Fully remodeling a kitchen may not be feasible or even necessary sometimes. Here a few things you can do to freshen up your kitchen:

1. Replace cabinet hardware

2. Replace faucet 

3. Replace light fixture

4. Replace back-splash (or add)

5. Paint kitchen walls, ceilings, trims, moldings

If the budget allows, you can go the extra mile and also do the following:

6. Paint kitchen cabinets

7. Replace counter top