- Companies
- Civil engineering
- Gerrards Cross
- Chalfont Construction Limited
Chalfont Construction Limited
- Company number
- 10596333
- Incorporated
- 2 Feb 20179 years trading
- Registered office
- 5 Jupiter Suite, 30A Packhorse Road, Gerrards Cross, Buckinghamshire, SL9 7DA
- Nature of business
- Construction of other civil engineering projects n.e.c.
Chalfont Construction Limited is a 9-year-old private limited company registered in Gerrards Cross, company number 10596333, one of 5 civil engineering contractors in Gerrards Cross. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £213K on the year before, to £197K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £279K against £117K owed within a year: 2.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £197K | £42K | £279K | £117K | 1 |
| 29 Feb 2024 | -£17K | £2,698 | £18K | £77K | 1 |
| 28 Feb 2024 | -£17K | £2,698 | £18K | £77K | 1 |
| 28 Feb 2023 | £17K | £14K | £51K | £93K | 1 |
| 28 Feb 2022 | £2,968 | £1,468 | £12K | £42K | 1 |
| 28 Feb 2021 | -£526 | £1,624 | £3,551 | £26K | 1 |
| 29 Feb 2020 | £13K | £8,648 | £8,648 | £23K | 1 |
| 28 Feb 2020 | £13K | £8,648 | £23K | 1 | |
| 28 Feb 2019 | £2,532 | £11K | £28K | ||
| 28 Feb 2018 | £12K | £140 | £38K |
Public contracts won
Chalfont Construction Limited has one public sector contract award on record (2026). Source: Contracts Finder and Find a Tender award notices. For all of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| National Grid UK Limited | Civil Works within NGED Substations 132kV, 66kV, 33kV and 11kV Framework | Ceiling, not shown | 1 Oct 2026 |
Where Chalfont Construction Limited is registered
The registered office is in Gerrards Cross (SL9), in the Buckinghamshire local authority area, South East. Show SL9 7DA on a map.
Other trade companies in SL9
- Criss Design LtdPainters and decorators
- Lebrato Projects and Construction LtdProperty developers
- RS Rigging Services LtdSpecialist contractors
- Portstar Bristol LtdBuilders
- Budgetbuild UK LtdBuilders
- Azizi Motors LtdMotor traders
- Ashoak Group LimitedSpecialist contractors
- Hyper Cleaning Godalming LtdCleaning companies
What happens if Chalfont 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 10596333
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 February 2017 (9 years ago)
- Registered office
- 5 Jupiter Suite, 30A Packhorse Road, Gerrards Cross, Buckinghamshire, SL9 7DA
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 1 February 2026
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 Gerrards Cross
Other active civil engineering contractors registered in Gerrards Cross.
- Quietfield Limited2002
- Security Construction & Installation Services Ltd2024
- Vikoms Limited2021
- Aglish Construction Limited2009
All civil engineering contractors in Gerrards Cross · All trades in Gerrards Cross · Civil engineering across the UK
Frequently asked questions
When are Chalfont Construction Limited's accounts due?
Chalfont Construction Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Chalfont Construction Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Chalfont Construction Limited still trading?
Chalfont 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 Chalfont Construction Limited do?
Chalfont Construction Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Chalfont Construction Limited?
Chalfont Construction Limited was incorporated on 2 February 2017, 9 years ago.
Has Chalfont Construction Limited won public sector contracts?
Yes. Chalfont Construction Limited has one contract award from public bodies on Contracts Finder and Find a Tender, most recently from NATIONAL GRID UK LIMITED.
What is the penalty if Chalfont 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 Chalfont 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.