- Area
- Kent
- Postcode district
- CT13
- Nation
- England
- Guide price
- Priced after survey
- Survey
- Free for installation enquiries
Heat loss survey for Sandwich homes
The question for a Sandwich home is rarely whether a heat pump can work, but what needs to change to make it work well: radiator sizes, pipework, controls and where the unit goes.
For Sandwich homes with extensions or loft conversions, each part of the house is assessed on its own construction. Design outdoor temperatures for Sandwich and the wider Kent come from local cold-weather data, not a national average.
Every heat pump we quote starts with a room-by-room heat loss survey, free with installation enquiries and also available as a stand-alone report.
- Landlords comparing properties before deciding where to switch first
- Anyone getting a heat pump quote, as the first step
- Homes with an existing heat pump that seems undersized or expensive to run
What's included
- Room-by-room heat loss calculation using the MCS method
- Outdoor unit siting options and noise check
- Electrical supply and network operator notes
- Written results in your quote, or a stand-alone report if you order one
- Recommended heat pump size and design flow temperature
A surveyor visits your Sandwich home to measure each room, window and wall before any heat pump is sized.
Grants and rules for heat pumps in England
Homes in Sandwich can use the Boiler Upgrade Scheme, which takes £7,500 off the cost of an air source heat pump when it replaces fossil-fuel or electric heating. Replacing oil or LPG heating qualifies for £9,000 for installations from 21 July 2026 to 31 March 2027, and air-to-air systems for £2,500. The MCS-certified installer named in your quote applies for the grant and deducts it from the price.
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.
Guide prices for heat loss surveys in Sandwich
Here are typical prices for heat loss surveys in Kent, installed and including VAT. Use the guide price tool for a figure based on your home, then a survey confirms it in writing.
| Survey | Guide price |
|---|---|
| Home survey and heat loss calculation with an installation quote | Free |
| Stand-alone heat loss survey and report | £150–£410 |
Inc VAT. A stand-alone report is for homeowners who want the design without an installation quote.
Winter daylight and heating in Sandwich
Sandwich sees roughly 7 hours 52 minutes of daylight in late December against 16 hours 36 minutes in June. Milder southern winters suit heat pumps well, though the system is still sized for a cold snap rather than an average day.
The steps for heat loss surveys in Sandwich
- Send your postcode and a few details, or use the guide price tool.
- A surveyor visits your Sandwich home, measures every room and checks where the outdoor unit can go.
- You receive a heat loss design and a fixed written quote, with any grant shown where it applies.
- Installers fit the unit, cylinder and any radiator changes, typically over 2–4 days on site.
- The system is commissioned, set up with weather compensation and handed over with the paperwork.
Heat loss surveys in Sandwich: questions
Can you service a heat pump in Sandwich that someone else installed?
Yes. We arrange servicing and repairs for most air source heat pumps in Sandwich, whoever fitted them. Tell us the make and model when you book.
What size heat pump does a Sandwich 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 Sandwich home.
Do I need new radiators for a heat pump in Sandwich?
Often some, not all. Heat pumps run best at lower water temperatures, so rooms with small radiators may need larger ones. The survey of your Sandwich home gives a room-by-room list.
What is a design flow temperature?
The design flow temperature is the temperature of the water sent to your radiators or underfloor heating on the coldest design day. Heat pumps are more efficient at lower flow temperatures, typically around 35–50°C. Choosing it is a balance: a lower figure improves efficiency but can mean larger radiators in some rooms, so the design shows both.
How long does a heat loss survey take?
A typical survey takes 1–3 hours on site, depending on the size and complexity of the home. Larger or older houses with mixed construction, extensions or many rooms take longer. The calculations and design are completed afterwards, and the results are included in your quote or stand-alone report.