Document PF-DOM-01  /  Domestic schedule

The spec sheet.

Four documented builds: what is in the price, what is not, and the panel layout that produces it. Nothing here is a quote. The figure becomes binding once your roof has been surveyed.

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Isometric drawing of a house carrying a fourteen panel solar array A line drawing of a two storey house seen from above and to one side. The full width roof plane faces the viewer and carries fourteen rectangular panels in two rows of seven, picked out in bright yellow green and filling most of the roof. A dimension line above the ridge records the array width as 8.06 metres. Leader lines label the array as fourteen 430 watt panels, an inverter high on the gable wall and a 13.5 kilowatt hour battery lower on the same wall. 8.06 m ARRAY INVERTER BATTERY 14 x 430W Hybrid, loft 13.5 kWh S ROOF ASPECT
Fig. 2  PF-S6B13, typical setting out on a 9.4 m roof.
NotesHow to read this sheet
  1. Note 01

    Every price is a starting figure

    Each build is priced for a standard pitched roof with straightforward scaffold access and a suitable existing consumer unit. Where your house differs, the difference is priced as its own line rather than absorbed into the total.

  2. Note 02

    Exclusions are listed against each build

    The right hand column of each build lists what the published figure does not cover, so a survey finding arrives as a known line item.

  3. Note 03

    No generation or saving figures

    Any yield or payback number produced before a roof has been measured is guesswork. Your surveyor produces a calculated figure with the assumptions written alongside it.

ScheduleFour documented builds

PF-S4

4kW solar

Ten panels on a single plane, no storage. The simplest thing we fit, and still the right answer for a household that is out all day and on a flat rate tariff.

Price from £5,300
Array4.3 kWp
Panels10 x 430W
StorageNone
Power cut backupNo
Typical time on site1 to 2 days
VAT0%

Included in the price

  • 1.0110 x 430W all-black monocrystalline panels
  • 1.02In-roof or on-roof mounting system, fixed to rafters
  • 1.03Hybrid inverter, sized for a battery to be added later
  • 1.04Generation metering and isolation
  • 1.05Scaffolding, erection, hire period and removal
  • 1.06Bird protection to all panel edges
  • 1.07Network operator notification submitted for you
  • 1.08Handover pack, drawings and paperwork
  • 1.09Making good and site clearance

Not included

  • 1.20Roof repairs found at survey, including slipped or broken tiles
  • 1.21Non-standard scaffold: restricted access, over a conservatory, on a highway or requiring a permit
  • 1.22Consumer unit upgrades or remedial earthing
  • 1.23Tree work or vegetation clearance for shading
  • 1.24Structural work, including rafter strengthening
  • 1.25Asbestos survey or removal
  • 1.26Planning or listed building consent where required

Setting out

Setting out drawing for PF-S4: ten panels in two rows of five, centred on the roof plane

2 rows of 5, centred. Array width 5.75 m.

PF-S4B5

4kW solar and 5kWh battery

The same ten panels with a small store. Sized to hold the afternoon and release it across the evening rather than to carry the house overnight.

Price from £7,900
Array4.3 kWp
Panels10 x 430W
Storage5 kWh
Power cut backupNo
Typical time on site2 days
VAT0%

Included in the price

  • 2.0110 x 430W all-black monocrystalline panels
  • 2.02Mounting system fixed to rafters
  • 2.03Hybrid inverter and smart meter link
  • 2.045kWh battery, wall or floor mounted, sited at survey
  • 2.05Battery isolation, protection and labelling
  • 2.06Scaffolding, erection, hire period and removal
  • 2.07Bird protection to all panel edges
  • 2.08Network operator notification submitted for you
  • 2.09Commissioning, app setup and handover pack

Not included

  • 2.20Roof repairs found at survey, including slipped or broken tiles
  • 2.21Non-standard scaffold: restricted access, over a conservatory, on a highway or requiring a permit
  • 2.22Consumer unit upgrades or remedial earthing
  • 2.23Tree work or vegetation clearance for shading
  • 2.24Structural work, including rafter strengthening
  • 2.25Building work to create a battery position, such as a plinth or a stud wall
  • 2.26Tariff changes, which are yours to arrange with your supplier

Setting out

Setting out drawing for PF-S4B5: ten panels in two rows of five, centred on the roof plane

2 rows of 5, centred. Array width 5.75 m.

