Heat load surveys and system design in Holyhead
For self-builds and extensions in Holyhead, a standalone design pack can go straight to your builder. Mild North Wales summers mean heat pump heating is usually the headline benefit.
Every Holyhead quote starts with a room-by-room survey rather than a guess from floor area. Holyhead is about 21 miles from Bangor, Gwynedd and falls within our Gwynedd coverage. Homes in LL65 are all within our coverage.
Prices in Holyhead
Budget around £370–£1,195 for a standalone design pack including VAT for heat load surveys and system design in and around Holyhead. It is a touch below the UK middle, as trade rates in North Wales tend to be. A standalone design pack is priced on the size of the home, the number of rooms and how much drawing work your builder or architect needs. On our North Wales figures, the Design pack option (drawings and schedules for one home) is about £370–£745.
Home survey
Free with an installation quote.
Design pack
Drawings and schedules for one home.
Self-build pack
Whole-house design for a new build.
Planning and permissions
In Wales, outdoor units of up to 1.5 m³ that meet MCS 020a noise limits are usually permitted development on houses; listed buildings need consent, and in conservation areas a unit cannot go on a wall or roof facing a road.
The survey
A survey in Holyhead usually takes one to two hours. We measure the rooms, check the walls and the consumer unit, agree the outdoor unit position with you and photograph the pipe routes. On a survey in Holyhead the engineer looks at room size, glazing, the route for pipes and drains, the electrics and where the outdoor unit can sit quietly, then the written quote follows.
What is included
What a job in Holyhead covers:
- Electrical load for your electrician
- Noise check to the nearest neighbour
- Pipe and drain routes
- Equipment selection and outdoor unit sizing
- Room-by-room heat gain and heat loss
Nearby
We also cover Llangefni (14 miles), Caernarfon (19 miles) and Bangor, Gwynedd (21 miles). See all services in Holyhead or heat load surveys and system design across Gwynedd.

