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Company profile · Builders
Simner Construction Limited
Simner Construction Limited is a 10-year-old private limited company registered in Leatherhead, company number 10132881, one of 49 building contractors in Leatherhead. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Simner Construction 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 £28K (+31.9%) on the year before, to £114K.
- Current assets of £131K against £29K owed within a year: 4.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £114K | £1,232 | £131K | £29K | 1 |
| 30 Apr 2024 | £87K | £126K | £126K | £62K | 1 |
| 30 Apr 2023 | £48K | £12K | £22K | £2,999 | 1 |
Where Simner Construction Limited is registered
The registered office is in Leatherhead (KT23), in the Mole Valley local authority area, South East. Show KT23 3LL on a map.
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What happens if Simner Construction 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 10132881
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 April 2016 (10 years ago)
- Registered office
- 66 the Park, Bookham, Leatherhead, Surrey, KT23 3LL
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 18 April 2026
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 Leatherhead
Other active building contractors registered in Leatherhead.
- SPBM Construction Limited2017
- Spence Brickwork Limited2015
- Stagers Limited1981
- Steve Howarth Ltd2026
- Stone and Stem Ltd2025
- Surrey Designs and Builds Ltd2019
- TNB Building Services Ltd2021
- Tunsgate Commercial Ltd2015
All building contractors in Leatherhead · All trades in Leatherhead · Builders across the UK
Frequently asked questions
When are Simner Construction Limited's accounts due?
Simner Construction Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Simner Construction Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Simner Construction Limited still trading?
Simner Construction 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 Simner Construction Limited do?
Simner Construction Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Simner Construction Limited?
Simner Construction Limited was incorporated on 19 April 2016, 10 years ago.
What is the penalty if Simner Construction 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 Simner Construction 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.