Backland Development
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Build a new home in your garden in Colwyn Bay

A new home in your Colwyn Bay garden can be built to sell, to let or for someone in the family, and the right design differs for each. A home for sale needs its own title, a structural warranty for buyers’ lenders and a layout with wide appeal. A family home might put level access or a shared garden gate first.

We talk that through at the start, because it changes the size, the specification and the legal set-up. From there we take the plot through design, planning, approvals and construction, handing over a finished home with its certificates and warranty documents.

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Timber-frame house under construction with scaffolding at the bottom of a back garden, seen from the patio
Planning authority
Conwy County Borough Council
Postcodes
LL28, LL29
Noon sun, 21 March
About 37°
Shadow from a 5 m eaves line
About 6.7 m
Planning plan
LDP
County
Clwyd

Before you decide in Colwyn Bay

Daylight is one of the first things Conwy County Borough Council will check on a garden house. At midday on 21 March the sun in Colwyn Bay stands roughly 37° above the horizon, so an eaves line about 5 m high casts a shadow of around 6.7 m. On 21 December the sun is only about 13° up and shadows stretch far longer.

That’s why the gap between your house and the new one, and the height of the new roof, are set by measurement rather than guesswork. A lower eaves line, a hipped roof or a single-storey section can make a real difference to the gardens either side.

Section showing noon sun and shadows in Colwyn Bay: about 37 degrees on 21 March and 13 degrees on 21 December21 m21 Mar, noon: sun 37°, shadow 6.7 m21 Dec, noon: sun 13°, shadow 21.2 mExistingNew home
Noon sun in Colwyn Bay on 21 March sits about 37° above the horizon, so a typical two-storey eaves line (about 5 m) throws a shadow of roughly 6.7 m. In December the sun is only about 13° up and shadows stretch much further. Drawn for a garden facing north, where it matters most.

The next steps, locally

If your Colwyn Bay plot already has planning permission, we begin by checking the approved drawings and conditions against the site. Some permissions need detailed design, discharge of conditions or a minor amendment before they can be built. We then prepare the technical drawings, arrange Building Regulations approval and the warranty, apply for utility connections and give you a written quote to build.

  1. Free plot appraisal

    We check the title plan, access, constraints and planning policy from our desk, talk the plot through with you, and visit if it looks viable. There’s no cost and no obligation.

  2. Survey and design

    A measured survey records levels, boundaries, trees and neighbouring windows. We then design a layout and house that suit the plot, the street and your budget, and decide whether pre-application advice is worth seeking.

  3. Written quote and build

    Once design and survey are complete you get a written quote. The build runs in stages — access and groundworks, foundations, frame and roof, fit-out and external works — with inspections at each key point.

  4. Handover

    You receive the completion certificate, warranty documents, Energy Performance Certificate, manuals and utility details, so the new home is ready to move into, let or put on the market.

Worth checking early

  • A build next door means months of noise, deliveries and contractors near your home; good planning reduces the disruption but doesn’t remove it.
  • You fund the build and carry the cost risk; ground conditions, sewer diversions or supply upgrades found later can move the price.
  • Your own garden gets smaller and the new home will be visible from your house, so screening and separation matter for both homes.

Your questions, answered for Colwyn Bay

Do you visit gardens in Colwyn Bay before giving advice?

We start with a desk review of the title plan, access, constraints and planning policy, then talk the plot through with you. If it looks viable, we arrange a site visit to see the access, levels, trees and neighbouring windows for ourselves. The appraisal is free and carries no obligation.

Can the new home in my Colwyn Bay garden connect to the main sewer?

Usually, yes, but the route and depth decide how easily. The new home needs its own foul connection, agreed with the water company, and gravity drainage is simplest where the sewer sits lower than the new floor. If it doesn’t, a pumped connection may be needed. Where a public sewer runs under your garden, a build-over agreement or diversion may also be required.

Can I build a house in my Colwyn Bay garden and then sell it?

Yes. You keep the land while the home is built, then sell the finished house. Before building starts, the plot should be given its own title through a transfer of part at HM Land Registry, and if your house is mortgaged your lender must agree to release the plot. Selling a home you’ve built can change your tax position, so take advice from a tax adviser first.

Do new homes in Colwyn Bay need a structural warranty?

If the house will ever be sold or mortgaged, in practice yes. Mortgage lenders usually expect a 10-year structural warranty on a new home, though some accept an architect’s or surveyor’s certificate, and a warranty provider inspects the work at stages during the build, so it has to be in place before construction starts. Building control approval is separate and also required; a buyer’s solicitor will ask for both.

Other options in Colwyn Bay

Build in your garden near Colwyn Bay

Find out what your garden could become

Free garden plot appraisal. No cost, no obligation, and a straight answer if it won’t work.

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