- Companies
- Electricians
- Bishop Auckland
- Harmonics Renewables Limited
Harmonics Renewables Limited
- Company number
- 14526501
- Incorporated
- 7 Dec 20223 years trading
- Registered office
- Kensington House, 3 Kensington, Bishop Auckland, County Durham, DL14 6HX
- Nature of business
- Electrical installation
Harmonics Renewables Limited is a 3-year-old private limited company registered in Bishop Auckland, company number 14526501, one of 37 electrical contractors in Bishop Auckland. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £937 (-28.4%) on the year before, to £2,362.
- Current assets of £7,023 against £5,433 owed within a year: 1.3 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £2,362 | £1,013 | £7,023 | £5,433 | 2 |
| 31 Mar 2025 | £3,299 | £9,428 | £41K | £39K | 1 |
| 31 Mar 2024 | -£750 | £102 | £242 | £992 | 0 |
Where Harmonics Renewables Limited is registered
The registered office is in Bishop Auckland (DL14), in the County Durham local authority area, North East. Show DL14 6HX on a map.
Other trade companies in DL14
- FJ Maintenance Ne LtdSpecialist contractors
- MTS Electrics LtdElectricians
- TMRC LtdSpecialist contractors
- Bishop Car Wash LtdCleaning companies
- Victory Roofing LtdRoofers
- Rend-Pro North East LimitedProperty developers
- Vickers Detailing LimitedCleaning companies
- Orchard Tree Care Services LtdLandscapers and gardeners
Also registered at this address
19 other companies use the same registered office as Harmonics Renewables Limited.
- A Dennis Contracting LimitedElectricians
- Adamnewby LimitedCivil engineering
- B & A Mini Digger Hire LimitedSpecialist contractors
- Bailey Concrete Pumping LimitedSpecialist contractors
- Bondisle Garage LimitedMotor traders
- C Harrison Electrical Services LtdElectricians
- CBS Installations LimitedJoiners and carpenters
- Ect Electrical LimitedElectricians
- G R Martin LimitedFinishing trades
- H.S. Carlsteel Engineering LimitedCivil engineering
- Harmonics Electrical LimitedElectricians
- JRB Partitions LtdFinishing trades
- M & R Developments & Contractors LtdFinishing trades
- MH Fencing and Gates LimitedLandscapers and gardeners
- Nedco Contracts (N.E) LimitedBuilders
- NMB Partitions LimitedFinishing trades
- Reuben Smith (Plant Hire) LimitedSpecialist contractors
- S Peart Construction LimitedProperty developers
- Sight Construction LimitedBuilders
What happens if Harmonics Renewables 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 14526501
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 December 2022 (3 years ago)
- Registered office
- Kensington House, 3 Kensington, Bishop Auckland, County Durham, DL14 6HX
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 20 August 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Bishop Auckland
Other active electrical contractors registered in Bishop Auckland.
- Integrated Technical Solutions Limited2003
- JR Smith Electrical Services Limited2021
- Lee Stockdale (Electricals) Limited2007
- Light & Ignite Ltd2021
- MTS Electrics Ltd2026
- Ofc Electrical Ltd2022
- R Lightfoot Limited2004
- R.P. Child Electrical Contractors Limited2006
All electrical contractors in Bishop Auckland · All trades in Bishop Auckland · Electricians across the UK
Frequently asked questions
When are Harmonics Renewables Limited's accounts due?
Harmonics Renewables Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Harmonics Renewables Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Harmonics Renewables Limited still trading?
Harmonics Renewables 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 Harmonics Renewables Limited do?
Harmonics Renewables Limited is registered under Electrical installation (SIC 43210).
How old is Harmonics Renewables Limited?
Harmonics Renewables Limited was incorporated on 7 December 2022, 3 years ago.
What is the penalty if Harmonics Renewables 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 Harmonics Renewables 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.