- Companies
- Specialist contractors
- Baldock
- Ajs Construct Ltd
Ajs Construct Ltd
- Company number
- 12539907
- Incorporated
- 31 Mar 20206 years trading
- Registered office
- Ajs House Units 11 & 12 Baldock Industrial Estate, London Road, Baldock, Hertfordshire, SG7 6NG
- Nature of business
- Other specialised construction activities n.e.c.
Ajs Construct Ltd is a 6-year-old private limited company registered in Baldock, company number 12539907, one of 6 specialist construction companies in Baldock. 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 up £24K (+3%) on the year before, to £797K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £1.4M against £635K owed within a year: 2.1 times cover.
- 13 employees on average, up from 12 the year before.
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £797K | £455K | £1.4M | £635K | 13 |
| 31 Mar 2025 | £773K | £148K | £1.3M | £583K | 12 |
| 31 Mar 2024 | £792K | £233K | £1.5M | £748K | 10 |
| 31 Mar 2023 | £674K | £494K | £1.2M | £621K | 12 |
| 31 Mar 2022 | £401K | £332K | £814K | £502K | 12 |
| 31 Mar 2021 | £132K | £203K | £524K | £451K | 6 |
Public contracts won
Ajs Construct Ltd has 3 public sector contract awards on record; the ones with their own published value total £570K (2025). Source: Contracts Finder and Find a Tender award notices. 1 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- NHS Property Services Limited2 awards
- East and North Hertfordshire NHS Trust1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| East and North Hertfordshire NHS Trust | ENHT - Strathmore Renal Unit Accommodation Refurbishment | £171K | 29 May 2025 |
| NHS Property Services Limited | Ramsey Health Centre Replacement Windows and Entrance Door | £102K | 21 Jan 2025 |
| NHS Property Services Limited | Replacement Windows to Mental Health Unit at St. Margaret's Hospital | £297K | 21 Jan 2025 |
Where Ajs Construct Ltd is registered
The registered office is in Baldock (SG7), in the North Hertfordshire local authority area, East of England. Show SG7 6NG on a map.
Other trade companies in SG7
- RB Auto Group LimitedMotor traders
- Universal Energy Solutions LimitedElectricians
- RC Platinum Group LtdProperty developers
- Helmore Facilities Management LimitedFacilities management
- Utility Connection Management LtdBuilders
- GMJ Solutions LtdBuilders
- Ez.PZ Works LtdFinishing trades
- Sykes Carpentry LtdJoiners and carpenters
What happens if Ajs Construct 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 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
- 12539907
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 March 2020 (6 years ago)
- Registered office
- Ajs House Units 11 & 12 Baldock Industrial Estate, London Road, Baldock, Hertfordshire, SG7 6NG
- 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 2026
- Last confirmation statement
- 1 October 2025
- Previous names
- Ajs Construction Incorporated Ltd (until 9 Sep 2024)
Arw Contractors (Hertfordshire) Ltd (until 21 May 2020)
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 Baldock
Other active specialist construction companies registered in Baldock.
- Lawrence Thorogood Ltd2023
- Maple Tree Baldock Ltd2019
- PSB1970 Ltd2024
- The Extension Centre Limited1995
- W G Silverton & Co Limited1970
All specialist construction companies in Baldock · All trades in Baldock · Specialist contractors across the UK
Frequently asked questions
When are Ajs Construct Ltd's accounts due?
Ajs Construct Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Ajs Construct Ltd'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 Ajs Construct Ltd still trading?
Ajs Construct 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 Ajs Construct Ltd do?
Ajs Construct Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Ajs Construct Ltd?
Ajs Construct Ltd was incorporated on 31 March 2020, 6 years ago.
Has Ajs Construct Ltd won public sector contracts?
Yes. Ajs Construct Ltd has 3 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £570K), most recently from East and North Hertfordshire NHS Trust.
What is the penalty if Ajs Construct 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 Ajs Construct 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.