Company profile · Builders
Necton Management Limited
Necton Management Limited is a 57-year-old private limited company registered in Swaffham, company number 00943303, one of 25 building contractors in Swaffham. 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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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Necton Management Limited over the years
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 £39K (+1.2%) on the year before, to £3.3M.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £3.4M against £123K owed within a year: more than 10 times cover.
- 13 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £3.3M | £233K | £3.4M | £123K | 13 |
| 31 Mar 2024 | £3.3M | £543K | £3.4M | £162K | 13 |
| 31 Mar 2023 | £3.4M | £818K | £3.5M | £227K | 13 |
| 31 Mar 2022 | £3.1M | £695K | £3.2M | £180K | 13 |
| 31 Mar 2021 | £3.1M | £800K | £3.2M | £138K | 15 |
Where Necton Management Limited is registered
The registered office is in Swaffham (PE37), in the Breckland local authority area, East of England. Show PE37 8DN on a map.
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- Codo Leisure LtdMotor traders
- E Briston Plumbing and Heating LimitedPlumbers and heating engineers
- Chimney Sweep Norfolk LtdCleaning companies
- KT Civil & Safety LtdCivil engineering
- Maple Aquatics LtdLandscapers and gardeners
- Eastern Contracts LtdElectricians
Also registered at this address
1 other company uses the same registered office as Necton Management Limited.
- R & R Properties and Renovations LimitedProperty developers
What happens if Necton Management 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
- 00943303
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 November 1968 (57 years ago)
- Registered office
- Oak Farm, Necton, Swaffham, Norfolk, PE37 8DN
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 28 June 2026
- Charges (mortgages)
- 1 outstanding of 2 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Swaffham
Other active building contractors registered in Swaffham.
- NGR Construction Limited2022
- Nion Holdings Ltd2024
- Ojs Home Care Ltd2026
- R & I Builders Ltd.1996
- R.C. Trading Ltd1997
- Rowan Estates (Norfolk) Ltd2016
- Rudd Build Limited2010
- Tim Curtis Building Services Limited2013
All building contractors in Swaffham · All trades in Swaffham · Builders across the UK
Frequently asked questions
When are Necton Management Limited's accounts due?
Necton Management Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Necton Management 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 Necton Management Limited still trading?
Necton Management 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 Necton Management Limited do?
Necton Management Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Necton Management Limited?
Necton Management Limited was incorporated on 28 November 1968, 57 years ago.
What is the penalty if Necton Management 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 Necton Management 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.