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Commercial building solar panels in Sandy

An office or store in Sandy buys most of its electricity between eight in the morning and six at night, which is when a roof array generates. 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.

902 kWh per kWp a year at this latitude, so a 210 kWp array models at about 189,000 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 Sandy commercial roof
Roof 60 x 32 m, 1,920 m²
Array 210 kWp, east-west
Yield 189,000 kWh/yr
Scale 1:400 / Rev A / SG19

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.

11,375
people in the Sandy built-up area (ONS Census 2021)
1,340
office properties on the rating list in Central Bedfordshire (VOA, March 2025)
1,550
retail properties, 70 of them large-format (VOA, March 2025)
1
named commercial rooftop scheme on the planning record nearby (REPD, Q1 2026)
Offices and a retail park on the edge of a town in the east of England, several roofs carrying solar
Commercial stock of the kind we survey across East of England. Generated illustration, not a named site.

Solar for offices and retail across Bedfordshire

How much sun a Sandy roof gets

Modelled irradiation here is 1,155 kWh per square metre a year on a low-tilt array, which works out at 902 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.

The rating list for Central Bedfordshire

The Valuation Office Agency's rating list puts 1,340 office and 1,550 retail properties in Central Bedfordshire, covering about 171,000 and 304,000 square metres of floorspace respectively. By office stock the district sits above the median of the 318 districts in England and Wales; by retail stock it sits above the median of the 318 districts in England and Wales.

The big roofs are in the 70 large-format retail units, superstores and retail warehouses in the district, about 143,000 square metres of floorspace under largely single storey roofs.

The same list carries 420 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.

Commercial rooftop solar already planned near Sandy

The Renewable Energy Planning Database records one roof-mounted scheme on supermarket and retail buildings in this postcode district. These are other organisations' projects, listed from the public record, not ours.

Scheme Applicant Type Capacity Status
Tesco Stores, New Road Tesco Plc retail 0.27 MW Application Submitted

The built-up area holds about 11,375 people, so the stock here runs to high street premises, a supermarket or two and the odd hotel (ONS Census 2021 built-up areas).

We arrange surveys across the SG postcode area, starting from SG19.

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

What a Sandy 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: 103 kWh per kWpAprMay: 121 kWh per kWpMayJun: 124 kWh per kWpJun124 kWh Jul: 124 kWh per kWpJulAug: 106 kWh per kWpAugSep: 83 kWh per kWpSepOct: 52 kWh per kWpOctNov: 31 kWh per kWpNovDec: 21 kWh per kWpDec

Jun produces 5.9 times what Dec does on the same roof. A 210 kWp array here models at about 189,000 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
Apr10321,630
May12125,410
Jun12426,040
Jul12426,040
Aug10622,260
Sep8317,430
Oct5210,920
Nov316,510
Dec214,410
Source: EU PVGIS v5.2
FIG. 2 Sandy against the rest of Bedfordshire
  • Biggleswade902
  • Sandy902
  • Bedford900
  • Luton899
  • Flitwick899
  • Dunstable893
  • Leighton Buzzard892

Sandy ranks 2 of 7 towns we cover in Bedfordshire on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 892 to 902, a spread of 10 kWh per kWp. Within Bedfordshire 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 UK Power Networks

UK Power Networks operates the distribution network across Bedfordshire, 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 Bedfordshire the planning database records 89 solar schemes totalling 837 MW, of which 16 are operational (REPD Q1 2026).

All solar on record near SG19

Every scheme in this postcode district in the government's Renewable Energy Planning Database, Q1 2026, ground and roof mounted, commercial or not. None of them is ours. Together they are a fair guide to how the local network has been treating export applications.

Scheme Operator Capacity Mounting Status
Waterloo solar park Lightsource Renewable Energy 14.6 MW Ground Operational
Flamingo Flowers Standard Life Investments Property Holdings 0.5 MW Ground Application Withdrawn
Moggerhanger Road, Sandy - Solar Farm Kach Capital Estates Limited 7 MW Ground Application Submitted
Lowfield Farm - Solar Farm Renewable Connections Developments Limited 26.5 MW Ground Awaiting Construction
Tesco Stores, New Road - Solar Panels Tesco Plc 0.27 MW Roof Application Submitted
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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 Sandy

Is there enough sun in Sandy for a commercial roof array?
Modelled at 902 kWh per kWp a year for a low-tilt array at this latitude, a 210 kWp system comes out at roughly 189,000 kWh a year before shading. It needs about 1,390 m² of flat roof once the edge strip, plant and walkways are kept clear. 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 Central Bedfordshire?
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 Central Bedfordshire 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 Sandy 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 Sandy?
Capacity varies street by street and only UK Power 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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