solar panels for holiday lets in Padstow

Serving Padstow and the wider Cornwall area, including Wadebridge, Rock, Trevone.

Solar built around a Padstow letting season, not a suburban roof

Padstow’s holiday-let economics are unusually favourable for solar, and the reason is the Camel Estuary’s calendar. A self-catering cottage above the harbour, a barn conversion out towards St Merryn or a coastal property at Trevone earns most of its income between April and October, when the town’s ~2,669 residents are joined by tens of thousands of visitors drawn to the harbour, the Camel Trail and the beaches at Constantine and Trevone Bay. That is exactly when a Cornish solar array generates the most. Your busiest, highest-earning months are your sunniest, so in-season self-consumption is naturally high, which is the opposite of a family home that sits empty by day and busy on dark winter evenings.

If you own or run a let across the PL28 and PL27 postcode districts, this page sets out how solar and battery storage are sized for a Padstow property specifically, why the hot tub changes the maths, what the planning position is on this stretch of the North Cornwall coast, and how the tax picture shifted in April 2025.

Why the Padstow letting calendar suits solar

The single most important fact about solar for a holiday let is that peak occupancy aligns with peak generation. Padstow makes that vivid. The town is one of the busiest self-catering destinations in Cornwall, its harbour and food scene pulling visitors through the whole main season, and the load that fills those months is exactly the load solar covers best:

• The hot tub. For a Padstow cottage or lodge with a hot tub, that tub is usually the single biggest electricity consumer on the property. A 2-3 kW heater kept hot and filtered for back-to-back guests draws much of its power during the day, which a roof array can supply directly.
• Changeover hot water and laundry. Every turnaround means fresh linen, cleaning and a full re-heat of the hot-water cylinder. Through a busy summer that daytime re-heat load is relentless, and for a property off the gas grid it is being met by electric immersion, an oil boiler or LPG.
• Guest EV charging. Visitors increasingly arrive by EV expecting to charge. Daytime charging from your own array is a near-perfect self-consumption match, and a charge point is a genuine listing selling point on a route where many arrive from Bristol and beyond.

Because that in-season daytime demand coincides with the strongest generation of the year, a Padstow let self-consumes a high share of what it produces during the months that actually earn. In the quiet winter, when occupancy drops, surplus exports to the grid under the Smart Export Guarantee, so the array earns even when the property is empty.

Off the gas grid, on the coast — two Padstow-specific factors

Two things about a North Cornwall coastal let sharpen the case beyond a generic domestic install.

First, many Padstow-area lets are off the mains gas grid. Rural Cornwall has extensive off-gas-grid coverage, and a cottage heated by oil, LPG or electric pays a higher unit cost for its energy than a mains-gas home. Every kilowatt-hour you self-consume from your own roof therefore displaces expensive fuel, which raises the value of the solar rather than lowering it.

Second, this is a coastal, salt-laden environment, and that matters for specification. Panels, mounting rails and fixings on a property near the Camel Estuary or the exposed Atlantic coast at Trevone should be specified for salt resistance and wind loading. That is a design detail rather than an obstacle, but it is one a generic domestic quote often overlooks and a Padstow install should not.

Planning on the North Cornwall coast — conservation areas and the AONB setting

Padstow is a picture-postcard town precisely because its character is protected, and that shapes where panels go. Roof-mounted PV on a dwelling is usually permitted development, but not on a wall or roof slope fronting a highway within a conservation area, and listed buildings — of which Padstow’s harbour core has many — always need Listed Building Consent. Much of the surrounding coast falls within the Cornwall Area of Outstanding Natural Beauty, which attracts greater scrutiny on visual impact.

None of this rules solar out. The route through is discreet, non-highway-facing roof slopes, or a screened ground-mount on a property with land, together with the visual-impact detail Cornwall Council expects. Plenty of Cornish holiday lets already run solar under exactly these constraints; sympathetic siting is the key, and it is worth establishing the property’s conservation-area and listing status before design begins. The national solar panel planning rules set the framework, and a Padstow install should be designed to them from the outset.

Grid, DNO and the case for a battery

Padstow sits on the National Grid Electricity Distribution network (the former Western Power Distribution area) that serves the South West, and parts of rural North Cornwall run on capacity-constrained rural feeders. For a single cottage or lodge, a small array up to 3.68 kW per phase notifies under G98 (connect-and-notify); a larger array, or one paired with a battery and EV charging, needs a G99 application to the DNO before connection. We check the connection position early so sizing is realistic rather than optimistic.

A battery usually earns its place on a Padstow let because the defining loads fall outside peak sun. The hot tub runs into the evening, the changeover hot-water re-heat often happens late in the day, and guest EV charging is frequently an overnight event. A battery stores midday generation and releases it after dark, so stored Cornish sun runs the tub and the evening charge rather than expensive peak-rate grid electricity. We size storage to a property’s actual in-season load pattern, not a default figure.

Indicative sizing and cost for a Padstow let

These are scoping ranges for a conversation, not quotes. Real sizing needs the property’s own consumption, roof orientation and hot-tub and EV load.

• Single self-catering cottage with a hot tub: an indicative 4-8 kW array plus a 5-10 kWh battery, roughly £7,000-£16,000, indicative payback 8-10 years.
• Premium coastal lodge or barn conversion with EV point: an indicative 5-10 kW array plus a 5-13 kWh battery, roughly £9,000-£20,000.
• A small cluster of cottages with shared reception or laundry: a site-wide approach on the buildings you pay for, with a half-hourly meter read and a G99 application.

