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19 miles from our base

Air Source Heat Pump Installation in St Mewan

MCS certified heat pump installers just 19 miles from St Mewan. Claim up to £9,000 with the Boiler Upgrade Scheme.

Gas Safe Registered
MCS Certified
5.0/5 (14 reviews)
200+ Installations

Why St Mewan Homeowners Are Switching to Heat Pumps

St Mewan is one of the towns covered by our county service — see heat pump installation in Cornwall for costs, standards and the full picture.

St Mewan is a tiny rural hamlet of around 150 residents between St Austell and Mevagissey, approximately 19 miles from our base in Pool, Redruth. The hamlet is entirely off the mains gas grid, with all properties relying on oil or LPG central heating. This makes St Mewan an ideal location for the up-to-£9,000 Boiler Upgrade Scheme grant when switching to an air source heat pump. With average property prices of £350,000–£500,000, St Mewan attracts buyers seeking peaceful rural living with good access to the coast and St Austell. The hamlet's stone cottages and detached rural properties have the solid construction and garden space that suit air source heat pump installation particularly well. Cornwall's mild climate ensures excellent year-round COP performance of 3.5+, and the rural setting provides ample space for external unit placement with minimal acoustic concerns. CCS Heating & Renewables serves the PL26 area with professional MCS certified heat pump installations.

Why St Mewan homeowners choose air source heat pump installation

St Mewan sits 19 miles from our base, serves around 3,500 residents, with around 65% of homes off the mains gas grid — one of the strongest signals for heat pump suitability. A typical 8–12kW system in St Mewan costs £4,500–£8,500 after the £7,500 BUS grant (£1,500 less with the £9,000 off-gas uplift) and cuts heating running costs by 40–60% versus oil or LPG.

Property types we install in

Stone cottages, detached rural houses, converted farm buildings, period properties

  • Solid-wall stone & granite properties: typically need 2–4 radiator upsizes and benefit from 9–12kW units.
  • Inter-war semis & bungalows: usually 8–10kW with minimal fabric work required.
  • Off-grid oil or LPG homes: the strongest economic case — running cost drops 40–60% after switching.

Boiler Upgrade Scheme grant in St Mewan

Off-gas-grid rural hamlet. Standard permitted development applies to most properties. Some listed buildings may require consent. We check every grant you qualify for and register your system where required. Read more in our heat pump installation guide or our full grants page.

Coverage across St Mewan & nearby

Areas we cover: Serving St Mewan hamlet and the surrounding rural area between St Austell and Mevagissey

Postcodes served: PL26

3,500

Population

1295

kWh/m²/year solar

65%

Off gas grid

19 miles

From our base

Key local industries

Commuter (St Austell)AgricultureResidential

As well as heat pumps, we also provide other energy services in St Mewan:

Cornwall-wide renewable energy guides:

Our Process

How It Works

01
Step 1

Free Survey

We visit your St Mewan property to assess your needs, measure heat loss, and discuss the best options.

02
Step 2

Design & Quote

We design a bespoke system, identify all eligible grants including the Boiler Upgrade Scheme (up to £9,000), and provide a transparent fixed-price quote.

03
Step 3

Installation

Our MCS certified engineers install your system cleanly and efficiently, typically within 2–4 days, with minimal disruption to your home.

04
Step 4

Aftercare

Full system handover, MCS certification, warranty registration, BUS grant application completion, and ongoing support when you need it.

Book Your Free Survey No obligation · Free survey · MCS certified

Other Areas We Serve Near St Mewan

Customer Reviews

What Our Customers Say

Google
"CCS installed our air source heat pump and the whole process was brilliant from start to finish. They handled the BUS grant application, and our heating bills have dropped significantly. The house is warmer than it ever was with our old oil boiler."
J&

James & Sarah T.

St Austell

Google
"We were nervous about switching from oil to a heat pump in our period cottage, but CCS made the whole process straightforward. The heat pump is quiet, efficient, and our oil delivery days are over. Brilliant job."
M&

Mark & Louise R.

Fowey

Google
"After much research we chose CCS for our heat pump installation and we are so glad we did. They took the time to explain everything, handled the grant paperwork, and the installation was completed in three days. Very professional team."
MH

Margaret H.

Par

Common Questions

Frequently Asked Questions About Heat Pumps in St Mewan

01
How much does it cost to fit a ground source heat pump in Cornwall?
A complete ground source installation in Cornwall is typically £18,000-£32,000 before grants: £11,500-£16,800 for the heat pump, cylinder, controls and commissioning, plus £6,000-£14,000 for trenched or slinky ground loops or £12,000-£22,000 for vertical boreholes. The Boiler Upgrade Scheme takes £7,500 off, or £9,000 until March 2027 if you are replacing oil or LPG and have no mains gas connection, and installations in homes are zero-rated for VAT until 31 March 2027.
02
What are the downsides of a ground source heat pump?
Two, mainly: cost and disruption. The ground array is most of the extra money over an air source system, and it means either trenching roughly 2.5 times your heated floor area or drilling boreholes. On a small garden the trench option disappears and drilling is the only route. Against that, the heat pump sits indoors with no outdoor unit, seasonal efficiency is typically 4.0-4.8 against 3.0-3.5 for air source, and the buried loop long outlives the heat pump itself.
03
How much land do you need for a ground source heat pump?
For horizontal collectors, roughly 2.5 times the heated floor area of the house, trenched at about 1.2-1.5 m deep — so a 150 m² house needs something like 375 m² of diggable ground. Slinky coils fit the same collector length into shorter trenches. Where there is no land, vertical boreholes of typically 90-150 m each replace the trenches and take a fraction of the surface area.
04
Is ground source better than air source in Cornwall?
It is more efficient and more expensive. Ground temperatures here stay around 9-12°C all year, so a ground source system runs at a seasonal efficiency of about 4.0-4.8 against 3.0-3.5 for air source, with no outdoor unit and no noise assessment. Air source costs roughly half as much to install and fits any property. Since the Boiler Upgrade Scheme now pays the same for both, the decision comes down to available land, disruption and how long you will own the house.
05
Do I need planning permission for a heat pump in Cornwall?
Air source heat pumps on houses are permitted development under Class G of Part 14 of the GPDO as amended on 29 May 2025 — one unit on a terraced or semi-detached house, two on a detached house, up to 1.5 cubic metres, meeting the MCS 020 a) standard including a 37.0 dB(A) limit at a neighbour's window. In a conservation area or the Cornwall and West Devon Mining Landscape World Heritage Site the unit cannot go on a wall or roof fronting a highway, or nearer a highway than the house. Listed buildings need permission. Ground source heat pumps have no Part 14 limits.
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