week, on units not yet let. There are no second-hand comparables and no track record of how the building performs once tenants are in. Thin comparable evidence is the core challenge, and the first let sets the benchmark the whole building anchors to.

So the marketing has to carry weight the comparables cannot. Our in-house Marketing Engine produces 30-plus photographs, HDR, floor plans, Giraffe 360 virtual tours, and listings that name the appliances — the Neff oven, the Siemens hob, the AEG dishwasher — because on a new-build the specification is the selling point. The pricing methodology for a thin-evidence first let is set out in pricing a new-build first let.

The day-one readiness checklist

Item Who owns it HWJ's role
Handover date and key collection Developer We fix the launch day off it and coordinate collection
Snagging walkthrough and defect log Developer (warranty defects) We run the walkthrough, photograph and route each defect
Gas Safety Record (if gas present) Landlord We arrange the Gas Safe check and hold the record
EICR (five-year, first inspection) Landlord We arrange the inspection and serve the report to the tenant
EPC (minimum band E) Landlord We confirm the certificate before the advert goes live
Smoke and CO alarms Landlord We verify placement against the statutory rules
Utilities, meters and MVHR handover Landlord / block We front-load setup and capture the meter state in the inventory
Inventory and check-in Landlord Prepared by our inventory partner, Urban Fox
First-let pricing and marketing Landlord (decision) We price on the evidence and run the Marketing Engine

Where to look next

The one-shot nature of a new-build first let makes the sequence above the difference between a tenant on day one and a void while you chase certificates. The wider operational picture is in new-build lettings in London, and the post-move-in service that keeps the flat compliant through the warranty period is aftercare. For the fee that covers our handover, compliance coordination and ongoing management, see Landlords.

Book a free new-build rental appraisal. Tell us the development and the handover date, and we will map the readiness sequence to your dates — request an appraisal or start on New-Build Specialists.

Sources

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