- Companies
- Civil engineering
- Northampton
- Haddon Developments Limited
Haddon Developments Limited
- Company number
- 01914531
- Incorporated
- 17 May 198541 years trading
- Registered office
- Eagle House, 28 Billing Road, Northampton, NN1 5AJ
- Nature of business
- Construction of other civil engineering projects n.e.c.
Haddon Developments Limited is a 41-year-old private limited company registered in Northampton, company number 01914531, one of 152 civil engineering contractors in Northampton. 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 £99K (+4.7%) on the year before, to £2.2M.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- 1 employee 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £2.2M | £663K | £181K | 1 | |
| 31 Mar 2024 | £2.1M | £1.1M | £2.1M | £125K | 1 |
| 31 Mar 2023 | £2.1M | £1.1M | £2M | £109K | 1 |
| 31 Mar 2022 | £2M | £1M | £2M | £72K | 1 |
| 31 Mar 2021 | £1.2M | £965K | £1.9M | £848K | 1 |
| 31 Mar 2020 | £1.1M | £114K | £1.1M | £48K | 1 |
| 31 Mar 2019 | £1.1M | £87K | £1M | £40K | |
| 31 Mar 2018 | £1.1M | £282K | £1.2M | £277K | |
| 31 Mar 2017 | £1.1M | £266K | £1.2M | £291K | 2 |
| 31 Mar 2016 | £983K | £229K | £1.2M | £290K |
Where Haddon Developments Limited is registered
The registered office is in Northampton (NN1), in the West Northamptonshire local authority area, East Midlands. Show NN1 5AJ on a map.
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Also registered at this address
16 other companies use the same registered office as Haddon Developments Limited.
- Abington Roofing LimitedRoofers
- Click Electrical Contractors LtdElectricians
- Daventry Partitioning Services LimitedInstallers
- Itemoffice LimitedProperty developers
- JMB Construction Solutions LtdCivil engineering
- K.I.M. Developments LimitedBuilders
- Knight Engine Services LtdMechanics and garages
- Max Marshall Racing LtdMotor traders
- MBB LimitedMotor traders
- MSS Roofing Services LimitedRoofers
- S & P Projects and Developments LimitedBuilders
- Shire Mobility LimitedMotor traders
- Spencer House Properties LimitedProperty developers
- Stonewall Developments Northampton LtdBuilders
- Tiffield Properties LimitedProperty developers
- Wavendon Properties LimitedProperty developers
What happens if Haddon 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 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
- 01914531
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 May 1985 (41 years ago)
- Registered office
- Eagle House, 28 Billing Road, Northampton, NN1 5AJ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 14 November 2025
- Charges (mortgages)
- 1 outstanding of 2 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Northampton
Other active civil engineering contractors registered in Northampton.
- Harper Services Limited2008
- HBC Connect Ltd2011
- HD Hire Ltd2022
- Hydracoat Ltd2025
- Indi Line Group Limited2020
- Infinity Water Treatment Ltd2018
- J. Cooke Roofing Ltd2002
- J.M. Kamau Limited2014
All civil engineering contractors in Northampton · All trades in Northampton · Civil engineering across the UK
Frequently asked questions
When are Haddon Developments Limited's accounts due?
Haddon Developments Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Haddon Developments Limited'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 Haddon Developments Limited still trading?
Haddon 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 Haddon Developments Limited do?
Haddon Developments Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Haddon Developments Limited?
Haddon Developments Limited was incorporated on 17 May 1985, 41 years ago.
What is the penalty if Haddon 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 Haddon 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.