- Companies
- Specialist contractors
- Durham
- HV Testing and Design Ltd
HV Testing and Design Ltd
- Company number
- 12971830
- Incorporated
- 23 Oct 20205 years trading
- Registered office
- 38 Hilltop Road, Bearpark, Durham, DH7 7TL
- Nature of business
- Other specialised construction activities n.e.c.; Engineering related scientific and technical consulting activities; Other engineering activities; Technical testing and analysis
HV Testing and Design Ltd is a 5-year-old private limited company registered in Durham, company number 12971830, one of 67 specialist construction companies in Durham. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £24K (-61.8%) on the year before, to £15K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £56K against £25K owed within a year: 2.2 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £15K | £56K | £25K | 2 | |
| 31 Mar 2024 | £40K | £91K | £33K | 2 | |
| 31 Mar 2023 | £16K | £31K | £15K | 2 | |
| 31 Oct 2021 | £10K | £28K | £12K | 2 |
Where HV Testing and Design Ltd is registered
The registered office is in Durham (DH7), in the County Durham local authority area, North East. Show DH7 7TL on a map.
Other trade companies in DH7
- Kenny's Groundworks LimitedCivil engineering
- Fastfit Automotive LimitedMechanics and garages
- Adobe Builders LtdFinishing trades
- Unlimited Labs LtdCivil engineering
- HLS Domestic Installations LtdInstallers
- J Moore Brickwork LtdBuilders
- Signature Developments (Ne) LtdBuilders
- D.R Groundworks & Landscaping Services LtdBuilders
What happens if HV Testing and Design Ltd 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 12971830
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 October 2020 (5 years ago)
- Registered office
- 38 Hilltop Road, Bearpark, Durham, DH7 7TL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Engineering related scientific and technical consulting activities (SIC 71122)
Other engineering activities (SIC 71129)
Technical testing and analysis (SIC 71200) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 25 April 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Durham
Other active specialist construction companies registered in Durham.
- Irts Property Maintenance Ltd2019
- JSC Construction Ne Ltd2025
- L. D. F Fencing & Gardening Services Ltd2022
- M F Pointing Limited2016
- MC Bespoke Blinds Limited2017
- North East Developments Ltd2022
- North Project Management Ltd2024
- Nvpa Ltd2024
All specialist construction companies in Durham · All trades in Durham · Specialist contractors across the UK
Frequently asked questions
When are HV Testing and Design Ltd's accounts due?
HV Testing and Design Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is HV Testing and Design Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is HV Testing and Design Ltd still trading?
HV Testing and Design Ltd 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 HV Testing and Design Ltd do?
HV Testing and Design Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Engineering related scientific and technical consulting activities (SIC 71122); Other engineering activities (SIC 71129); Technical testing and analysis (SIC 71200).
How old is HV Testing and Design Ltd?
HV Testing and Design Ltd was incorporated on 23 October 2020, 5 years ago.
What is the penalty if HV Testing and Design Ltd 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 HV Testing and Design Ltd 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.