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BETTESWORTHConstruction

New-build handover defects: a practical UK snagging and complaints guide

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To fix defects found after a new-build handover, create a dated, itemised snagging record, report every issue in writing through the developer’s after-sales process, and escalate under the warranty or consumer code that actually covers your home. Do not assume that a two-year deadline, an ombudsman route or warranty protection applies universally: your reservation date, legal-completion date, developer registration and policy documents matter.

This guide explains how to document defects, deal with common early problems safely, chase ineffective repairs and choose the right external route for a UK new home.

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What counts as a defect after a new-build handover?

A snag is a finishing or other issue that needs putting right after you move in. It can be minor, such as damaged paintwork, a gap or a sticking door, or it can indicate a more significant failure involving water, heating, electrics, drainage or structure. The New Homes Quality Board (NHQB) distinguishes ordinary snags from major concerns in its buyer guidance.

Small cracks, gaps and condensation can appear while a newly built home settles and dries out, according to the Consumer Code for Home Builders buyer pack. That is not a diagnosis or permission to ignore a worsening problem. Describe what you can see, follow any written ventilation or settling guidance, and report the concern so the developer can assess it.

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There is no single repair method for every defect. A homeowner who fills a crack, alters wiring, dismantles a fitting or redecorates over damage may make the cause harder to establish or affect a warranty or complaint. Preserve the evidence and ask the developer or warranty provider what, if anything, you should do before remedial work.

What should I do first when I find a defect?

Start a defect file before attempting repairs. A clear record makes it easier for the developer, an inspector or a dispute service to understand what happened and whether a repair solved it.

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  1. Make one entry per issue. Record the room, elevation or external location; what is damaged, incomplete, leaking, noisy or not working; when you first noticed it; and whether it is getting worse.
  2. Take useful photographs. Include a wide view showing location and close-ups showing the detail. Add a ruler or other scale where size matters. Keep the original files and note the date.
  3. Keep supporting information. Save the handover list, reservation and completion documents, warranty certificate, consumer-code information, manuals, inspection reports and all messages.
  4. Use a communications log. For every call, write the date, person, promised action and deadline. Confirm important conversations by email.
  5. Separate urgent risks. Mark active leaks, exposed electrical parts, loss of heating in cold conditions, unsafe access, suspected structural movement or other safety concerns as urgent rather than waiting for a routine snagging visit.

A simple spreadsheet or home maintenance log book can organise descriptions, dates, photographs, appointments and outstanding work. It is an optional record-keeping aid, not a required product or a repair solution.

How do I report snags to the developer?

Use the after-sales contact method supplied at handover and submit your list in writing. The NHQB says: “First, contact your developer and follow their after-sales complaints process to raise your concern.” Its code also says buyers should identify and report snags and defects as soon as possible so the developer can meet its responsibilities.

  1. Find the developer’s written after-sales procedure, portal or dedicated email address.
  2. Send an itemised list with photographs, dates and a clear request for inspection or repair.
  3. Ask the developer to acknowledge receipt and confirm the person responsible.
  4. Request a proposed inspection date, the intended remedy and a target completion date.
  5. Keep a copy of everything, including portal submissions and attachments.

Do not rely on a site conversation alone. If a sales adviser or foreperson agrees that something will be corrected, record that agreement in writing. Report newly discovered issues promptly even if an earlier list is already being handled.

How should I handle common defects?

Cracks, gaps and movement

Describe the crack’s position, length, width, direction and whether it crosses a junction between materials. Photograph it with a scale and record changes over time. New-build drying and settlement can produce small cracks or gaps, but a rapidly widening crack, distortion around openings, sticking doors, water ingress or signs of movement deserves prompt escalation. Do not widen, fill or paint over it before the developer or relevant warranty body has assessed it.

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Condensation, damp and mould

Record where moisture appears, when it occurs, room temperature or ventilation conditions if known, and any associated leak or staining. Follow the home’s written instructions about heating and ventilation while awaiting assessment, but do not treat persistent or worsening moisture as automatically routine. A developer should investigate whether the cause is drying, ventilation, plumbing, roof or external water ingress.

