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Commercial building solar panels in Ilkley

Whether solar pays on a Ilkley commercial building depends less on the panels than on who owns the roof and who pays the bill. Each survey records the usable area once edge strips, plant and walkways are taken out, the load the deck can take, and whether the lease lets the occupier alter the roof.

813 kWh per kWp a year at this latitude, so a 210 kWp array models at about 171,000 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 Ilkley commercial roof
Roof 60 x 32 m, 1,920 m²
Array 210 kWp, east-west
Yield 171,000 kWh/yr
Scale 1:400 / Rev A / LS29

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.

14,845
people in the Ilkley built-up area (ONS Census 2021)
3,720
office properties on the rating list in Bradford (VOA, March 2025)
5,990
retail properties, 150 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 West Yorkshire town, several flat roofs carrying solar, moorland behind
Commercial stock of the kind we survey across Yorkshire and The Humber. Generated illustration, not a named site.

Solar PV for commercial property across West Yorkshire

What a flat roof in Ilkley generates

Modelled irradiation here is 1,034 kWh per square metre a year on a low-tilt array, which works out at 813 kWh for every kWp installed (EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss). That is about 8 percent below the mean across the towns we cover, so the case here rests more on daytime consumption than on raw generation.

Commercial stock in Bradford

Bradford has 3,720 office premises and 5,990 shops and other retail premises on the non-domestic rating list, according to the Valuation Office Agency. 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.

150 of those retail properties are superstores, large food stores, large shops or retail warehouses, together about 339,000 square metres. Single storey boxes of that size are where most commercial rooftop solar actually gets built, because the roof is big, flat or shallow, and uninterrupted.

The same list carries 660 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 14,845 people, so the stock here runs to high street premises, a supermarket or two and the odd hotel (ONS Census 2021 built-up areas).

Surveys run across LS postcodes, LS29 outward.

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

What a Ilkley roof makes, month by month

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

0255075100Jan: 18 kWh per kWpJanFeb: 34 kWh per kWpFebMar: 66 kWh per kWpMarApr: 97 kWh per kWpAprMay: 117 kWh per kWpMay117 kWh Jun: 112 kWh per kWpJunJul: 116 kWh per kWpJulAug: 99 kWh per kWpAugSep: 73 kWh per kWpSepOct: 44 kWh per kWpOctNov: 24 kWh per kWpNovDec: 14 kWh per kWpDec

May produces 8.4 times what Dec does on the same roof. A 210 kWp array here models at about 171,000 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
Jan183,780
Feb347,140
Mar6613,860
Apr9720,370
May11724,570
Jun11223,520
Jul11624,360
Aug9920,790
Sep7315,330
Oct449,240
Nov245,040
Dec142,940
Source: EU PVGIS v5.2
FIG. 2 Ilkley against the rest of West Yorkshire
  • Pontefract846
  • Wakefield837
  • Dewsbury835
  • Leeds830
  • Bradford817
  • Ilkley813
  • Halifax812
  • Huddersfield811

Ilkley ranks 6 of 8 towns we cover in West Yorkshire on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 811 to 846, a spread of 35 kWh per kWp. Within West Yorkshire 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

All solar on record near LS29

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
Moorland Engineering Works, Lower Railway Road - Solar Panels Spooner Industries Limited 0.28 MW Roof Awaiting Construction

Grid connection through Northern Powergrid

Northern Powergrid is the network operator here, and their answer on export capacity shapes the design. Any commercial array above 3.68 kW per phase connects under G99 rather than G98, and the application fixes what you are allowed to push back onto the network. If the local network is tight, limiting export rarely breaks the case here: most of the generation is consumed on site while the building is working.

Across West Yorkshire the planning database records 170 solar schemes totalling 550 MW, of which 8 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 Ilkley

Is there enough sun in Ilkley for a commercial roof array?
Modelled at 813 kWh per kWp a year for a low-tilt array at this latitude, a 210 kWp system comes out at roughly 171,000 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.
Is planning permission needed for panels on a Ilkley office or shop?
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 Bradford 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.
Will rooftop solar improve the EPC rating of a let building in Ilkley?
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.
Does the grid around Ilkley have capacity for export?
Northern Powergrid is the distribution network operator for West Yorkshire. Arrays above 3.68 kW per phase connect under G99, and the application sets the export limit. It is part of the design work we arrange.

Nearby

All West Yorkshire locations