- Area
- County Durham
- Postcode district
- TS21
- Nation
- England
- Guide price
- From £9,200 inc VAT
- Survey
- Free for installation enquiries
Oil and LPG boiler replacement in Sedgefield: what to expect
Every property in Sedgefield is different, so the design starts from measurements rather than a rule of thumb. That keeps the system the right size and the running costs predictable.
Owners across County Durham can have oil tank removal arranged alongside a heat pump installation in Sedgefield. Cottages and farmhouses in and around Sedgefield often have solid walls, so the survey looks closely at construction and draughts.
Off-gas homes have a lot to plan when switching to a heat pump: the fuel tank, older walls, rural power supplies and higher heat loss.
- Detached houses and bungalows with garden space for the unit
- Older oil boilers nearing the end of their life
- Rural and village homes off the mains gas grid
What's included
- MCS certificate and grant application in England and Wales where eligible
- Network operator notification and electrical connection
- Removal of the oil or LPG boiler and flue
- Outdoor unit, heat pump cylinder, controls and radiator changes
- Oil tank draining and removal or making safe, as set out in your quote
Bungalows and detached houses near Sedgefield running on LPG can move to a heat pump, with the tank collected by the supplier.
Grants and rules for heat pumps in England
In England the Boiler Upgrade Scheme gives £7,500 towards an air source heat pump (£9,000 if it replaces oil or LPG, from 21 July 2026 to 31 March 2027), and since 28 April 2026 a valid EPC is no longer needed. The grant is applied for by the MCS-certified installer and shown as a deduction on your Sedgefield quote.
There is no VAT on installing a heat pump anywhere in the UK until 31 March 2027. In England most houses can have an air source heat pump under permitted development, provided the unit meets the MCS noise and siting standards; the old 1 m boundary limit was removed on 29 May 2025. We flag listed buildings, flats and sensitive conservation-area positions at survey.
Oil and LPG boiler replacement costs around Sedgefield
Guide prices for Sedgefield and the rest of County Durham are shown below, installed and inc VAT. We publish ranges rather than a single figure because design details move the price, and the written quote after survey fixes it.
| Home | Typical size | Installed guide price | After £9,000 grant |
|---|---|---|---|
| 1–2 bedroom flat or small terrace | 4–5 kW | £9,200–£12,150 | £200–£3,150 |
| 2–3 bedroom terrace or semi | 5–7 kW | £10,200–£13,100 | £1,200–£4,100 |
| 3 bedroom semi or small detached | 6–9 kW | £11,650–£15,050 | £2,650–£6,050 |
| 4 bedroom detached | 8–12 kW | £13,600–£17,450 | £4,600–£8,450 |
| 5+ bedroom or larger older house | 11–16 kW | £16,000–£21,850 | £7,000–£12,850 |
Installed, inc VAT: unit, cylinder, controls, minor pipework and commissioning. The £9,000 Boiler Upgrade Scheme figure applies to oil and LPG replacements in England and Wales installed from 21 July 2026 to 31 March 2027.
Designing for Sedgefield's winters
On the shortest day Sedgefield gets only about 7 hours 14 minutes of daylight and the noon sun sits around 12° above the horizon. Northern winters tend to be longer, so a well-designed, efficient system matters more here because it runs for more of the year.
What happens after you enquire in Sedgefield?
- Tell us about your home: postcode, property type and current heating.
- We book a survey in Sedgefield; the surveyor measures rooms, windows and radiators and looks at cylinder space.
- The design and quote arrive in writing, including radiator changes and the outdoor unit position.
- On installation days the old system is removed and the new one fitted and filled.
- We commission the heat pump, show you the controls and register the installation.
Replacing an oil or LPG boiler with a heat pump in Sedgefield: questions
What size heat pump does a Sedgefield home need?
It depends on the heat loss, not the postcode. As a rough guide, a 3 bedroom semi often needs 6–9 kW, but the room-by-room survey sets the actual size for your Sedgefield home.
Can you service a heat pump in Sedgefield that someone else installed?
Yes. We arrange servicing and repairs for most air source heat pumps in Sedgefield, whoever fitted them. Tell us the make and model when you book.
How soon can you survey a home in Sedgefield?
Survey dates depend on how busy installers are in County Durham. We offer the next available dates when you enquire and confirm them in writing.
What happens with a leased LPG tank?
Leased LPG tanks belong to the supplier, so the supplier arranges collection. Check your contract for notice periods and any charges before you fix a date. We time the switchover so you are not left without heating, and once the heat pump is commissioned the supplier can empty and remove the tank. Bottled LPG cylinders are simply returned.
Do I have to remove my oil tank?
Not always, but it should be emptied and made safe. A tank in good condition can be drained, cleaned and left in place, though most owners prefer to have it taken away to free up space. Old or damaged tanks are usually removed. Your quote says which option is included, and any remaining oil and sludge is disposed of properly.

