Fed up living in a draughty house? Curious to find out how much draught proofing costs? Keep reading to learn more about the benefits of draught proofing, how to do it, and how much it'll set you back.

The easier way to book quality trades

Download app

If you've noticed a chill coming through your windows or an icy draught sneaking under your front door, you're not imagining it - and you're certainly not alone.

Draughts are one of the most common causes of heat loss in UK homes, and tackling them is one of the quickest, most cost-effective ways to cut your energy bills.

In this guide, we'll walk you through exactly what professional draught proofing costs in 2026, which areas of the home are worth prioritising, and what to look for when hiring a tradesperson.

Draught proofing costs at a glance

Whether you want a full-house treatment or just want to sort out a particularly draughty room, you'll find everything you need here.

Here's a quick overview of typical professional draught proofing costs for the most common areas of the home:

These are average figures for professional installation. Costs will vary depending on the size of your home, access, materials used, and where you live in the UK. We'll cover all of that in more detail below.

What affects the cost of draught proofing?

No two homes are the same, which is why draught proofing quotes can vary quite a bit. Here are the main factors that will influence what you pay:

Size and number of areas treated

The more windows, doors, and gaps you need sealing, the more materials and time are involved. A small flat with two or three sash windows will cost considerably less than a large Victorian terrace with draughts in every room.

Type of materials required

There's a range of draught proofing products on the market - from basic self-adhesive foam strips to more durable brush seals and compression strips. Better-quality materials cost more upfront but tend to last longer and perform better.

Complexity of access

Tight or awkward spaces - like gaps behind skirting boards, beneath suspended timber floors, or around older chimney stacks - take more time to work on and may require specialist equipment. This can push the cost up.

Property type and age

Older properties, listed buildings, and conservation area homes often need extra care. A Victorian sash window, for example, requires specialist draught proofing that costs more than a standard modern casement. Always mention your property type when getting quotes.

Your location in the UK

Labour rates vary across the country. Tradespeople in London and the South East tend to charge more than those in other regions, so expect some variation in the quotes you receive.

Job Estimate Calculator

Get Started

Step 0/3

Draught proofing costs by area

Let's look at each part of the home in more detail.

Windows

Draughty windows are usually sorted with weatherstripping or caulk to seal gaps around the frame. For standard windows, this typically costs around £50 per window for professional installation.

Sash windows are a specialist job and will cost significantly more.

Doors

External doors are a major source of heat loss. A stormguard seal on the frame, plus letterbox and keyhole covers, will set you back around £100 per door for a professional installation. It's a small investment that pays back quickly.

Chimneys

An unused chimney is essentially an open hole in your ceiling - warm air rises straight out. There are two main options:

• A chimney pot cover fitted externally, costing around £150

• An internal excluder (such as a chimney balloon), costing around £50 per chimney

Floors

Suspended timber floors with gaps between the boards can let in a surprising amount of cold air, especially in older homes. Filling those gaps typically costs around £100 for three average-sized rooms.

Tip: Laying a large, thick rug is a simple and stylish way to add an extra layer of insulation to wooden floors.

Loft hatch

Heat rises, and a poorly sealed loft hatch can let it escape. Having this draught-proofed professionally typically costs around £50 - a small job that's well worth doing if you're already having other work done.

Find loft hatch fitters near me

In this guide, we help you find reputable loft hatch fitters near you to ensure safe and secure access to your loft. You should always hire an experienced professional for this job. Read on to discover how to find approved services in your area. Want to get started finding experienced loft hatch

Learn more

What's included in a professional draught proofing quote?

When you receive a quote from a draught proofing specialist, it should typically include:

• A survey of the areas to be treated

• Labour costs for installation

• Materials (draught strips, sealant, letterbox covers, etc.)

• Disposal of any old or damaged seals

• A breakdown of what's covered and what's excluded

It's worth asking upfront whether the quote covers all materials or whether there are any additional costs for specialist products. A good tradesperson will be transparent about this.

Need more renovation advice? Whether your home is Georgian, Victorian, or Edwardian, Checkatrade can help. From hiring services like period property renovation to a heritage property specialist, we’ve got you covered.

Additional costs to budget for

Depending on your property and the scope of the work, there may be some extra costs to factor in beyond the core draught proofing:

• Repairs to rotten or damaged frames before seals can be applied

• Replacement letterboxes or door furniture if existing fittings are worn

• Specialist access equipment for hard-to-reach areas

• Parking charges if the tradesperson is working in a city centre location

• Additional ventilation solutions if the property needs controlled airflow (particularly important in older properties)

It's always worth mentioning any quirks about your property when requesting quotes - listed status, unusual materials, or limited access - so there are no surprises on the day.

