Hertspro Ltd
- Company number
- 08811671
- Incorporated
- 12 Dec 201312 years trading
- Registered office
- 2 Douglas Way, Welwyn Garden City, Hertfordshire, AL7 2LZ
- Nature of business
- Other specialised construction activities n.e.c.
Hertspro Ltd is a 12-year-old private limited company registered in Welwyn Garden City, company number 08811671, one of 23 specialist construction companies in Welwyn Garden City. 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 up £416 (+51.9%) on the year before, to £1,218.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £8,002 against £6,784 owed within a year: 1.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 | £1,218 | £8,002 | £6,784 | 0 | |
| 31 Mar 2024 | £802 | £8,988 | £8,186 | 0 | |
| 31 Mar 2023 | £12K | £26K | £14K | 0 | |
| 31 Mar 2022 | £12K | £30K | £18K | 0 | |
| 31 Mar 2021 | £12K | £22K | £11K | 0 | |
| 31 Mar 2020 | £3,281 | £22K | £19K | 0 | |
| 31 Mar 2019 | £255 | £13K | £13K | ||
| 31 Mar 2018 | £495 | £7,948 | £7,453 | ||
| 31 Mar 2017 | £246 | £1,263 | £8,155 | £7,909 | |
| 31 Mar 2016 | £739 | £1,656 | £6,306 | £5,567 |
Where Hertspro Ltd is registered
The registered office is in Welwyn Garden City (AL7), in the Welwyn Hatfield local authority area, East of England. Show AL7 2LZ on a map.
Other trade companies in AL7
- Mechanicalwise LtdInstallers
- Azalea Services LimitedSpecialist contractors
- Malmech and Mannion LimitedMechanics and garages
- T&D Construction Group LtdFinishing trades
- Vertec Roofing and Building LtdRoofers
- Selectlane LtdMotor traders
- Af Pressure Washing LtdCleaning companies
- Jet Professional LtdCleaning companies
What happens if Hertspro 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
- 08811671
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 December 2013 (12 years ago)
- Registered office
- 2 Douglas Way, Welwyn Garden City, Hertfordshire, AL7 2LZ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 12 December 2025
- Previous names
- Cal UK Property Services Ltd (until 3 Mar 2014)
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 Welwyn Garden City
Other active specialist construction companies registered in Welwyn Garden City.
- HVR Tanner Ltd2023
- Infinity Plant Ltd2020
- JSP Commercial Ltd2026
- Kenmore Property Services Limited2006
- L & D Window Restoration Limited2019
- Luk-Al Ltd2014
- Mike Worby Survey Consultancy Ltd2015
- Orton Lifts & Escalators Ltd2004
All specialist construction companies in Welwyn Garden City · All trades in Welwyn Garden City · Specialist contractors across the UK
Frequently asked questions
When are Hertspro Ltd's accounts due?
Hertspro 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 Hertspro 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 Hertspro Ltd still trading?
Hertspro 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 Hertspro Ltd do?
Hertspro Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Hertspro Ltd?
Hertspro Ltd was incorporated on 12 December 2013, 12 years ago.
What is the penalty if Hertspro 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 Hertspro 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.