The Landlord's Guide to Sealing Windows and Doors: Tips For Creating an Energy Efficient Rental
As a landlord, maintaining and improving your property is crucial for both attracting and retaining tenants. One of the key aspects of property maintenance that is often overlooked is the sealing of windows and doors. Not only does this create an energy efficient rental, but it also enhances tenant comfort and can even increase the property's value.

This guide will walk you through the importance, benefits, and basic steps of sealing windows and doors in your rental properties.
At Energy Saving Grants, we help homeowners, landlords, and tenants to access the latest energy efficiency grants avaiable. You could be eligible for FREE heating upgrades, insulation, solar panels and more. Use our grant checker form below to see if you qualify and a member from our grants team will be in touch.
The Importance of Proper Sealing
Proper sealing of windows and doors is essential for several reasons:
Energy Efficiency: Unsealed windows and doors can lead to significant heat loss during the winter and cool air loss in the summer. By sealing these gaps, you can reduce energy consumption, which is not only good for the environment but also for your (or your tenant’s) wallet.
Tenant Comfort: Drafts from unsealed windows and doors can significantly affect the comfort level in a home. By ensuring these are well-sealed, you provide a more comfortable living environment, which tenants will appreciate.
Preventing Moisture and Damage: Gaps in windows and doors can allow moisture to enter, potentially leading to issues like mold, mildew, and structural damage. Sealing these gaps helps in preventing such problems.
Noise Reduction: Sealing can also reduce noise pollution from outside, making the living space quieter and more peaceful.
Step-by-Step Guide to Sealing
Tools and Materials Needed
Caulk and caulking gun
Weather stripping
Sealant for doors and windows
Putty knife
Cleaning supplies
Step 1: Inspect and Prepare
Inspect all windows and doors for gaps, drafts, or damaged seals. Clean the areas to be sealed thoroughly, as dirt and grime can prevent sealants from adhering properly.
Step 2: Apply Caulk
For any gaps in the window frame or between the frame and the wall, apply caulk. Hold the caulking gun at a 45-degree angle and apply the caulk smoothly, ensuring it fills the gap completely.
Step 3: Install Weather Stripping
Apply weather stripping around the movable parts of windows and doors. Make sure it's tight enough to stop drafts but still allows the window or door to open and close easily.
Step 4: Seal Door Bottoms
Use a door sweep or threshold seal to cover the gap between the bottom of the door and the floor. This is especially important for exterior doors.
Benefits of Sealing Windows and Doors
Reduced Heating and Cooling Costs: Properly sealed windows and doors can significantly reduce the costs of heating and cooling the property, making it more attractive to cost-conscious tenants.
Increased Property Value: Properties with good energy efficiency ratings are more attractive in the real estate market. This improvement can enhance the overall value of your property.
Extended Lifespan of HVAC Systems: By reducing the workload on heating and cooling systems, you can extend their lifespan and reduce maintenance costs.
Attracting Eco-Conscious Tenants: With an increased focus on sustainability, tenants often look for properties that are energy-efficient and environmentally friendly.
Discover More Ways to Create an Energy Efficient Rental
Sealing windows and doors is a relatively simple and cost-effective way to improve the energy efficiency of your property, enhance tenant comfort, and potentially increase its value. By following this guide, you can ensure that your property remains competitive, comfortable, and cost-effective for years to come. At Energy Saving Grants, we help homeowners, landlords, and tenants to access the latest energy efficiency grants avaiable. You could be eligible for FREE heating upgrades, insulation, solar panels and more. Use our grant checker form below to see if you qualify and a member from our grants team will be in touch.