Doors, windows and finishes

List sticking, failed locks, damaged seals, draughts, scratched glass, uneven paint, incomplete trim or damaged flooring. Note whether the issue prevents secure locking, causes water entry or creates a trip hazard. Avoid forcing a door, replacing hardware or making cosmetic repairs that could conceal the original condition unless the developer or warranty instructions permit it.

Plumbing, heating and hot water

Report leaks, low pressure, unusual noise, incomplete controls, cold radiators, unreliable hot water or fixtures that do not drain correctly. State when the problem occurs and whether isolating a supply has stopped damage. For an active leak, use the property’s isolation controls if you can do so safely, protect belongings and notify the developer urgently; do not dismantle the system.

Electrical and fire-safety concerns

Record dead sockets, flickering lights, tripping circuits, missing covers, alarms that do not operate or other signs of unsafe installation. Do not remove covers or attempt electrical work. If there is immediate danger, stop using the affected fitting and contact the developer’s emergency route and an appropriately qualified emergency service.

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Roof, external walls, drainage and grounds

Photograph standing water, blocked or overflowing gutters, damaged render, loose paving, failed fences, ponding near the building or drainage that backs up. Note weather conditions and whether the issue affects access or neighbouring land. External defects can be seasonal, so dated observations after rain may help establish a pattern.

Suspected structural or serious safety problems

Tell the developer and the relevant warranty body promptly if you suspect a structural issue or an immediate safety risk. State the observable facts rather than declaring a technical diagnosis. Ask for written confirmation of the inspection and any interim safety measures. If the home is unsafe, obtain independent safety advice and follow emergency guidance while the complaint is investigated.

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What if the developer’s repair is incomplete or poor?

Inspect the work against your original entry and record what remains wrong. Photograph unfinished areas, damage caused during access, failed materials or a recurrence. Give the developer a written list of outstanding items and request a further date.

Ask for a single schedule showing each issue, proposed remedy, responsible contractor and status. Be specific about access arrangements and protect furniture, pets and vulnerable occupants. Do not sign a statement that all defects are resolved if material items remain; if you sign an appointment sheet, make clear that attendance is not acceptance of the repair.

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If ordinary after-sales handling does not resolve the matter in a reasonable time, use the developer’s formal complaints procedure. Ask for the final written response, record the date it arrives and keep evidence that you followed the required steps. The Consumer Code buyer pack describes this formal-complaint stage.

Which warranty, code or ombudsman route applies?

External escalation is conditional. Before relying on a deadline or naming a forum, check your warranty certificate, the consumer code identified for the purchase, the developer’s registration and the reservation and activation dates that determine eligibility.

Route What it may address What to check first
Developer after-sales and formal complaint Snags, defects, incomplete work and service failures under the sales and after-sales process The developer’s written procedure, required evidence and response stages
Warranty provider Problems within the policy’s build-quality, defect or insurance cover Policy wording, notification rules, exclusions, dates and whether the builder must act first
New Homes Ombudsman Service Eligible complaints about a registered developer under the NHQB framework Current developer registration and the home’s reservation, activation and eligibility dates
Consumer Code dispute resolution Disputes under the particular approved consumer code Which code covers the purchase, prior complaint steps and the scheme’s referral deadline

These are not interchangeable guarantees. A warranty claim concerns policy cover; a code complaint concerns obligations under that code; an ombudsman service has its own membership and eligibility rules. The NHBC explains that buyers should be told which consumer code applies, and its homeowner guidance describes the available code schemes.

What are the important time limits?

Time limits are scheme-specific. The Consumer Code buyer pack says that, under that Code, the builder remains responsible for snags, defects or faulty work notified during the two years after legal completion. That statement does not create a universal two-year rule for every new home.

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For NHBC Buildmark, NHBC says the builder, rather than NHBC, is responsible during the first two years for problems arising from failure to meet NHBC requirements. Later protection depends on the policy’s terms and the circumstances covered. Buildmark is described as 10-year warranty and insurance cover, but that headline does not mean every defect is covered for 10 years.

For the Consumer Code for Home Builders independent dispute-resolution scheme, the approved scheme summary describes a referral window beginning 56 calendar days after first raising the complaint and ending no later than 12 months after the builder’s final response. Confirm the current rule and your eligibility before submitting a referral. Keep proof of the first complaint date and the final response date.

How do I make a formal complaint?

