- Companies
- Civil engineering
- Lowestoft
- B Mayfield Limited
B Mayfield Limited
- Company number
- 06972561
- Incorporated
- 25 Jul 200917 years trading
- Registered office
- Lothing House 7 Quay View Business Park, Barnards Way, Lowestoft, Suffolk, NR32 2HD
- Nature of business
- Construction of other civil engineering projects n.e.c.
B Mayfield Limited is a 17-year-old private limited company registered in Lowestoft, company number 06972561, one of 33 civil engineering contractors in Lowestoft. Companies House shows its accounts as overdue: they were due on 30 September 2026.
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 £20K (-906.8%) on the year before, to -£18K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £4,235 against £9,058 owed within a year: 0.5 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2024 | -£18K | £0 | £4,235 | £9,058 | 2 |
| 31 Jul 2023 | £2,195 | £12K | £21K | £7,873 | 2 |
| 31 Jul 2022 | £77K | £34K | £398K | £298K | 7 |
| 31 Jul 2021 | -£86K | £8,007 | £676K | £728K | 9 |
| 31 Jul 2020 | -£96K | £6,929 | £364K | £434K | 9 |
| 31 Jul 2019 | £38K | £32K | £78K | £43K | 6 |
| 31 Jul 2018 | £12K | £11K | £37K | £26K | 5 |
| 31 Jul 2017 | £12K | £21K | £42K | £31K | 7 |
| 31 Jul 2016 | £7,625 | £37K | £90K | £82K | |
| 31 Jul 2015 | £215 | £17K | £33K | £36K |
Where B Mayfield Limited is registered
The registered office is in Lowestoft (NR32), in the East Suffolk local authority area, East of England. Show NR32 2HD on a map.
Other trade companies in NR32
- Ezra Access Solutions LtdScaffolders
- SLC Plumbing LtdPlumbers and heating engineers
- Yare Developments LimitedProperty developers
- RLB Cleaning and Maintenance LtdFacilities management
- Tech Sparrow LtdMachinery repair and installation
- A J Knights LtdProperty developers
- Cool Beans Air LtdPlumbers and heating engineers
- HR Electrical (East Anglia) LtdElectricians
Shared registered office
42 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if B Mayfield Limited files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 06972561
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 July 2009 (17 years ago)
- Registered office
- Lothing House 7 Quay View Business Park, Barnards Way, Lowestoft, Suffolk, NR32 2HD
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2024
- Last confirmation statement
- 18 October 2025
- Previous names
- Mayfield and Hammersley Limited (until 9 Dec 2019)
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 Lowestoft
Other active civil engineering contractors registered in Lowestoft.
- C. P. Oldman Builder Limited2004
- C.C.A Services International Limited2017
- Conservatory Bases Direct Limited2001
- D.J. Trower Limited1982
- Earthreach UK & Europe Limited2019
- Engineer Christopher Clark Ltd2020
- Gerald Carter Ltd2016
- Grants Groundworks & Construction Ltd2021
All civil engineering contractors in Lowestoft · All trades in Lowestoft · Civil engineering across the UK
Frequently asked questions
When are B Mayfield Limited's accounts due?
B Mayfield Limited's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is B Mayfield Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 July 2025, due by 31 July 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is B Mayfield Limited still trading?
B Mayfield Limited is listed as active on the Companies House register (checked 13 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 B Mayfield Limited do?
B Mayfield Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is B Mayfield Limited?
B Mayfield Limited was incorporated on 25 July 2009, 17 years ago.
What is the penalty if B Mayfield 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 B Mayfield Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.