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A structure such as a house or school that has a roof and walls
Building
To have enough money to be able to buy or do something
Afford
A document that shows how much you owe somebody for goods or services
Bill
A person who owns their house or flat
Homeowner
Not new; owned by somebody else before
Secon-hand
The hard material that the trunk and branches of a tree are made of; this material when it is used to build or make things with, or as a fuel
Wood
The art and study of designing buildings
Architecture
A machine that cools and dries air
Air conditioner
The protection of the natural environment
Conservation
The act of investing money in something
Investment
Wet earth that is soft and sticky
Mud
Not objecting to doing something; having no reason for not doing something
Willing
To travel regularly by bus, train, car, etc. between your place of work and your home
Commute
To become better than before; to make something/somebody better than before
Improve
A piece of equipment, often on the roof of a building, that uses light and heat energy from the sun to produce hot water and electricity
Solar panel
The intention, aim or function of something; the thing that something is supposed to achieve
Purpose
A person or company that buys land or buildings in order to build new houses, shops, etc., or to improve the old ones, and makes a profit from doing this
Developer
To make a machine, computer system, etc. more powerful and efficient; to start using a new and better version of a machine, system, etc.
Upgrade
An advantage that something gives you; a helpful and useful effect that something has
Benefit
An agreement made between two people or groups in which each side gives up some of the things they want so that both sides are happy at the end
Compromise
T general direction in which a situation is changing or developing
Trend
A group of people who are chosen, usually by a larger group, to make decisions or to deal with a particular subject
Committee
The quality of doing something well with no waste of time or money
Efficiency
Fuel such as coal or oil that was formed over millions of years from parts of dead animals or plants
Fossil fuel
Likely to last for a long time without breaking or getting weaker
Durable