London Boiler Installation & Repairs | Fixed Price Quote in 60 Seconds | Koncore Plumbing & Heating
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Step 1 of 17 Fuel Type

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Which fuel powers your boiler?

This helps us match you with the right engineer and system.

Mains Gas
Connected to the national gas grid — most common in UK homes.
LPG
Liquid Petroleum Gas — stored in tanks, common in rural areas.
No obligation
2 minutes
Free quote

Your Requirement

What do you need done?

Select the option that best describes your situation.

Replace Existing Boiler
Swap out your current unit with a new one.
New Installation
Installing a boiler for the first time — new build or conversion.

Boiler System

What type of boiler do you have?

Not sure? Check the label on your current unit — we can advise you.

Combi
No hot water tank. Heats on demand.
System
Has a hot water cylinder.
Regular
Has cylinder and cold water tank.
Not Sure
Engineer will assess on-site.

Your Property

What type of property is it?

This helps us size the right boiler for your home.

Detached
Semi-Detached
Terraced
Flat / Apartment

Property Size

How many bedrooms?

Used to calculate the correct boiler output (kW) for your home.

1 – 2
Small home
3
Mid-size home
4
Large home
5+
Very large

Hot Water Demand

How many bathrooms?

Helps determine the hot water demand for your property.

1
Single bathroom
2
Two bathrooms
3
Three bathrooms
4+
Four or more

Bathing Facilities

How many bathtubs?

Bathtubs require higher flow rates — this affects boiler sizing.

None
Showers only
1
One bathtub
2
Two bathtubs
3+
Three or more

Boiler Location

Where is the boiler currently located?

Location affects installation complexity and cost.

Kitchen
Utility Room
Airing Cupboard
Garage / Loft

Installation Detail

Keep the boiler in the same location?

Moving a boiler involves additional pipework and increases cost.

Yes – Same Location
Keep the boiler exactly where it is now.
No – Move It
Relocate the boiler to a different spot.
Not Sure Yet
Engineer will advise during survey.

Flue Details

Where does your boiler flue exit through?

The flue carries waste gases out of your property. This affects installation requirements.

External Wall
Flue exits horizontally through an outside wall — most common.
Through the Roof
Flue exits vertically upward through the roof — common in flats.

Flue Safety Check

How close is your flue to a door or window?

Gas safety regulations require minimum distances from openings.

More than 30cm
Flue is at a safe distance from all doors and windows.
Less than 30cm
Our engineer will assess compliance with Gas Safety Regulations.
Not Sure
Engineer will check on survey visit.

Roof Type

Does your flue go through a flat or pitched roof?

Only relevant if your flue exits through the roof. Roof type determines the flue kit required.

Flat Roof
Horizontal roof surface — common in flats and extensions.
Pitched Roof
Sloped / angled roof — standard on most UK houses.
Not Applicable
My flue exits through the wall, not the roof.

Current Boiler

What brand is your current boiler?

Helps our engineer prepare the right parts and tools.

Worcester Bosch
Vaillant
Baxi
Other / Not Sure

Boiler Age

How old is your current boiler?

Affects replacement priority and engineer preparation.

0 – 5 Years
Relatively new
6 – 10 Years
Mid-age
11 – 15 Years
Getting older
15+ Years
Overdue for replacement

Timing

When do you need the work done?

We'll prioritise your booking accordingly.

ASAP – Emergency
My boiler has broken down, no heating or hot water.
Within 1–2 Weeks
My boiler still works but I want to replace it soon.
1–3 Months
Planning ahead and comparing quotes.

Your Location

What's your postcode?

We'll check engineer availability in your area.

We currently cover all London boroughs and surrounding areas within the M25.

Almost Done!

Where shall we send your quote?

A Gas Safe engineer will send you a fixed-price quote within 2 hours.

By submitting you agree to our privacy policy. We'll never share your data with third parties without consent.

Quote Requested!

A Gas Safe engineer will review your details and send a fixed-price quote within 2 hours. Check your email for confirmation.

Your Submission Summary
Fuel Type
Job Type
Boiler Type
Property
Bedrooms
Bathrooms
Bathtubs
Flue Exit
Flue Distance
Roof Type
Urgency
Postcode
Name
Email
Phone

Questions? Call us on 020 7108 6322