Mostly yes, with the old bit fenced off. Seventeen listed buildings sit in or around the village. One conservation area covers the historic core. Most of the village is late-twentieth-century estate housing. If your home was built in the 1990s, the planning portal is on your side.
The heritage net here is small and targeted. Seventeen listings in total: one entry at the top of the scale at Grade One, and sixteen at Grade Two. Listing matters because it is a legal status, not a planning policy. Any change to a listed building, inside or out, that affects its character of historic or architectural interest needs listed-building consent in addition to whatever planning permission would be required. That can range from re-pointing a wall in the wrong mortar mix to ripping out a Victorian fireplace. The penalties for doing it without consent are real and personal rather than corporate. Almost none of the village's typical housing stock is listed, however, because the listings cluster on the church and the older buildings near it rather than on the modern estate streets.
The conservation area is a single designation covering the historic core of the village, named Tangmere itself. Living inside a conservation area does not freeze a house in place, but it adds a layer of consent for things that would normally be permitted development. Demolition, certain extensions, changes to windows and doors in some cases, removal of mature trees, and even some satellite-dish installations can trigger an application or a notification that would not apply outside the line on the map. A house just inside the boundary is in a different planning regime from a house just outside it. The boundary is a planning-map decision rather than a visual one, so the only reliable test is to look it up on the council's portal for the specific address before any work is committed to.
Practically, the picture for most Tangmere homeowners is straightforward. The bulk of the housing stock is the late-twentieth-century estate-style housing built between 1983 and 2002, plus a more recent layer from 2003 onwards. Those homes are mostly outside the conservation area and not listed. For them, permitted development rights cover the usual single-storey rear extension, loft conversion, outbuilding and porch territory without a full planning application, subject to the size and proximity limits that the council will confirm against any specific address. Larger extensions, anything close to a boundary, or any change to the front of the house typically still needs a household planning application. None of that is Tangmere-specific. Inside the conservation area or attached to a listed building, the calculus changes and the consents stack up quickly.
Above-average freedom to alter your home is the honest verdict. The heritage constraints are real, but they apply to a small share of the village's housing stock, and most owners are dealing with the same permitted-development rulebook that operates everywhere else in England.