- Companies
- Installers
- Wellingborough
- Blenheim Developments Ltd
Blenheim Developments Ltd
- Company number
- 08204301
- Incorporated
- 6 Sep 201214 years trading
- Registered office
- 36 Holbush Way, Irthlingborough, Wellingborough, Northants, NN9 5EP
- Nature of business
- Other construction installation
Blenheim Developments Ltd is a 14-year-old private limited company registered in Wellingborough, company number 08204301, one of 43 installation companies (insulation, lifts, shutters and similar) in Wellingborough. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Blenheim Developments LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £44K (-48.8%) on the year before, to £46K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £43K against £737 owed within a year: more than 10 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £46K | £2,027 | £43K | £737 | 2 |
| 30 Sep 2024 | £90K | £39K | £103K | £19K | 2 |
| 30 Sep 2023 | £52K | £4,205 | £66K | £22K | 2 |
| 30 Sep 2022 | £66K | £25K | £102K | £46K | 2 |
| 30 Sep 2021 | £66K | £17K | £34K | £56K | 2 |
| 30 Sep 2020 | £84K | £28K | £45K | £53K | 2 |
| 30 Sep 2019 | £139K | £29K | £46K | £4,959 | 2 |
| 30 Sep 2018 | £224K | £203K | £230K | £36K | |
| 30 Sep 2017 | £158K | £156K | £149K | £29K | |
| 30 Sep 2016 | £77K | £77K | £90K | £29K |
Where Blenheim Developments Ltd is registered
The registered office is in Wellingborough (NN9), in the North Northamptonshire local authority area, East Midlands. Show NN9 5EP on a map.
Other trade companies in NN9
- Tevera LtdMechanics and garages
- GWD Construction Group LtdBuilders
- Akusa LtdCleaning companies
- DCX Power Solutions LimitedElectricians
- Silva Swann Sealants LimitedRoofers
- Elitte Detailing LtdMotor traders
- CC Carpentry & Maintenance LimitedProperty developers
- Vielec International Investments LtdMachinery repair and installation
What happens if Blenheim Developments 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
- 08204301
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 September 2012 (14 years ago)
- Registered office
- 36 Holbush Way, Irthlingborough, Wellingborough, Northants, NN9 5EP
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 19 September 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Wellingborough
Other active installation companies (insulation, lifts, shutters and similar) registered in Wellingborough.
- Buildplumb Limited2025
- Construction Services and Management Ltd2024
- Covac Construction Ltd2025
- Cunnington Services Ltd2024
- DB Stoves & Services Limited2026
- Diamond Conservatories, Windows and Doors (Kettering) Ltd2010
- DLW Property Management Limited2022
- Easy Screedy Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Wellingborough · All trades in Wellingborough · Installers across the UK
Frequently asked questions
When are Blenheim Developments Ltd's accounts due?
Blenheim Developments Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Blenheim Developments 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 Blenheim Developments Ltd still trading?
Blenheim Developments 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 Blenheim Developments Ltd do?
Blenheim Developments Ltd is registered under Other construction installation (SIC 43290).
How old is Blenheim Developments Ltd?
Blenheim Developments Ltd was incorporated on 6 September 2012, 14 years ago.
What is the penalty if Blenheim Developments 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 Blenheim Developments 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.