  1. Complete the developer stage. Follow the published after-sales process and allow the stated or reasonable time for inspection and remedial work.
  2. Write a concise complaint. Identify each unresolved item, the dates reported, the response received, the remedy still required and the outcome you seek.
  3. Attach evidence. Include the defect schedule, photographs, appointment records, invoices for necessary temporary protection and relevant warranty or code documents.
  4. Ask for a final response. Request a written decision that addresses every item and explains any refusal or proposed alternative.
  5. Check the external route immediately. Compare the final-response date with the applicable code or warranty deadline; do not assume that asking the developer informally pauses a time limit.

Use factual language. Explain the effect of the defect, such as water entering a bedroom or a door failing to lock, without asserting a structural or legal conclusion you cannot support.

Should I pay for a professional snagging inspection?

A paid inspection is optional. The Consumer Code buyer pack says a homeowner may employ a snagging company and recommends choosing one recognised by a professional trade body, comparing more than one quote and checking whether the builder imposes reporting time limits for certain minor imperfections.

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An inspection can be useful when you cannot assess the whole property, when defects are recurring or when you need a structured report. It does not replace notifying the developer, and a private inspector cannot guarantee that a warranty provider or dispute service will accept every finding. Ask what areas are included, how photographs and measurements are presented, whether a follow-up visit is available and whether the timing fits any builder reporting process.

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What should I avoid doing?

  • Do not wait for a routine visit to report an active leak, safety concern or suspected serious movement.
  • Do not rely on verbal promises; confirm them by email.
  • Do not assume that every defect is covered by the same warranty period.
  • Do not confuse a consumer-code complaint with a warranty claim or ombudsman referral.
  • Do not carry out work that could remove evidence, create a safety risk or breach policy conditions without checking first.
  • Do not discard damaged components, packaging or contractor notes until the issue is resolved.

A practical defect-log template

Copy this structure for each item:

  • Reference: a unique number.
  • Location: room, wall, elevation or outside area.
  • Description: observable condition and its effect.
  • First noticed: date and circumstances.
  • Evidence: photograph filenames, video, meter or appointment record.
  • Safety or urgency: active leak, security issue, electrical concern or other risk.
  • Reported: date, channel and recipient.
  • Developer response: inspection, proposed remedy and promised date.
  • Outcome: repaired, partly repaired, recurring or unresolved, with a follow-up date.

At the end of each inspection or repair visit, update the log while events are fresh. This creates the dated written record recommended in the buyer guidance and gives any later reviewer a coherent chronology.

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What is the shortest reliable route to a resolution?

Report promptly, preserve evidence, use the developer’s written process, and escalate in writing when the response is inadequate. At the same time, identify the exact warranty and consumer code for the property and diarise every scheme deadline. That combination gives the builder a fair opportunity to correct the work while protecting your ability to use the appropriate external route if it does not.

Frequently Asked Questions

How long should a new-build developer take to repair a snag?

There is no single UK timetable covering every developer and defect. Ask for a written inspection and completion date, then judge delay against the developer’s procedure, the seriousness of the problem and what is reasonable in the circumstances; record missed dates and escalate through the formal complaint process.

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Can I report snags after I have moved into the house?

Yes. Buyers commonly identify finishing and other issues after occupation, and the guidance recommends reporting them as soon as possible. Check whether your builder sets a reporting window for particular minor imperfections and notify issues even if the initial handover list has already closed.

What if the developer says a crack is just settlement?

Ask the developer to record its assessment and explain what monitoring or repair is proposed. Photograph and date the crack, report any change, and seek prompt review if it widens, is accompanied by distortion, water ingress or sticking openings; the label alone is not a technical diagnosis.

Can I go straight to the New Homes Ombudsman?

Only if the developer and home meet the NHQB scheme’s current registration and eligibility rules. You will generally need to follow the developer’s after-sales and complaints process first, so check the NHQB requirements and keep evidence of your complaint dates before making a referral.

Does a 10-year new-build warranty cover every defect?

No. A 10-year product such as NHBC Buildmark has defined stages, conditions and exclusions. NHBC describes builder responsibility for specified problems in the first two years, while later protection depends on the policy wording and the covered circumstances; read your own certificate rather than relying on the headline duration.

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