Heat load surveys and system design in Llantwit Major
Humid summer spells in South Wales make dehumidifying and cooling equally welcome. Every Llantwit Major quote starts with a room-by-room survey rather than a guess from floor area.
For self-builds and extensions in Llantwit Major, a standalone design pack can go straight to your builder. Our South Glamorgan coverage takes in Llantwit Major, about 14 miles from Cardiff. We cover CF61 and the streets around them.
Prices in Llantwit Major
For Llantwit Major, expect roughly £365 to £1,145 for a standalone design pack, VAT included, adjusted for typical South and Mid Wales rates. Labour rates in South and Mid Wales keep this slightly under the national middle. Larger homes, more zones and full drawing sets for a builder are what move a design pack towards the upper figure. For reference, the Design pack option in Llantwit Major (drawings and schedules for one home) usually comes to about £365–£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
We book surveys in Llantwit Major at a time that suits you, including early evenings by arrangement, and send the written quote afterwards. A survey in Llantwit Major 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.
What is included
Included as standard in Llantwit Major:
- Noise check to the nearest neighbour
- Electrical load for your electrician
- Pipe and drain routes
- Equipment selection and outdoor unit sizing
- Written proposal with options
Nearby
Nearby, we also cover Cowbridge (4 miles), Bridgend (8 miles) and Barry (9 miles). See all services in Llantwit Major or heat load surveys and system design across South Glamorgan.