Every Checkatrade job is backed by our £1,000 guarantee

Up to £1000. Eligibility criteria and T&C’s apply.

How much could you save on energy bills?

This is usually the question people ask after they've seen the costs - and it's a fair one. The good news is that professional draught proofing can deliver real, measurable savings.

According to the Energy Saving Trust, professional draught proofing of windows and doors can save around £85 a year on energy bills in Great Britain (£80 in Northern Ireland). If you also tackle an unused chimney, you could save a further £60 a year on top of that.

DIY vs professional draught proofing

There's nothing stopping you from tackling some draught proofing yourself - and for simple jobs like fitting a door brush or applying foam strips to a window frame, it can be a perfectly effective and affordable option.

That said, there are good reasons to hire a professional, particularly if:

• You have older or listed property that requires specific materials or methods

• You're not sure where the draughts are coming from

• You want a thorough, whole-house treatment done efficiently

• You're working with sash windows or suspended floors, which are trickier to draught-proof correctly

A professional will know exactly which products to use and where, and is less likely to miss the less obvious sources of heat loss.

For older buildings especially, getting it right matters - the wrong materials can affect ventilation and moisture levels.

Draught proofing cost checklist

Before you get quotes, use this checklist to make sure you've covered all the bases:

• Count how many windows need attention (and whether any are sash)

• Check all external and internal doors for draughts

• Identify whether you have any unused chimneys

• Check floorboards for gaps, especially in older rooms

• Note whether your loft hatch feels cold to the touch

• Think about whether your property has any listed or conservation area restrictions

• Get a few quotes from checked and reviewed tradespeople

• Ask each tradesperson to confirm what's included and excluded in their quote

Draught exclusion checklist

• How many windows or doors need work?

• Is there anything you can fix with a simple excluder?

• Do you have unused chimneys?

• Are there gaps in floorboards?

• Do you have a loft hatch?

• Are there any restrictions on your property due to age or location?

• Have you asked for a few quotes?

How to find a reliable draught proofing specialist

Choosing the right person for the job makes all the difference. Here's what to look for:

• Check they have relevant experience with your property type

• Ask to see examples of previous work or read recent reviews

• Verify they hold public liability insurance

• Get a minimum of three written quotes so you can compare fairly

• Look for tradespeople who have been independently checked and reviewed - Checkatrade members undergo up to 12 background checks before they can join

Ready to get started? Search for draught proofing specialists near you on Checkatrade, compare reviews, and get free quotes from trusted local tradespeople.

Frequently asked questions

How much does professional draught proofing cost for a whole house?

A professional draught proofing treatment for a whole house will depend on the number of windows, doors, and other areas that need attention. Larger or older properties will usually cost more.

Is draught proofing worth the cost?

Yes - for most homes, it's one of the most cost-effective energy efficiency improvements you can make. Professional draught proofing of windows and doors has an impact on the temperature in a home, so you can often turn the thermostat down. This means the work usually pays for itself within a couple of years at most.

How long does draught proofing last?

A professional installation should last several years. The lifespan depends on the materials used and the location - seals on a heavily used front door will wear faster than those on a rarely opened window. It's worth checking seals every year or two for signs of wear.

What does it cost to draught proof pipework?

If you've noticed gaps around the pipework to your radiators, this is another area that needs draught proofing. Silicone filler can be applied to these gaps, costing around £50to do. Larger gaps will require an expanding polyurethane foam.

Can you draught proof old extractor fans?

An old extractor fan left idle will let cold air flow into your home so it's often worth removing it. To take out an old extractor fan, replace the exterior hole with new brickwork, and apply a plaster finish internally will cost in the region of £400.

Do I need planning permission for draught proofing?

For most homes, no. Draught proofing is considered routine maintenance and doesn't require planning permission. However, if you live in a listed building or conservation area, it's always sensible to check with your local authority before starting work - particularly if you're planning to alter the appearance of windows or doors.

Can draught proofing cause damp or condensation problems?

Done correctly, no. However, it's important that ventilation isn't completely blocked, as homes need a degree of controlled airflow to manage moisture levels. A good tradesperson will take this into account and advise on the right balance for your property, particularly in older homes where breathable materials are important.

How do I know if I need professional draught proofing or can DIY it?

For straightforward jobs - like fitting a door brush or applying self-adhesive strips to a standard window - DIY is perfectly viable. If you have sash windows, suspended floors, chimneys, or an older property, it's worth bringing in a professional who knows the right materials and methods to use.

Checkatrade

Follow us

More Draught Proofing Articles

How to stop draughts in windows

12 Home hacks to cut your bills in 2026

Retrofit insulation costs in 2026

View all