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Commercial building solar panels in Poole

Commercial roofs in Poole tend to be flat, membrane covered and cluttered with plant, which shapes the layout more than the size does. We check the covering and the lease together, because a roof with eight years of membrane left and a tenant with a break in three changes the answer.

965 kWh per kWp a year at this latitude, so a 210 kWp array models at about 203,000 kWh. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.

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60 m 32 m N plant screen shade, kept clear stair core edge strip 1.5 m phase 1
Drawing Poole commercial roof
Roof 60 x 32 m, 1,920 m²
Array 210 kWp, east-west
Yield 203,000 kWh/yr
Scale 1:400 / Rev A / BH14

Illustrative layout for a flat commercial roof of this size, with plant, shade and access kept clear. Your own figures come from the roof survey.

141,005
people in the Poole built-up area (ONS Census 2021)
2,150
office properties on the rating list in Bournemouth, Christchurch and Poole (VOA, March 2025)
4,070
retail properties, 160 of them large-format (VOA, March 2025)
0
named commercial rooftop schemes on the planning record nearby (REPD, Q1 2026)
The commercial edge of a South West market town, with rooftop solar on several buildings
Commercial stock of the kind we survey across South West. Generated illustration, not a named site.

Commercial rooftop solar across Dorset

Yield on a Poole commercial roof

Modelled irradiation here is 1,232 kWh per square metre a year on a low-tilt array, which works out at 965 kWh for every kWp installed (EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss). That is around 9 percent above the mean across the towns we cover.

How many commercial buildings Bournemouth, Christchurch and Poole has

On the Valuation Office Agency's count, Bournemouth, Christchurch and Poole holds 4,070 retail and 2,150 office properties on the rating list. By office stock the district sits in the top quarter of the 318 districts in England and Wales; by retail stock it sits in the top tenth of the 318 districts in England and Wales.

The big roofs are in the 160 large-format retail units, superstores and retail warehouses in the district, about 421,000 square metres of floorspace under largely single storey roofs.

The same list carries 550 hotel, leisure and assembly properties in the district. Leisure centres and hotels run seven days a week, which puts weekend generation to use that an office would export.

Source: Valuation Office Agency, Non-domestic rating: business floorspace, 31 March 2025 (published December 2025), counts and floorspace by special category code and local authority district, England and Wales.

The built-up area holds about 141,005 people, large enough for a retail park or two and a cluster of office buildings (ONS Census 2021 built-up areas).

We arrange surveys across the BH postcode area, starting from BH14.

FIG. 1 What a Poole roof makes, month by month

What a Poole roof makes, month by month

Modelled output per kWp installed, for a shallow-pitched south-facing array. Source: EU PVGIS v5.2.

050100Jan: 27 kWh per kWpJanFeb: 42 kWh per kWpFebMar: 79 kWh per kWpMarApr: 112 kWh per kWpAprMay: 130 kWh per kWpMayJun: 134 kWh per kWpJunJul: 135 kWh per kWpJul135 kWh Aug: 113 kWh per kWpAugSep: 87 kWh per kWpSepOct: 53 kWh per kWpOctNov: 32 kWh per kWpNovDec: 23 kWh per kWpDec

Jul produces 5.9 times what Dec does on the same roof. A 210 kWp array here models at about 203,000 kWh across the year, but it arrives unevenly, which is why we size against your summer daytime load and then look at whether storage is worth adding for the shoulder months.

Monthly figures as a table
MonthkWh per kWp210 kWp array
Jan275,670
Feb428,820
Mar7916,590
Apr11223,520
May13027,300
Jun13428,140
Jul13528,350
Aug11323,730
Sep8718,270
Oct5311,130
Nov326,720
Dec234,830
Source: EU PVGIS v5.2
FIG. 2 Poole against the rest of Dorset
  • Weymouth1006
  • Dorchester985
  • Christchurch981
  • Bournemouth971
  • Bridport971
  • Poole965
  • Wimborne964
  • Sherborne924

Poole ranks 6 of 8 towns we cover in Dorset on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 924 to 1006, a spread of 82 kWh per kWp. On a 210 kWp commercial roof that is about 17,220 kWh a year between the strongest and weakest town in the county.

Bars are zero based, so length is proportional to the figure. Where a county is flat, that is the finding: location is not the lever, consumption is. Source: EU PVGIS v5.2, modelled per town

Grid connection through Scottish and Southern Electricity Networks

Scottish and Southern Electricity Networks operates the distribution network across Dorset, so the export application goes to them. Anything larger than 3.68 kW per phase falls under G99, which means an application before commissioning rather than a notification afterwards. A constrained network is not the end of a scheme. Capping export costs little when the building already absorbs most of what the roof produces.

Across Dorset the planning database records 149 solar schemes totalling 1078 MW, of which 47 are operational (REPD Q1 2026).

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Send us the postcode

Tell us where the building is, roughly how big the roof is, and whether you own it or lease it. We come back with what it can carry, what it would generate against your consumption, and the three ways to pay for it.

Lenzie Consulting Ltd arranges the survey and passes your details to our MCS-certified installation partner so they can quote.

We pass your details to our MCS-certified installation partner so they can quote. Read the privacy notice.

Questions about solar in Poole

How much would solar on a commercial building in Poole generate?
The model gives 965 kWh for every kWp installed here, so 210 kWp is about 203,000 kWh a year before shading losses. Allow roughly 1,390 m² of roof for it. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.
Do we need planning permission for solar on a commercial building in Bournemouth, Christchurch and Poole?
Usually not a full application. In England, panels on the roof of a non-domestic building are permitted development under Class J of Part 14 of the General Permitted Development Order, with no capacity cap since December 2023. Above 50 kW, which covers most commercial arrays, you must first apply to Bournemouth, Christchurch and Poole for a determination on prior approval of the design and appearance, in particular glare on neighbouring land. On a flat roof panels may stand no more than 1 metre above the roof and must sit at least 1 metre from its edge, and listed buildings and scheduled monuments are excluded. See our planning permission guide for the detail.
Does solar help a Poole landlord meet MEES?
It can. A non-domestic EPC is an asset rating, and on-site generation counts in the calculation, so an array usually lifts the score. Let property in England and Wales must be EPC E or better today. The government's interim response of 18 June 2026 proposes EPC B, where cost effective, from 2031 for let buildings over 1,000 m², and drops the EPC C step once planned for 2027. How far solar moves a particular building depends on its fabric and services, which is why the EPC assessor models it before anything is fitted.
Which network operator handles the connection in Poole?
Capacity varies street by street and only Scottish and Southern Electricity Networks can answer it for your connection. We ask early, because an export-limited offer changes the design rather than ending the scheme, and most commercial buildings use most of what they generate anyway.

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