- Companies
- Property developers
- Andover
- S O'Brien Build Ltd
S O'Brien Build Ltd
- Company number
- 15177972
- Incorporated
- 30 Sep 20233 years trading
- Registered office
- 21 Blueberry Gardens, Andover, SP10 3XD
- Nature of business
- Development of building projects
S O'Brien Build Ltd is a 3-year-old private limited company registered in Andover, company number 15177972, one of 37 property development companies in Andover. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £516 (+2.4%) on the year before, to £22K.
- Current assets of £28K against £8,227 owed within a year: 3.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £22K | £28K | £8,227 | 1 | |
| 30 Sep 2024 | £22K | £44K | £23K | 1 |
Where S O'Brien Build Ltd is registered
The registered office is in Andover (SP10), in the Test Valley local authority area, South East. Show SP10 3XD on a map.
Other trade companies in SP10
- Three Shires Stove Installation & Chimney Sweeping LtdCleaning companies
- Blaneys Electrical Services LimitedElectricians
- Craig White Construction LtdBuilders
- GT2 Engineering LimitedMechanics and garages
- Arniam Trading LimitedMotor traders
- Mapo Coffee Solutions LtdMachinery repair and installation
- Signature Studio Developments LtdSpecialist contractors
- Zyra Revival LtdRepair services
What happens if S O'Brien Build 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 15177972
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 September 2023 (3 years ago)
- Registered office
- 21 Blueberry Gardens, Andover, SP10 3XD
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 14 September 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Andover
Other active property development companies registered in Andover.
- SGW Property Developments Ltd2026
- W12 Interiors Ltd2021
- Weatherby Homes Limited1993
- 1ST View Developments Limited2024
- 4Walls Project Management Limited2016
- Ace Property Maintenance & Construction Limited2002
- Bottle & Glass Developments Ltd2024
- Bradec Construction Ltd.1994
All property development companies in Andover · All trades in Andover · Property developers across the UK
Frequently asked questions
When are S O'Brien Build Ltd's accounts due?
S O'Brien Build Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is S O'Brien Build Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is S O'Brien Build Ltd still trading?
S O'Brien Build 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 S O'Brien Build Ltd do?
S O'Brien Build Ltd is registered under Development of building projects (SIC 41100).
How old is S O'Brien Build Ltd?
S O'Brien Build Ltd was incorporated on 30 September 2023, 3 years ago.
What is the penalty if S O'Brien Build 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 S O'Brien Build 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.