Koncore – Boiler Repair
Fast Repairs
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Same Day Response
Step 1 of 11 Issue Type

Let's get started

What's the main boiler issue?

Choose the option that best describes what's happening.

No Heating
Radiators are cold or heating won't come on.
No Hot Water
Taps or shower are not getting hot water.
Leaking Boiler
Water around or underneath the boiler.
Low Pressure
Pressure gauge is too low or keeps dropping.
Fault Code / Error
A code or warning is showing on the display.
Strange Noise
Banging, kettling, vibrating or unusual sounds.
Boiler Not Igniting
Boiler clicks but won't fire up or start.
Other / Not Sure
Something else is wrong — describe below.
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Same day response
Gas Safe engineers

Urgency

How urgent is it?

We'll prioritise emergency breakdowns first.

Emergency
No heating or hot water and need urgent help.
Partially Working
Boiler still works a bit but there is clearly a fault.
Not Urgent
I want it checked but it's not an emergency.

Pressure Check

What is the boiler pressure showing?

If you're not sure, choose the closest option.

0 / No Pressure
Gauge is near zero.
Below 1 Bar
Low pressure reading.
Normal
Pressure looks okay.
Not Sure
Can't tell from the gauge.

Fault Code

Is there an error code showing?

This helps us diagnose the likely issue before we call you.

Yes — I Can See a Code
There is a fault code or warning on the display.
No Code Showing
No error code visible on the display.
Not Sure
I'm not sure if a code is showing.

Fault Details

Enter the error code

Example: F75, EA, E1, F22 — check your boiler display.

The error code is usually displayed on your boiler's screen or panel. Even a partial code helps our engineer prepare.

Boiler Details

What brand is your boiler?

Helps us prepare the right parts and tools before we arrive.

Worcester Bosch
Vaillant
Ideal
Baxi
Glow-worm
Other / Not Sure

Boiler Age

How old is the boiler?

Helps us judge whether repair or replacement is more cost-effective.

0–5 Years
Relatively new
6–10 Years
Mid-age
11–15 Years
Getting older
15+ Years
May need replacing

Property

What type of property is this?

Helps us understand access and likely setup.

House
Flat / Apartment
Maisonette
Commercial / Other

Extra Detail

Anything else we should know?

Optional but helpful. E.g. reset not working, leak underneath, code appears after heating starts.

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 contact you?

A Gas Safe engineer will review your details and get back to you as soon as possible.

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

Repair Request Sent!

A Gas Safe engineer will review your details and contact you shortly. Emergency breakdowns will be prioritised.

Your Submission Summary
Issue—
Urgency—
Pressure—
Error Code—
Brand—
Boiler Age—
Property—
Postcode—
Name—
Email—
Phone—

Need urgent help? Call us on 020 7108 6322