- Companies
- Property developers
- Blackwood
- S P Building Developments Limited
S P Building Developments Limited
- Company number
- 10476683
- Incorporated
- 14 Nov 20169 years trading
- Registered office
- 1 Trem Y Ffynnon the Rise, Fairview, Blackwood, NP12 3PN
- Nature of business
- Development of building projects
S P Building Developments Limited is a 9-year-old private limited company registered in Blackwood, company number 10476683, one of 22 property development companies in Blackwood. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £63K (-57%) on the year before, to £47K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £221K against £457K owed within a year: 0.5 times cover.
- 4 employees on average, up from 3 the year before.
- Balance sheets on record for 8 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £47K | £71K | £221K | £457K | 4 |
| 31 Jul 2024 | £110K | £245K | £565K | £467K | 3 |
| 31 Mar 2023 | £33K | £44K | £305K | £285K | 2 |
| 31 Mar 2022 | £49K | £207K | £167K | 2 | |
| 31 Mar 2021 | £9,848 | £146K | £151K | 2 | |
| 31 Mar 2020 | £2,753 | £80K | £89K | 3 | |
| 31 Mar 2019 | £28K | £66K | £42K | ||
| 30 Nov 2017 | £14K | £28K | £42K |
Where S P Building Developments Limited is registered
The registered office is in Blackwood (NP12), in the Caerphilly local authority area, Wales. Show NP12 3PN on a map.
Other trade companies in NP12
- Hohm Property Group LtdProperty developers
- R&C Mechanics LimitedMechanics and garages
- M & R Property Solutions (SW) LimitedFinishing trades
- JLH Scaffolding LtdScaffolders
- SM Contracting SW LtdBuilders
- Top Notch Carpentry Services LimitedInstallers
- Cardiff Bathrooms LtdFinishing trades
- CB Brickwork & Building LtdSpecialist contractors
What happens if S P Building Developments 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 10476683
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 November 2016 (9 years ago)
- Registered office
- 1 Trem Y Ffynnon the Rise, Fairview, Blackwood, NP12 3PN
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 13 November 2025
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 Blackwood
Other active property development companies registered in Blackwood.
- SH Hire & Groundworks Ltd2025
- T J Brickwork Limited2022
- Transform Properties Ltd2020
- Woodcraft Wales Limited2006
- Aelwyd Refurbishments Limited2026
- D & D Substructures Limited2024
- Gear Group UK Limited2025
- Grankoak Developments Ltd2026
All property development companies in Blackwood · All trades in Blackwood · Property developers across the UK
Frequently asked questions
When are S P Building Developments Limited's accounts due?
S P Building Developments Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is S P Building Developments Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is S P Building Developments Limited still trading?
S P Building Developments 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 S P Building Developments Limited do?
S P Building Developments Limited is registered under Development of building projects (SIC 41100).
How old is S P Building Developments Limited?
S P Building Developments Limited was incorporated on 14 November 2016, 9 years ago.
What is the penalty if S P Building Developments 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 S P Building Developments 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.