- Companies
- Installers
- Washington
- Prenergy Limited
Prenergy Limited
- Company number
- 10123085
- Incorporated
- 14 Apr 201610 years trading
- Registered office
- 85 Wellburn Road, Washington, NE37 1DB
- Nature of business
- Other construction installation
Prenergy Limited is a 10-year-old private limited company registered in Washington, company number 10123085, one of 15 installation companies (insulation, lifts, shutters and similar) in Washington. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £1,914 (-1.2%) on the year before, to £158K.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £164K against £4,837 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £158K | £164K | £4,837 | 1 | |
| 30 Apr 2024 | £160K | £218K | £57K | 1 | |
| 30 Apr 2023 | £164K | £219K | £54K | 1 | |
| 30 Apr 2022 | £186K | £221K | £34K | 1 | |
| 30 Apr 2021 | £218K | £284K | £65K | 2 | |
| 30 Apr 2020 | £237K | £270K | £31K | 2 | |
| 30 Apr 2019 | £230K | £292K | £61K | ||
| 30 Apr 2018 | £137K | £178K | £40K | ||
| 30 Apr 2017 | £73K | £124K | £51K |
Where Prenergy Limited is registered
The registered office is in Washington (NE37), in the Sunderland local authority area, North East. Show NE37 1DB on a map.
Other trade companies in NE37
- G Hall Electricians LtdCivil engineering
- GP Automotive LtdMechanics and garages
- Scaffolding Infrastructure Group LimitedScaffolders
- Washington Rotating Electrics LimitedMotor traders
- McKenzie Weld LtdSpecialist contractors
- Truespec Scaffolding LtdScaffolders
- Proper Mint Detailing LimitedMechanics and garages
- Ans MOT LimitedMechanics and garages
What happens if Prenergy Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 10123085
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 April 2016 (10 years ago)
- Registered office
- 85 Wellburn Road, Washington, NE37 1DB
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 13 April 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Washington
Other active installation companies (insulation, lifts, shutters and similar) registered in Washington.
- Proofstand Limited1992
- S&S Utility's Limited2013
- Solid Granite Surfaces Limited2019
- Tyne Solar Solutions Ltd2026
- As Pipefitting Services Ltd2025
- Atlas Blinds and Shutters Limited2022
- Castlemead Homecraft Limited2004
- Crawfords Maintenance and Access Ltd2019
All installation companies (insulation, lifts, shutters and similar) in Washington · All trades in Washington · Installers across the UK
Frequently asked questions
When are Prenergy Limited's accounts due?
Prenergy Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Prenergy Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Prenergy Limited still trading?
Prenergy Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Prenergy Limited do?
Prenergy Limited is registered under Other construction installation (SIC 43290).
How old is Prenergy Limited?
Prenergy Limited was incorporated on 14 April 2016, 10 years ago.
What is the penalty if Prenergy Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Prenergy Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.