Sourcing everything from one supplier that stocks the full range, enclosure, heating, lighting, substrate and livefood, means the pieces are more likely to be sized and specified to work together from the outset, and there's one point of contact if something doesn't fit or arrives faulty. Northampton Reptile Centre's in-store and online range covers this full list in one place, and the team on the shop floor can check a full setup against a specific species before anything is bought, rather than leaving a new keeper to work out compatibility after the fact.
Strictly speaking, a terrarium originally referred to a planted enclosure built around live vegetation, closer to a small indoor garden than a housing unit for an animal. A vivarium, by contrast, technically refers to any enclosure built to house a living creature, whether that's a reptile, amphibian or invertebrate, with or without live planting. In practice, though, UK retailers and keepers use both terms fairly loosely, often depending on regional habit or supplier naming rather than any strict definition.
Choosing a species this way,
reptilecentre.com with the long view in mind rather than the first few weeks, tends to make for a better outcome for both keeper and animal.
For more detail, see this reptile supplies retailer.
Budgeting for all of this before deciding on a species avoids the common trap of buying an animal first and then finding the full setup runs well beyond what was expected, often in the low hundreds of pounds once heating, lighting and furnishings are all accounted for.
Get the full picture at the reptile shop.