PF-S4B10  Most specified

4kW solar and 10kWh battery

The build that comes off this sheet more often than any other. Storage enough to run a household overnight, and enough to fill on a cheap night rate through the winter when the roof is doing less.

Price from £9,300
Array4.3 kWp
Panels10 x 430W
Storage10 kWh
Power cut backupNo
Typical time on site2 days
VAT0%

Included in the price

  • 3.0110 x 430W all-black monocrystalline panels
  • 3.02Mounting system fixed to rafters
  • 3.03Hybrid inverter and smart meter link
  • 3.0410kWh battery, wall or floor mounted, sited at survey
  • 3.05Configuration for a cheap-rate night tariff
  • 3.06Battery isolation, protection and labelling
  • 3.07Scaffolding, erection, hire period and removal
  • 3.08Bird protection to all panel edges
  • 3.09Commissioning, app setup and handover pack

Not included

  • 3.20Roof repairs found at survey, including slipped or broken tiles
  • 3.21Non-standard scaffold: restricted access, over a conservatory, on a highway or requiring a permit
  • 3.22Consumer unit upgrades or remedial earthing
  • 3.23Tree work or vegetation clearance for shading
  • 3.24Structural work, including rafter strengthening
  • 3.25Building work to create a battery position, such as a plinth or a stud wall
  • 3.26Power cut backup, which needs the gateway in PF-S6B13

Setting out

Setting out drawing for PF-S4B10: ten panels in two rows of five, centred on the roof plane

2 rows of 5, centred. Array width 5.75 m.

PF-S6B13

5 to 6kW solar and 13.5kWh battery

A wider array, a larger store and a backup gateway that keeps selected circuits live when the network goes down. This one needs the roof to be big enough, which is the first thing the survey checks.

Price from £12,500
Array6.0 to 6.9 kWp
Panels14 to 16 x 430W
Storage13.5 kWh
Power cut backupYes, selected circuits
Typical time on site2 to 3 days
VAT0%

Included in the price

  • 4.0114 to 16 x 430W all-black monocrystalline panels
  • 4.02Mounting system fixed to rafters, two planes where needed
  • 4.03Hybrid inverter and smart meter link
  • 4.0413.5kWh battery, sited at survey
  • 4.05Backup gateway and a dedicated backup distribution board
  • 4.06Selection and labelling of the circuits that stay live
  • 4.07Configuration for a cheap-rate night tariff
  • 4.08Scaffolding, bird protection and safe access
  • 4.09Commissioning, witness test of the backup and handover pack

Not included

  • 4.20Roof repairs found at survey, including slipped or broken tiles
  • 4.21Non-standard scaffold: restricted access, over a conservatory, on a highway or requiring a permit
  • 4.22Consumer unit upgrades or remedial earthing
  • 4.23Tree work or vegetation clearance for shading
  • 4.24Structural work, including rafter strengthening
  • 4.25Rewiring circuits so that they can be moved onto the backup board
  • 4.26Whole-house backup, which is a different design and a different price

Setting out

Setting out drawing for PF-S6B13: fourteen panels in two rows of seven, filling the roof plane

2 rows of 7, full width. Array width 8.06 m.

Appendix AVAT relief

0% VAT ends on 31 March 2027.

Qualifying domestic installations of solar and battery storage are currently zero rated for VAT. From 1 April 2027 the rate returns to 5%. On a £9,300 system that difference is about £465.

Every figure on this sheet is shown with the relief applied, which is why each one is marked 0%.

Get my price

0%

  • Rate today0%
  • Relief ends31.03.2027
  • Rate from 01.04.20275%
  • Difference on £9,300about £465