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Commercial building solar panels in Bedminster

Commercial roofs in Bedminster tend to be flat, membrane covered and cluttered with plant, which shapes the layout more than the size does. What decides a scheme is the roof covering, the parapet height and the plant layout, which is why the survey happens on the roof rather than from a satellite image.

906 kWh per kWp a year at this latitude, so a 210 kWp array models at about 190,000 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 Bedminster commercial roof
Roof 60 x 32 m, 1,920 m²
Array 210 kWp, east-west
Yield 190,000 kWh/yr
Scale 1:400 / Rev A / Bristol

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.

4,210
office properties on the rating list in Bristol, City of (VOA, March 2025)
4,430
retail properties, 120 of them large-format (VOA, March 2025)
0
named commercial rooftop schemes on the planning record nearby (REPD, Q1 2026)
Aerial view of an out-of-town retail park where some of the large unit roofs carry solar arrays and others are bare
Commercial stock of the kind we survey across Bristol. Generated illustration, not a named site.

Commercial rooftop solar across Bristol

Yield on a Bedminster commercial roof

Modelled irradiation here is 1,158 kWh per square metre a year on a low-tilt array, which works out at 906 kWh for every kWp installed (EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss). That is within a few percent of the mean across the towns we cover, so the weather is not what decides the case here. Opening hours are.

How many commercial buildings Bristol, City of has

On the Valuation Office Agency's count, Bristol, City of holds 4,430 retail and 4,210 office properties on the rating list. By office stock the district sits in the top tenth 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 120 large-format retail units, superstores and retail warehouses in the district, about 332,000 square metres of floorspace under largely single storey roofs.

The same list carries 800 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.

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

What a Bedminster roof makes, month by month

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

050100Jan: 24 kWh per kWpJanFeb: 39 kWh per kWpFebMar: 74 kWh per kWpMarApr: 108 kWh per kWpAprMay: 123 kWh per kWpMayJun: 123 kWh per kWpJunJul: 126 kWh per kWpJul126 kWh Aug: 104 kWh per kWpAugSep: 83 kWh per kWpSepOct: 51 kWh per kWpOctNov: 29 kWh per kWpNovDec: 21 kWh per kWpDec

Jul produces 6.0 times what Dec does on the same roof. A 210 kWp array here models at about 190,000 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
Jan245,040
Feb398,190
Mar7415,540
Apr10822,680
May12325,830
Jun12325,830
Jul12626,460
Aug10421,840
Sep8317,430
Oct5110,710
Nov296,090
Dec214,410
Source: EU PVGIS v5.2
FIG. 2 Bedminster against the rest of Bristol
  • Bishopston908
  • Bedminster906
  • Hengrove903
  • Keynsham902
  • Filton895

Bedminster ranks 2 of 5 towns we cover in Bristol on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 895 to 908, a spread of 13 kWh per kWp. Within Bristol that difference is small enough to ignore: where the building sits is not what decides this scheme, your consumption pattern is.

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 National Grid Electricity Distribution

Connections around Bedminster are handled by National Grid Electricity Distribution, which sets the export limit for the site. Above 3.68 kW per phase the connection runs under G99, so the export limit is agreed in advance rather than assumed. Where the local network is constrained, an export-limited connection usually still makes the scheme work, because a commercial building uses most of what the roof makes during the working day.

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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 Bedminster

What would a 210 kWp array produce in Bedminster?
Yes. At 906 kWh per kWp a year, a 210 kWp array on a Bedminster roof models at around 190,000 kWh. What changes the answer is how much of that the building uses during opening hours rather than exports. 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 Bristol, City of?
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 Bristol, City of 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 Bedminster 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 Bedminster?
Capacity varies street by street and only National Grid Electricity Distribution 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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