Hertfordshire · Heat pump installation
Heat pump installers in Flamstead
For MCS certified installation of air source heat pumps for heating and hot water, with the Boiler Upgrade Scheme grant applied for in Flamstead, choose an F-Gas certified, NICEIC approved company. Fixed-price quotes and a 24/7 emergency line.
- Radiators that may be too small for a heat pump
- Not knowing whether a grant applies
- No space for a hot water cylinder
Air source heat pumps in Flamstead
In England, an air source heat pump on a house can often go in under permitted development rights. Conditions include a maximum outdoor unit size of 1.5 m³, compliance with MCS 020(a), use for more than cooling alone and a site outside the curtilage of a listed building. We check the rules for your property as part of the survey. Common call-outs are for checking whether planning permission is needed and a boiler that’s getting old, on air-to-air heat pumps, underfloor heating and hot water cylinders.
If your home in or near Flamstead is heated by oil, LPG or electric heaters with no mains gas, the Boiler Upgrade Scheme adds an extra £1,500 until March 2027 for an air source or ground source heat pump.
Nothing is signed off by word of mouth: commissioning details and F-Gas records for a new system, a note of the fault and the fix for a repair, or a service record. Keep it with the system’s paperwork, because it helps with any later warranty question.
- Place
- Flamstead (AL3)
- Wider area
- Hertfordshire
- Prices
- Air-to-water £8,000–£16,000 before any grant (0% VAT for homes)
- Quote
- A fixed-price quote up front
- Response
- We reply the same working day
- Credentials
- F-Gas certified company, NICEIC approved, MCS
- Call
- 07833 053749
- Page updated
- 30 October 2026
Your questions about air source heat pumps in Flamstead
Is a heat pump in Flamstead permitted development?
It depends on the property. Central Flamstead sits inside the Flamsted Conservation Area. A heat pump on a house can be permitted development if it meets the conditions, including the MCS noise check, but not within the grounds of a listed building, and in a conservation area the outdoor unit can’t face a road. Where needed, we check with the planning department at Dacorum council, typically the authority for Flamstead.
Do you cover smaller places like Flamstead?
Yes, smaller places are covered as well as towns. Visits to smaller places are planned so the engineer arrives with what the job needs.
How much VAT is charged on a heat pump in a home?
Homes pay 0% VAT on a heat pump installation until 31 March 2027, then 5%. The relief doesn’t cover businesses, and this is not tax advice.
Will my radiators work with a heat pump?
The heat loss survey answers that, room by room. Rooms where the radiator is big enough stay as they are and any changes are in the quote.
How does the warranty work?
The manufacturer provides it, on its own terms. Some brands make regular servicing a condition so it’s worth keeping the service records.
Do you protect the property while you work?
Floors and furniture near the work are covered with dust sheets before work begins, and the area is kept tidy throughout. Before we leave, we clear up and run through the work with you.
Should I choose air-to-water or air-to-air?
The right choice depends on the property and what you need. Air-to-water can attract a £7,500 grant where eligible; air-to-air only qualifies for £2,500 under strict conditions. We explain the options after the survey.
Towns and villages near Flamstead
Also in Flamstead
What happens on the day
The visit goes in the diary at a time that works for you, and we keep you posted if anything changes. When we arrive, we check the job against the survey or the photos you sent. If something is different, we talk it through with you before carrying on. From there, the work takes a few days on site, depending on the cylinder, the radiators and the pipework involved. Pictures of the space and where the outdoor unit could go let us plan the work in Flamstead.
- Step one is understanding the house, how it’s heated today and what you’d like to change.
- A heat loss survey works out how much heat each room needs, and we look at the radiators, the cylinder space and where the outdoor unit could go.
- We send a fixed-price quote that shows the equipment, the grant position and the VAT.
- The outdoor unit, the indoor equipment and the controls are installed and connected.
- We commission the heat pump, complete the MCS paperwork and talk you through the controls.
Getting ready for the visit
- Dig out any previous service or F-Gas records
- Plan for pets to be kept clear during the visit
- Clear access to the fuse board
How to get a quote
For air source heat pumps in Flamstead, phone 07833 053749 or email us. Tell us what kind of property it is and what you’d like done, and send a few pictures if you can. We reply the same working day.
Advice
Common problems we fix in Flamstead
Many enquiries start with a question about the Boiler Upgrade Scheme. Whether you can get the grant depends on your home and the scheme conditions, so we check before you commit.
Look out for these signs:
- Planning and permitted development questions
- Questions about where the outdoor unit can go
- Replacing a combi boiler with a heat pump
If your home is listed, like Childwickbury Manor about 4.6 miles south-east, listed building consent comes before any heat pump work.
Before you book anyone
- Whether a new circuit is included and who certifies it
- Which brand and model they’re proposing, and why
- Whether the manufacturer’s warranty depends on regular servicing
Heat pumps in Flamstead: local notes
Flamstead is about 27 miles from central London, well within the area we cover from our base in East Grinstead.
Live in one of the older houses around Church of St Leonard? Expect the survey to look closely at heat loss and at the building’s planning status.
Flamstead is about 4 miles west of Harpenden, in Hertfordshire. We cover Flamstead for air source heat pumps and across the rest of Hertfordshire. Flamstead is one of 381 towns, villages and districts in Hertfordshire we cover. London is in our area too, about 27 miles from Flamstead.
We work across the AL3 postcode area for air source heat pumps and the streets around it. High Street, Church Road and Shepherds Yard and the roads off them are all inside our area. If you’re just outside Flamstead, we cover Trowley Bottom (1 mile south-west), Friar's Wash (1 mile north-east), Markyate (2 miles north-west) and Roe End (2 miles west). Larger places within reach include Watford (11 miles south), Hemel Hempstead (5 miles south), Stevenage (12 miles north-east) and St Albans (7 miles south-east).
Local landmarks in Flamstead
Around Flamstead, our work takes us to homes and businesses near The Three Blackbirds Public House, among other places. The nearest railway station is Harpenden station, about 3.6 miles east. A little further out are Hemel Hempstead Hospital (5 miles south) and Redbourn Museum (2.3 miles south-east). Green spaces nearby include Landpark Wood.
Looking after it afterwards
Looking after the system is mostly common sense. Our tips:
- Find out the grant position at the survey
- Do not block radiators or indoor units with furniture
- Keep to regular servicing
Equipment warranties come from the manufacturer. We go through the conditions with you, including any servicing they ask for.
Leave space around the outdoor unit. It needs good airflow to collect heat from outside, so keep it clear all year.
What air conditioning will not do
An honest diagnosis matters more to us than a booking, so here’s what this work cannot put right:
- Planning approval where permitted development does not apply
- Improving the building’s insulation
- Formal advice on VAT for your situation
If you are not sure, just ring us on 07833 053749 or drop us a line and we will give you a straight answer.
What the work covers
- Hot water cylinders
- Underfloor heating
- Radiator systems
- Air-to-water heat pumps
- Homes heated by oil, LPG or gas
- Air-to-air heat pumps
What a customer said
“Excellent service from start to finish. Two wall-mounted units installed in our home. Clean, tidy work: they protected all the floors and left no mess. The systems work brilliantly. Would highly recommend.”
Sarah M., East Grinstead