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- Harman Construction Limited
Company profile · Specialist contractors
Harman Construction Limited
Harman Construction Limited is a 17-year-old private limited company registered in Buntingford, company number 06812683, one of 8 specialist construction companies in Buntingford. 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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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Harman Construction Limited over the years
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 £14K (-98.8%) on the year before, to £166.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £54K against £81K owed within a year: 0.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £166 | £6,881 | £54K | £81K | 2 |
| 31 Mar 2024 | £14K | £39K | £84K | £75K | 2 |
| 31 Mar 2023 | £3,158 | £12K | £68K | £70K | 2 |
| 31 Mar 2022 | £1,627 | £20K | £68K | £69K | 2 |
| 31 Mar 2021 | £2,414 | £44K | £96K | £96K | 2 |
| 31 Mar 2020 | £30K | £9,448 | £71K | £45K | 2 |
| 31 Mar 2019 | £43K | £36K | £105K | £67K | 2 |
| 31 Mar 2018 | £15K | £20K | £53K | £45K | 2 |
| 31 Mar 2017 | £8,223 | £19K | £87K | £84K | |
| 31 Mar 2016 | £14K | £36K | £75K | £80K |
Where Harman Construction Limited is registered
The registered office is in Buntingford (SG9), in the East Hertfordshire local authority area, East of England. Show SG9 9SZ on a map.
Other trade companies in SG9
- WMM Engineering LimitedMachinery repair and installation
- Bigger Builds LtdBuilders
- Carr Trade LtdMotor traders
- Hare Construction LimitedBuilders
- Apex Shading Solutions LtdInstallers
- Meister Vehicle Sales LimitedMotor traders
- Dzus LtdMotor traders
- Crowngate Construction LtdBuilders
Also registered at this address
4 other companies use the same registered office as Harman Construction Limited.
- A-Lek LimitedElectricians
- Agt Electrics LimitedElectricians
- Buntingford Construction Services LimitedSpecialist contractors
- NB Skip Hire LtdGroundworks and demolition
What happens if Harman Construction 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 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
- 06812683
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 February 2009 (17 years ago)
- Registered office
- 28 Mill Close, Buntingford, SG9 9SZ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 26 November 2025
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 Buntingford
Other active specialist construction companies registered in Buntingford.
- Prowall Limited2018
- Sandon Property Developments Ltd2025
- Select Air Conditioning Limited2015
- Tache Solutions Ltd2017
- The O & E Consultancy Ltd2024
- Bellevalia Limited2022
- Buntingford Construction Services Limited2020
All specialist construction companies in Buntingford · All trades in Buntingford · Specialist contractors across the UK
Frequently asked questions
When are Harman Construction Limited's accounts due?
Harman Construction Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Harman Construction Limited'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 Harman Construction Limited still trading?
Harman Construction 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 Harman Construction Limited do?
Harman Construction Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Harman Construction Limited?
Harman Construction Limited was incorporated on 6 February 2009, 17 years ago.
What is the penalty if Harman Construction 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 Harman Construction 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.