Havant Boiler Repair Professional boiler repairs and installations serving Havant, Leigh Park and Wat
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Combi Boiler Installation in Havant

Professional combi boiler installation service in Havant.

Call us on 0333 015 0000

⚡ Engineers available today - no call-out fee

Home › Boiler Installation & Replacement › Combi Boiler Installation

Combi boiler installation in Havant. The most popular choice for UK homes. Hot water on demand, no tank required.

Havant Boiler Repair provides professional combi boiler installation services across Havant and surrounding areas. Our fully insured engineers carry parts on every van and provide upfront quotes before any work begins.

For combi boiler installation in Havant, call 0333 015 0000. We aim to respond within 2 hours for emergencies, or within 2 working days for non-urgent work. Our opening hours are Monday to Thursday 8:30am-6pm and Friday 9am-4pm.

✅ Same or next day 💷 Upfront pricing 🛡️ Fully insured

What to Consider Before a New Boiler

1

Work out your hot water demand

Count how many bathrooms, showers, and radiators you have. A 1-bed flat needs a much smaller boiler than a 4-bed house with two bathrooms. Oversizing wastes gas. Undersizing means lukewarm showers. We'll do a proper heat loss calculation on site.

2

Decide if you want to move the boiler

Relocating the boiler to a different room or wall adds cost but can free up valuable space. Moving it changes the flue route and pipework runs. Tell us upfront if you're considering a move so we can price it accurately.

3

Check what controls you want

Modern boilers work with smart thermostats like Hive, Nest, or Tado. These let you control heating from your phone and can cut gas bills by 10-15%. Decide now rather than retrofitting later. We can install the thermostat at the same time as the boiler.

4

Plan for the installation day

A straight swap takes 1 day. If we're moving the boiler or upgrading the system, allow 2-3 days. You'll have no heating or hot water while the old boiler is removed and the new one is fitted and commissioned. Plan around this in cold weather.

What We Provide

Gas Safe Registered Engineers

All our engineers hold current Gas Safe certificates for combi boiler installation work. We're familiar with the mix of Victorian terraces and 1960s properties around the local area, plus newer developments near the riverside.

Building Control Notification

We handle the Building Control notification required for new boiler installations under Part L regulations. This includes commissioning certificates and benchmark data for your records.

System Flushing and Treatment

Power flushing of existing radiator systems before connecting your new combi boiler. Essential for older properties around local suburbs Road and Bishopton areas where sludge buildup can damage new equipment.

Flue and Condensate Installation

Proper flue positioning to meet minimum distances from windows and boundaries. Condensate drainage solutions for properties without easy access to drains, common in terraced streets off the High Street.

Signs You Need a New Combi Boiler

⚠️

Frequent pressure loss

If you're topping up the pressure weekly, the heat exchanger may be failing internally. Older combis in hard water areas around the local area often develop pinhole leaks in the primary heat exchanger after 10-12 years.

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Hot water temperature fluctuations

Water going from scalding to lukewarm during showers indicates the domestic hot water sensor or diverter valve is failing. This is particularly noticeable in properties with low mains pressure, common in older areas near Ropner Park.

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Boiler cycling on and off rapidly

Short cycling where the boiler fires up then shuts down after a minute suggests the heat exchanger is partially blocked or the pump is failing. Often accompanied by kettling noises from limescale buildup.

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Yellow flame or sooting

A healthy gas flame burns blue. Yellow flames or black marks around the boiler case indicate incomplete combustion, which is dangerous and requires immediate shutdown and replacement rather than repair.

Preparing for Combi Installation

Clear access to existing boiler location

Remove items from around your current boiler and the route to the new position. Many local properties have boilers in kitchen cupboards or utility rooms where space is tight for removing old equipment.

Check loft access for new pipework

We may need loft access to run new gas supply or upgrade heating pipework. Ensure the loft hatch is accessible and clear a path if you have boarded storage areas above the installation route.

Locate your gas meter and stopcock

Know where your gas meter is positioned and ensure it's accessible. Properties in the Newtown area often have external meters, while Victorian terraces typically have internal meters near the front door.

Consider radiator upgrades

Older single-panel radiators may need upgrading to double panels to work efficiently with a new combi system. We'll assess this during our survey, particularly in properties with solid walls and no cavity insulation.

Combi Installation Process

1

System survey and gas supply check

We test the existing gas supply capacity and measure pipe runs to ensure adequate flow rates for the new boiler. Properties built before 1970 often need gas pipe upgrades from 15mm to 22mm for modern high-output combis.

2

Remove existing boiler and tanks

Drain down and disconnect the old system, removing hot water cylinders and header tanks typically found in lofts of older properties. This frees up valuable storage space in compact local homes.

3

Install new pipework and controls

Run new heating flow and return pipes, connect the gas supply, and install condensate drainage. We position the boiler to meet flue clearance requirements, particularly important in terraced streets with rear extensions.

4

Commission and test system

Fill the system, test all safety devices, and check gas pressures meet manufacturer specifications. We'll program the controls and explain operation, leaving you with all certification documents and user manuals.

No call-out fee. Free quote before we start.

Call 0333 015 0000

Combi Boiler Installation Pricing

Upfront prices, no nasty surprises

We'll always tell you the cost before we start. These are typical price ranges, your exact quote depends on the job.

ServiceTypical Cost
Combi boiler installation£1,800-£3,500

All prices are estimated. Final costs depend on the specific job. We provide detailed quotes before starting work.

Fully insured. Upfront pricing, no surprises.

Call 0333 015 0000

Common Questions

Frequently Asked Questions About Boiler Repair in Havant

Cost in Havant?
£1,800-£3,500 fully installed.
Is a combi right for my home?
Combi boilers are ideal for small to medium homes with one bathroom. For larger homes, a system boiler may be better.
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Tell us what you need and we'll get back to you with a no-obligation quote, usually within 2 hours during working hours (Mon-Thu 8:30am-6pm, Fri 9am-4pm).

0333 015 0000
Mon-Thu 8:30am-6pm, Fri 9am-4pm
Covering all Havant postcodes

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Call us on 0333 015 0000