PRETIRA
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16Collateral field

Main fuel in lending decisions.

Main fuel gives the primary heating fuel recorded for the property, published declared with 67.51% coverage across England and 57.46% across Northern Ireland. Attribution and refresh period are in the dictionary.

Core tierDeclaredEngland 67.51%N. Ireland 57.46%Refresh Quarterly

Pretira publishes main fuel declared at 67.51% coverage across England, 57.46% across Northern Ireland, refreshed quarterly.

16.1Decision rule
// routing pattern
IF main_fuel != "Mains Gas" -> flag for retrofit and running-cost review

The sample record returns mains gas; an off-gas property is a prompt for a closer look at running costs and retrofit potential.

16.2Where it bites
01

Retrofit and heating-transition product design.

02

Running-cost and disclosure context.

03

Portfolio views by heating type.

16.3Provenance

Declared from the energy record where present. Refresh is quarterly, rendered from the dictionary.

Class: Declared · Refresh: Quarterly · England: 67.51% · N. Ireland: 57.46%

›GET /property/999000000001sandbox: true
property.energy.main_fuel"Mains Gas"
property.energy.current_energy_rating_declared_and_predicted"D"
property.energy.monthly_energy_cost131
Sample record only - 1 Cedar Street, CH1 1MN. Deterministic synthetic data. No live call from this page.
16.4Related fields
Current energy rating (declared and predicted)CoreMonthly energy bill estimateCorePotential energy rating (declared and predicted)CoreFloor area (declared and predicted)Core
16.5FAQ

Three questions on this field.

The energy record where a certificate exists; the coverage column states where the record reaches.

Yes, for retrofit routing and portfolio segmentation.

Covered where the energy record reaches; the coverage column states the figure per nation.

Core tier. Routing rules on this page are illustrative patterns; coverage figures render from the dictionary. Dictionary: July 2026.

Review this field before you deploy it.

Start with a synthetic record or a controlled standard sample. We will show the field provenance, coverage and testing, then scope the production route.

Request a controlled sampleSee commercial routes