GU51 · Hampshire

Oil boiler replacement in Fleet, Hampshire

One short enquiry reaches heating engineers who work across Hampshire. Free to use, and no pressure to accept.

✓ Free surveys✓ Fully insured✓ Response within 24h
How it works
  1. 1Outline your boiler and heating
  2. 2Weigh up the quotes
  3. 3Hear from local heating engineers

Why Fleet Homes Need oil boiler replacement

An engineer covering Fleet will want to see the existing installation before quoting for oil boiler replacement, so you are comparing quotes based on what is really there rather than a guess made over the phone.

An engineer who regularly works in Fleet tends to know the local housing — which streets were built with back boilers behind the fireplace — and that feeds into a realistic price for oil boiler replacement.

Warning Signs You Need oil boiler replacement

  • A pressure gauge that falls back below 1 bar
  • Showers that run hot and cold without warning
  • A boiler that locks out on cold mornings
  • Rooms that never quite reach temperature
  • A yellow or lazy flame where it should be crisp blue
  • A boiler past 12–15 years old with parts getting hard to find
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How to Get a oil boiler replacement Quote in Fleet

1

Outline your boiler and heating

Use the quick form to say whether you need a replacement, a service, a new fuel system or a cover plan, and where your Fleet property is heated today.

2

Weigh up the quotes

Look at what each engineer includes for the appliance, flue, controls and system clean, not just the headline figure. You are under no obligation to accept any of them.

3

Hear from local heating engineers

Up to four engineers working around Fleet may get in touch to talk through your set-up and arrange a survey before quoting for the oil boiler replacement work.

Oil boiler replacement Costs in Fleet

ServiceTypical CostTimeframe
Oil Boiler Replacement£3,000–£6,5001–3 days

Oil boiler replacement FAQs

What does oil boiler replacement usually cost in Fleet?

A typical guide range for oil boiler replacement is £3,000–£6,500. What you pay locally depends on whether the boiler stays in the same position, plus the flue, controls and any system cleaning. Treat the range as a starting point and ask for a written, itemised quote before agreeing to anything.

How long does oil boiler replacement take?

Most oil boiler replacement jobs take 1–3 days. Removing old cylinders and tanks or building a new fuel store can add time, and some appliances and flue components are ordered in for your job before starting.

Which registration should the engineer hold?

It depends on the fuel. Gas work must be done by a Gas Safe registered engineer qualified for that appliance type. Oil boilers are normally signed off by an OFTEC registered technician, solid fuel appliances by a HETAS registered installer, and biomass systems need an MCS certified installer if you want to claim a government grant. Check the registration number yourself before booking.

Should I replace my boiler in summer?

If you can, it is worth considering. Diaries are often less crowded outside the heating season, and going without heating for a day or two is far easier in July than in January. Ask how long the hot water will be off during the changeover.

Oil boiler replacement in Nearby Hampshire Towns

Looking for oil boiler replacement elsewhere in Hampshire? Engineers in the network also travel to:

Recent Oil Boiler Replacement Enquiries in Fleet

Real enquiries submitted by homeowners in Fleet and surrounding areas. Contact details are not shown.

★★★★★4.7 averagefrom 10 local enquiries
M
M***LLN11
★★★★★April 2022

Customer made an enquiry for Oil Boiler Replacement via one of our websites. Looking at various options they would like to discuss directly Confirmed interest via phone at 14:29…

M
M***LLN11
★★★★★April 2022

Customer made an enquiry for Oil Boiler Replacement via one of our websites. Looking at various options they would like to discuss directly Confirmed interest via phone at 14:29…

D
D***lProspect Close, DN14
★★★★☆January 2022

replacement of oil burning boiler are you the property owner: owner of the property is this for a residential or commerial building: domestic type of current boiler: oil what…

L
L***aManor Road, DN14
★★★★★February 2021

repair to worcester heatslave - in lock out mode - pressed reset button but reverts back to lock out are you the property owner: owner of the property what work do you require:…

B
B***nEdgeway Road, FY4
★★★★☆March 2026

We are having issues with our boiler and the pressure constantly dropping out the house has been sat empty for 5 months prior to us buying this

O
O***nCaspian Way, RM19
★★★★★May 2025

are you the property owner: owner of the property is this for a residential or commerial building: domestic other forms: none please call to appoint

J
J***nPondtail Gardens, GU51
★★★★★November 2024

Customer in the Fleet area made an enquiry online for a new boiler and is waiting for a call. Confirmed interest. Please contact to arrange an appointment to discuss options for…

K
K***yGU51
★★★★☆April 2024

Fitting of nest units already purchased for house with underfloor / radiators. Tiny already visited and checking for a relay as voltage difference. Now looking to book the fitting

N
N***iGU51
★★★★★January 2024

We have a leaking feeder tank (forgive me i don't know the right name) on our heating system it's filling a bowl of water every 2 hours. we have heat currently but its looks like…

H
H***nFlorence Road, GU52
★★★★★November 2023

New boiler and possible radiator replacement

Replace your oil boiler in Fleet

Replacing an oil boiler is also the right time to look at the tank, fire valve and fuel line that feed it. Combi Boiler Quotes helps you reach oil heating technicians covering Fleet and the surrounding parts of Hampshire.

Describe your oil system once and hear from up to four suitable technicians. The number of responses depends on local coverage, capacity and the job. Four quotations are not guaranteed, and you do not have to accept a quote. Companies joining the network are asked for relevant insurance details and references; check current OFTEC registration before booking.

Indoor, external or oil combi?

Most oil boiler replacements are like-for-like, but it is worth considering an external model if indoor space is tight, or an oil combi if the hot water cylinder is due for replacement too.

