Block Management in Nailsea
Radon is elevated everywhere here: no square near Nailsea falls below class 4.
In Nailsea we offer RMCs, RTM companies and freeholders block, estate and leasehold management with the compliance record at its centre. The town centre is radon class 4 and twenty of the twenty five surrounding squares are class 5, leaving no part where the question can be set aside. Flats are scarce at 9.4 per cent of households, and three address-specific Article 4 directions include one on Mayfair Avenue.
What We Would Put First for a Block in Nailsea
Commission Radon Measurement First
The centre is class 4 and twenty of twenty five surrounding squares are class 5, at 10 to 30 per cent of homes. We would recommend radon measurement in ground-floor communal areas and any enclosed plant space, and keep results in the compliance record.
ComplianceCheck the Address Against Each Direction
The 13 October 1994 direction covers 11 to 15 Mayfair Avenue and removes rights over fenestration, roofing and porches. Before specifying window or roof works we would check the block's exact address against all three Nailsea directions.
ConsentsSurvey Post-War Blocks Before Setting Reserves
Nailsea's flats are almost all purpose-built post-war blocks, with just 35 conversion households town-wide. We would base the reserve fund plan on a condition survey of the block's roof, windows and services rather than on assumption.
Reserve fundsInspect Drainage on East to West Flow Routes
The council identifies surface water flow routes running east to west across the urban area as the real in-town flood mechanism. We would add gullies and drains to scheduled inspections and record any ponding.
InspectionsManaging a Block in Nailsea at a Glance
- Local authority
- North Somerset Council
- Authority type
- Unitary
- Building control
- North Somerset Council Building Control
- County
- Somerset
- Fire and rescue service
- Avon Fire and Rescue Service
- Water and sewerage
- Bristol Water for supply and Wessex Water for sewerage
- From our Plymouth office
- About 95 miles in a straight line
- Setting
- Inland
What It Costs to Move a Block in Nailsea to Us
Management is a fixed annual fee, quoted for the building and agreed before we start. We take no commission and no third-party incentives, so the fee is the whole of what we earn from the building. Taking a block on carries a one-off start-up fee, set by size:
| Block size | Fee |
|---|---|
| Start-up fee, up to 10 units | £420.00 |
| Start-up fee, up to 25 units | £540.00 |
| Start-up fee, 50 units and above | £660.00 |
Taken from our published Additional Services price list, PBM Form #01-27 rev.6, effective 23 June 2025. All fees quoted are inclusive of VAT. See the full price list and how a handover works.
No Square Near Nailsea Falls Below Class 4
The town centre returns class 4, a maximum radon potential of 5 to 10 per cent of homes at or above the action level, with the advice that radon measurement is advised. The surrounding squares read higher. Across a four kilometre box, twenty of the twenty five squares are class 5, at 10 to 30 per cent, and the remaining five are class 4. No square anywhere near Nailsea falls below class 4, so there is no part of the town where the question can be set aside. For a block, radon measurement in ground-floor communal areas should be part of the compliance programme.
Flats Are Scarce, 9.4 Per Cent and Mostly Post-War
Across its four wards, Nailsea had 6,906 households at the 2021 Census, with 649 in flats, 9.4 per cent. That compares with a Somerset average of 12.7 and an England average of 22.2. Conversions are close to non-existent: just 35 households town-wide across converted and shared houses and other converted buildings combined. What flats there are are purpose-built post-war blocks. Nailsea Golden Valley holds five purpose-built flats among 1,772 households, 0.3 per cent, and is effectively a houses-only ward. The four wards are evenly sized, so these figures describe the town well. For post-war blocks, roofs, windows and services are the main items to plan reserves around.

Surface Water, Not Rivers, Is the In-Town Flood Route
Inland, and not covered by any Environment Agency flood warning area at all. The only designation reaching it is the broad North Somerset rivers alert covering the Congresbury Yeo, Cheddar Yeo and Axe. The council's assessment puts the town and village in Flood Zone 1, while noting that they are surrounded by land in Flood Zones 2 and 3. It identifies surface water flow routes running east to west across the urban area as the real in-town mechanism. The watercourses are the Land Yeo and the River Kenn. The council states that areas around Nailsea are at risk should the Barrow Gurney reservoirs fail. The town itself, including all residential areas, is not within the zone predicted to flood. Nailsea Moor is 2.5 metres below some of the highest tides that happen each year, so the land around the town depends on tidal defences even though the town does not. Nailsea Moor sits inside the North Somerset Levels Internal Drainage Board district, while the town centre sits outside it. For a block, surface water is the risk to manage, through gully and drain maintenance and an accurate insurance disclosure.
One Conservation Area, Kingshill, with No Appraisal Published
One conservation area, Nailsea Kingshill, designated 12 March 1981, and no appraisal has been published for it. It covers a small part of the town, so most Nailsea addresses are outside any designation and external works are ordinary permitted development questions rather than heritage consent questions.
51 entries on the National Heritage List fall inside the parish, two Grade I and one Grade II*. The Grade I buildings are Nailsea Court and the Church of the Holy Trinity, and the Grade II* is the former Hannah More Infants School. The parish also has two scheduled monuments, the Middle Engine Pit and the Nailsea Glassworks, which are the surviving evidence of the industry the town grew around. For a block beside any of these, works affecting their setting should be checked for consent first.

Three Article 4 Directions, Each Tied to Specific Addresses
Three Article 4 directions apply, each tied to specific land. The oldest, of 17 January 1968, covers land at the Churchmead Estate and removes rights over means of enclosure and forecourts. A second, of 24 January 1974, covers land at Elm Farm and removes agricultural building rights. The third, of 13 October 1994, is the one most likely to affect a residential block. It covers 11 to 15 Mayfair Avenue and removes rights over fenestration, roofing and porches. None is tied to a conservation area, so the check before window, roof or boundary works is a matter of the block's exact street address.
No Neighbourhood Plan, and a Local Plan Under Examination
Decided under the same North Somerset development plan as the rest of the district. The Core Strategy was adopted 10 April 2012, with remitted policies re-adopted in 2015 and January 2017. The Development Management Policies were adopted 19 July 2016 and the Site Allocations Plan 10 April 2018. An emerging Local Plan to 2041 was submitted for examination in April 2026. There is no neighbourhood plan and no neighbourhood area has been designated. For a block, any proposal for alterations or new flats is judged against the district plan alone.
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Nailsea Questions
Is Nailsea at Risk If the Barrow Gurney Reservoirs Fail?
The council states that areas around Nailsea are at risk should the Barrow Gurney reservoirs fail. The town itself, including all residential areas, is not within the zone predicted to flood. The town is in Flood Zone 1, though surrounded by land in Zones 2 and 3, and no Environment Agency warning area covers Nailsea.
Which Article 4 Directions Apply in Nailsea?
Three, each tied to specific land. The 17 January 1968 direction covers the Churchmead Estate and removes rights over means of enclosure and forecourts. The 24 January 1974 direction covers Elm Farm and agricultural building rights. The 13 October 1994 direction covers 11 to 15 Mayfair Avenue and removes rights over fenestration, roofing and porches.
Does Nailsea Have a Neighbourhood Plan?
No. No neighbourhood area has been designated, so Nailsea is decided under the North Somerset development plan. That means the Core Strategy adopted 10 April 2012, the Development Management Policies of 19 July 2016 and the Site Allocations Plan of 10 April 2018. An emerging Local Plan to 2041 was submitted for examination in April 2026.
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