- Company number
- 07408635
- Incorporated
- 15 Oct 201015 years trading
- Registered office
- 12 Gatley Drive, Burpham, Guildford, Surrey, GU4 7JJ
- Nature of business
- Construction of domestic buildings
Castle Builders Ltd is a 15-year-old private limited company registered in Guildford, company number 07408635, one of 121 building contractors in Guildford. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £1,756 (+1.6%) on the year before, to £115K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £123K against £42K owed within a year: 3.0 times cover.
- 4 employees on average, up from 2 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £115K | £121K | £123K | £42K | 4 |
| 30 Nov 2024 | £113K | £150K | £55K | 2 | |
| 30 Nov 2023 | £142K | £170K | £65K | 2 | |
| 30 Nov 2022 | £109K | £120K | £31K | 2 | |
| 30 Nov 2021 | £140K | £157K | £51K | 2 | |
| 30 Nov 2020 | £134K | £171K | £72K | 3 | |
| 30 Nov 2019 | £126K | £143K | £61K | 5 | |
| 30 Nov 2018 | £86K | £126K | £65K | ||
| 30 Nov 2017 | £132K | £242K | £122K | ||
| 30 Nov 2016 | £21K | £122K | £189K | £181K |
Where Castle Builders Ltd is registered
The registered office is in Guildford (GU4), in the Guildford local authority area, South East. Show GU4 7JJ on a map.
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- Lewis Daniels Services LimitedCleaning companies
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What happens if Castle Builders Ltd 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 07408635
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 October 2010 (15 years ago)
- Registered office
- 12 Gatley Drive, Burpham, Guildford, Surrey, GU4 7JJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 30 September 2025
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 Guildford
Other active building contractors registered in Guildford.
- Cedarlarch Limited1982
- Chapel Field Ltd2019
- Chinthurst Construction Ltd2011
- Clemens & Tanner Ltd2015
- CMCD Construction Ltd2021
- Company 500 Limited2010
- Cranfold Construction Limited2018
- Cranleigh Builders Limited1980
All building contractors in Guildford · All trades in Guildford · Builders across the UK
Frequently asked questions
When are Castle Builders Ltd's accounts due?
Castle Builders Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Castle Builders Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Castle Builders Ltd still trading?
Castle Builders Ltd 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 Castle Builders Ltd do?
Castle Builders Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Castle Builders Ltd?
Castle Builders Ltd was incorporated on 15 October 2010, 15 years ago.
What is the penalty if Castle Builders Ltd 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 Castle Builders Ltd 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.