Common reasons for a replacement enquiry

  • A boiler over 15 years old that is not a condensing model
  • Smoke or soot from the flue, or a strong kerosene smell indoors
  • A cracked or corroded combustion chamber or heat exchanger
  • Repeated burner lockouts even after servicing
  • Oil leaking from the burner, pump or pipework
  • Parts that are no longer available for the model

Work a technician may include

  • Disconnecting and removing the old boiler and burner
  • Fitting a new condensing boiler and connecting the condensate drain
  • Checking the fuel line from the tank for damage or corrosion
  • Fitting a new flue that meets the clearance rules for oil appliances
  • Commissioning the burner with a combustion analyser and registering the work with OFTEC

If the tank is old or close to the house or a boundary, ask the technician to comment on it in writing. A replacement tank is often quoted separately.

What to tell a technician before the survey

Say whether the boiler is inside or outside, where the flue exits and whether you have a hot water cylinder. Give the age and material of the oil tank, and roughly how far it is from the house, boundaries and any drains or watercourses.

Photographs of the boiler, flue and tank help the technician judge the job before visiting. If you are thinking about HVO fuel in future, ask whether the boiler is compatible.

Planning the installation day

Agree how long the heating and hot water will be off, and keep access clear to the boiler, the tank and the route between them.

What to check when the job is done

Ask to be shown the controls and where the oil isolation valve is. Keep the commissioning record, warranty details and applicable compliance or building approval documents together for when you sell.

Include the tank and fuel line in the survey

Ask for a written assessment of the tank, base and oil supply before accepting the boiler price. For a home in Fleet, flag narrow delivery access and the route between the tank and boiler. The technician may need to renew the fire valve, filter or protected pipework. Specify who removes the redundant boiler, handles any fuel transfer and leaves the work area clean.

Guide costs for oil boiler replacement in Fleet

Use £3,000–£6,500 as an indicative UK budgeting range. A quotation for a property in Fleet may fall outside that range. Confirm whether the price includes VAT, the flue, fire valve, filter and removal of the old boiler.

An indoor boiler in the same position is the cheapest option. External boilers and oil combis cost a little more, and relocating the boiler with a new flue and fuel line pushes the price towards the top of the range.

Agree whether any tank work is included before accepting a quote.

Oil Boiler Replacement in Fleet | Combi Boiler Quotes Compare free, no-obligation quotes from local heating engineers for combi boiler replacement, annual boiler servicing, oil, solid fuel and biomass boilers, plus boiler cover plans across the UK. A homeowner checklist: describe the appliance and fuel, agree the work or cover required, and compare the total price, exclusions and relevant credentials. The heating illustration is illustrative, not an installation diagram. Combi Boiler Quotes Oil Boiler Replacement in Fleet One free enquiry. Up to four quotations, subject to availability. YOUR BOILER AND HEATING Three things to compare 1 The appliance and fuel Make, model, age and the system you have now. 2 What is actually included Installation, servicing or cover: agree the scope. 3 The total cost and conditions Check VAT, extras, exclusions and relevant credentials. Compare the details before choosing a business or plan. Free Quotes for Combi Swaps, Servicing, Oil, Solid Fuel and Biomass Boilers Independent businesses provide the quotes and carry out the work. No obligation to proceed.

Rules that apply to oil boilers and tanks

Use a competent oil heating installer and agree how the work will meet local building requirements. Under the appropriate OFTEC installation registration, self-certification is available in England and Wales; Scotland and Northern Ireland use different approval procedures. OFTEC consumer guidance explains the scheme. Tank condition, fire protection, spill containment and fuel-line safety need assessing even when only the boiler is being replaced. Registration for servicing alone does not establish installation competence.

If the property is listed or in a conservation area, check before installing an external boiler or a new tank. Hampshire County Council can confirm local planning and building control requirements.

Checks before appointing a technician

Check that OFTEC registration covers installation, ask how the boiler was sized, and request a written comment on the tank and fuel line. Confirm the warranty length and what servicing it requires.

Compare the boiler, flue and fuel line work in each quote, not just the total.

Technicians covering Fleet and nearby areas

Coverage depends on each technician's working area, so give the actual property postcode. For work near Fleet, nearby-area links include Farnborough, Aldershot, Farnham, Camberley, Sandhurst, Crowthorne, Wokingham. A nearby listing does not confirm availability at your address in Hampshire.

Questions about oil boilers in Fleet

Use these questions to check the proposed installation.

How much does a new oil boiler cost in Fleet?

The site's guide range is £3,000 to £6,500. An indoor boiler in the same position is at the lower end; external boilers, oil combis and relocations cost more. A new oil tank is usually priced separately.

How long does an oil boiler replacement take?

Most take one to two days. Moving the boiler, changing the flue or replacing the fuel line can add a third day.

Who can install an oil boiler?

An OFTEC registered technician can install and self-certify an oil boiler under the Building Regulations. If you use someone who is not registered, you would need to apply to building control before work starts.

Should I replace my oil tank at the same time?

Only if it needs it. Tanks that are leaking, bulging, on a cracked base or too close to the house or a boundary should be replaced. A technician can inspect the tank during the survey and advise.

What should my written quote include?

Ask for the boiler, flue, fire valve, filter, tank assessment and fuel-line work to be listed. Confirm whether tank replacement, fuel transfer, waste removal and local building approval are included.

Request oil boiler quotes in Fleet

Send technicians the details of your oil boiler and tank through the enquiry form. Oil heating technicians covering Fleet may contact you to discuss the job and a quotation.