Rooftop vs Ground-Mounted Solar for Caravan Parks

Once a holiday park owner accepts that solar pays, the next practical question is where to put it. A caravan park is unusual among commercial solar sites because it offers two genuinely different surfaces: the roofs of its amenity buildings, reception, clubhouse, swimming pool plant room, shop and shower blocks, and the open land between or around the pitches. That real choice shapes the cost, the planning route and the timeline. This guide compares roof-mounted PV on your amenity buildings against a ground array on park land, on the terms that matter to a park. All figures are illustrative and depend on your site, your roofs, your load and your tariff.

The two options in plain terms

Rooftop PV on amenity buildings. Panels mount on the existing roofs of your reception, clubhouse, pool building, shop and amenity or shower blocks. You use space you already own and maintain, the wiring runs are short, and on a commercial park building this normally falls under permitted development. The limit is simple: you can only fit as many kilowatts as your roofs will carry, and on a small park with low buildings that ceiling is reached quickly.

Ground-mounted PV on park land. Panels sit on a steel frame in a field, on a bank, or on unused land around the edge of the park. Capacity is limited by land, not roof, so a ground array can be far larger and is easier to orient and tilt for ideal generation. The trade is that it consumes land that might otherwise hold pitches, it is more visible, and in a rural, coastal or protected setting it usually needs full planning permission rather than permitted development.

For most parks this is not an either-or. The common pattern is roof-first, then ground-mount only for the capacity the roofs cannot deliver.

Where the options differ

The contrast is clearest across the two routes:

Factor	Rooftop (amenity buildings)	Ground-mount (park land)
Cost per kWp	Lower, uses existing structure	Higher, adds frame, groundworks and cabling
Planning and visual amenity	Usually permitted development on commercial park buildings; low visual impact	Often full planning; visual-impact assessment expected in AONB, National Park or coastal settings
Capacity ceiling	Limited by available roof area	Limited by land, can be much larger
Seasonal load match	Excellent, sits on the buildings with the load	Excellent generation, but power must be routed back to the loads
Disruption	Contained, screened from guests, off-season work	Groundworks and trenching across park land
Best fit	Parks with good amenity, leisure and pool-building roofs	Parks short of roof but with spare, low-sensitivity land

The headline trade is cost and consent versus capacity. Rooftop is cheaper per kWp because it reuses a structure you already have, and it is the least intrusive option in a sensitive landscape, but the buildings cap how much you can fit. Ground-mount removes that cap and generates more freely, but it costs more per kWp once you add the mounting frame, the groundworks and the longer cable runs, and it carries a heavier planning burden in exactly the rural and coastal settings where many parks sit.

Cost: why roof is usually cheaper per kWp

On a caravan park, systems above 100 kW typically land around £750 to £950 per kWp, falling toward £600 per kWp once a scheme passes 1 MW, which is why multi-park roll-outs beat single sites on unit cost. Within a single park, rooftop generally comes in at the lower end of that band because the roof is already there: no steel ground frame, no foundations, no trenching across the site, and short cable runs back to the board. Ground-mount adds all of those, so a like-for-like ground array tends to cost more per kWp than putting the same capacity on a sound roof.

That cost gap is not the whole story, though. If your roofs are small, shaded or near end of life, the cheaper rooftop option may only fit a fraction of the capacity you need, and a larger ground array can deliver a better overall return despite the higher unit cost, simply because it offsets far more of your bill. The right comparison is never cost per kWp in isolation, it is the lifetime saving each option unlocks against your real load.

Planning and visual amenity: the deciding factor for many parks

This is where the two routes diverge most, and for parks in protected landscapes it often decides the question outright. Rooftop PV on commercial park buildings generally falls under permitted development (Class A, Part 14 of the GPDO 2015, subject to size limits), which keeps consent light. Ground-mounted arrays on park land usually need a full planning application, and in an Area of Outstanding Natural Beauty, a National Park, a conservation area or a sensitive coastal setting, the authority will expect a proper visual-impact and landscape assessment, screening with planting or banking, and early engagement.

A great many holiday parks sit in precisely these settings, on the coast, in the hills, inside or beside a National Park, so visual amenity is rarely a side issue. The practical consequence is that roof-mount on reception, clubhouse, pool building and amenity blocks is the path of least resistance, and discreet, screened ground-mount is the fallback for capacity the roofs cannot carry. Listed park buildings need Listed Building Consent, and some touring sites operate under seasonal planning conditions worth checking first.

Seasonal load match and supplying pitches

Both options serve the same loads, because in almost every case the array, on a roof or in a field, feeds the park’s private distribution network rather than individual vans. The power offsets everything you pay for as the operator: pitch pillars, reception, shop, laundry, lighting, amenity blocks, the swimming pool plant and any guest EV charging. A park’s summer-peak demand lines up with peak generation either way, so the mounting choice does not change the seasonal match. The difference is location: rooftop PV on the pool building or amenity block sits directly on the biggest daytime loads with short cable runs, whereas a ground array, though it often generates better given ideal tilt, must route power back across the site. That is one more reason roof-mount tends to win on a compact park, while ground-mount earns its place where spare land and the capacity need justify the longer runs.

When roof, when ground: a framework for parks

A simple way to decide:

Lead with roof when your park has good amenity and leisure-building roofs, especially a pool plant room, clubhouse and shower blocks, that are sound, unshaded and reasonably oriented; when you sit in an AONB, National Park, conservation area or sensitive coastal setting where visual amenity is paramount; or when you want to keep every square metre of land available for pitches. For most parks this is the starting point.

Add or switch to ground when the roofs cannot carry the capacity your site-wide load needs; when they are near end of life, shaded or poorly oriented; when you have spare, low-sensitivity land away from sightlines that can be screened; or when an off-grid touring or glamping element needs a larger solar-plus-battery system than any small roof could host. On a genuinely off-grid site, a ground array plus battery often replaces an expensive DNO grid extension altogether.

In practice many parks do both: roof-mount the amenity and leisure buildings for the cheap, low-impact baseload, then site a screened ground array for the balance. Grid connection applies either way, a G99 application is required above 17 kW per phase, and rural and coastal parks frequently sit on capacity-constrained networks where export connections can take 6 to 18 months, so the application should go in early whichever mounting you choose.

An illustrative worked example

As an illustrative composite based on typical UK caravan park projects, and not a real named client: a 280-pitch inland park beside a National Park boundary needed roughly 200 kWp to dent a site-wide bill past £90,000 a year. Its sound, well-oriented building roofs could host around 130 kWp under permitted development, the cheaper and least intrusive option, directly on the biggest daytime loads. The remaining 70 kWp was modelled as a low, screened ground array on an unused bank away from sightlines, needing full planning with a visual-impact assessment given the protected setting. The blend reached the target capacity, kept all pitches in use and held visual impact low. The split would differ for any other park, which is the point of modelling it from your own roofs, land and meter data.

How to choose

The decision is specific to your buildings, your land and your setting, and most parks land on a sensible blend: rooftop for the cheap, low-impact baseload, a screened ground array for any capacity the roofs cannot carry. The sensible next step is to model both against your real load. Read the cost guide for the underlying numbers, the grants and funding guide for the tax relief and export income that apply to either route, and run your figures through the savings calculator. If you are still weighing whether solar stacks up at all, start with is solar worth it for caravan parks. When you are ready, request a free feasibility and we will return a proposal modelling roof against ground for your specific site.