The hot tub is the swing factor. A Padstow cottage without one looks like a modest domestic system on a longer payback; add a season-long hot-tub load and a battery to time-shift it and self-consumption, and therefore return, rise sharply. You can explore the full picture on our typical costs and payback guide.

A Padstow-shaped self-catering market

Padstow’s self-catering stock is unusually dense for a small town. The Camel Estuary corridor — Padstow itself, plus Rock, Trebetherick, St Merryn and the beaches at Constantine and Trevone — is one of the most concentrated holiday-let markets in Cornwall, dominated by owner-operator cottages, converted fishermen’s dwellings and premium coastal properties rather than large parks. That shape matters for solar. It means most decisions here are made by a single owner or a couple running one or two properties as a business, so the process is direct, and it means the buildings are individual roofs rather than a shared estate. Each install is designed to one property’s roof pitch, orientation and shading, and to that property’s own hot-tub, hot-water and EV pattern.

It also means the competitive pressure is real. On a coast this crowded, running costs and green credentials are increasingly part of how a listing differentiates itself, and an owner who has already fitted solar and a battery has a lower cost base going into each pricing decision than one still buying every kilowatt-hour at peak rate. For a premium Rock or Trebetherick property competing at the top of the market, a visible array and a quiet, self-powered hot tub are part of the proposition, not just a utility saving.

A worked Padstow example (illustrative, not a quote)

Consider — as an illustrative model, not a real customer or a fixed quote — a converted barn let above the estuary, off the gas grid on an oil boiler with electric immersion backup, with a six-person hot tub and around 85% occupancy from April to October. The owners fit an indicative 6 kW roof array on a rear, non-highway-facing slope out of the conservation-area sightlines, paired with a 10 kWh battery. Across the season the array covers the bulk of the daytime hot-tub heating and the changeover hot-water re-heat directly; the battery stores midday generation to run the tub and any evening guest EV charge after dark, so far less is bought at peak rate. Through the quiet winter, with occupancy low, surplus exports under the Smart Export Guarantee. Indicative payback lands in the 8-10 year range and sharpens with heavier hot-tub use or a guest charge point. This is a scoping illustration to show the shape of the numbers, not a promise — real figures come from the property’s own consumption.

Common questions from Padstow holiday-let owners

Will a coastal, salt-air location shorten the life of my panels? Not if the system is specified for the setting. Quality panels are rated for coastal use, but the mounting rails, clamps and fixings are where salt corrosion shows first, so on a Padstow estuary or Trevone cliff-side property those components should be marine-grade or equivalent and the array designed for local wind loading. That is a specification choice at design stage rather than an ongoing problem, and it is one a Cornwall-coast install should build in from the outset.

Can I put solar on a listed cottage in the Padstow harbour conservation area? Often, but with consent and careful siting. Listed buildings always need Listed Building Consent, and a conservation area rules out PV on a wall or roof slope fronting a highway. In practice that usually means a rear or side pitch out of the public view, and sometimes a screened ground-mount if the property has land. It is worth confirming the listing and conservation-area status before design so the layout is drawn to what will actually be permitted, rather than being redrawn after a refusal.

The tax position changed in April 2025 — take your own tax advice

If you have run your Padstow let as a Furnished Holiday Let, the tax treatment of an investment like solar has changed and you should not assume the old rules apply. The Furnished Holiday Lettings regime was abolished from 6 April 2025 (1 April 2025 for companies). Personally-held lets are now treated as an ordinary property business and can no longer write solar down as plant and machinery under capital allowances; only Replacement of Domestic Items Relief applies, and that is for furnishings, not solar. A let held in a limited company may still treat solar as qualifying plant and use the capital allowances regime, depending on its structure. We are not tax advisers, so take your own tax advice — but we will not pretend the old FHL allowances still stand, because they do not. The routes that still apply cleanly are the Smart Export Guarantee for off-season export and, for qualifying residential installs, 0% VAT to 31 March 2027 (a residential relief whose application to a purely commercial let is not clear-cut).

Cornwall’s carbon context and the booking advantage

Cornwall Council declared a climate emergency in 2019 and, having reset its original 2030 ambition, now works to a 2045 carbon-neutral target for its own operations, with an emphasis on local renewable generation across the county. For a Padstow owner the more immediate driver is commercial: eco-conscious guests increasingly choose greener stays, and on-site solar is auditable evidence for a Green Tourism award that measurably helps direct and platform-booking visibility. Several Cornish owners now mention their solar and low running costs directly in their listings to stand out on a crowded coast.

Padstow holiday-let solar in brief

A Padstow let is a strong solar case, not a marginal one, because the estuary’s April-to-October peak is also its sunniest window, because so many local properties are off the gas grid on costly fuel, and because the hot tub and guest EV charging give a battery real work to do. The constraints — conservation-area and AONB siting, coastal specification, a rural DNO connection — are all manageable with a design built for this coast rather than a suburban roof.

If you own a cottage, barn conversion or lodge around Padstow, Wadebridge, Rock or St Merryn, request a free quote and we will model your occupancy against the generation curve. We cover the wider region too — see our pages for Aberystwyth on the Welsh coast and, for larger multi-unit sites, our sister service for holiday parks. You can also read how solar works for a self-catering cottage or a lodge or cabin specifically.